CN101158213B - Exterior outer-insulating system construction method for using direct-compress EPS inorganic clad plate - Google Patents
Exterior outer-insulating system construction method for using direct-compress EPS inorganic clad plate Download PDFInfo
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- CN101158213B CN101158213B CN2007102024602A CN200710202460A CN101158213B CN 101158213 B CN101158213 B CN 101158213B CN 2007102024602 A CN2007102024602 A CN 2007102024602A CN 200710202460 A CN200710202460 A CN 200710202460A CN 101158213 B CN101158213 B CN 101158213B
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Abstract
The invention discloses an external insulation system and a construction method of a straight compressing EPS inorganic composite plate. The external wall firstly pre-produces the straight compressingEPS inorganic composite plate or a straight compressing EPS inorganic composite decorative board in a factory and compresses an inorganic composite enhancement layer onto a single-side of an expandedEPS plate by using a mechanical method; the outer surfaces of a base course wall of a building all adopt the EPS inorganic composite plate which adheres to a leveling blanket through bonding sands; the slab joint is pointed by jointing material and the outside of the jointing material is sealed again by weather proofing sealant; and a finish is arranged at the lateral of the system. The inventionis characterized by the anti-crack, the good durability, the reliability and safety, the low cost and the fast construction.
Description
(1) technical field
The present invention relates to a kind of wall construction method of using insulating board for building.
(2) background technology
Energy-conserving and environment-protective are two big focus of the present industry high speed development of China, and building energy consumption accounts for 1/3rd of total energy consumption, is the most important thing of energy conservation.Under construction, the thermal losses of peripheral structure is very big, body of wall has accounted for very great share again in the peripheral structure, so the construction wall reform is an important step of energy-saving building technology with the development of body of wall power-saving technology, development External Walls Heating Insulation and high performance energy-saving material are the main implementations of building energy conservation.
Wall thermal insulating is incubated and the external wall outer insulation dual mode exceptionally within the walls.
Exterior wall internal insulation is to add in the inside of external wall structure to do insulation layer, interior heat preservation construction speed is fast, and flexible operation can guarantee construction speed, it is longer to use the time, technology maturation, construction technology and examination criteria are fairly perfect, but interior insulation can take limited usable floor area, " heat bridge " phenomenon is difficult to solve, cause cracking easily and mildew occurs, also can influence resident's secondary decoration, and interior wall hangs and mounting article also destroys internal insulation structure easily.In technically unreasonable of insulation, determine it to be substituted by outer insulation.
External wall outer insulation is a kind of building thermal-insulation energy-saving technology of wideling popularize at present, and external wall outer insulation is compared with exterior wall internal insulation, and technology is reasonable, has obvious superiority.Use the heat insulating material of same specification, same size and performance, be incubated than interior high insulating effect outward.External wall outer insulation is not only applicable to newly-built building, and is applicable to the insulation transformation of aging blocks, and is applied widely, with high content of technology.Outer insulation is coated on the outside of agent structure, can protect agent structure, prolongs the life-span of building, has effectively reduced the heat bridge of building structure, has increased the space of building, has eliminated condensation simultaneously, has improved the comfort level of living.
As the insulation main material of external wall outer insulation, mainly contain five kinds at present.
First kind is expansion polyphenyl plate-EPS plate, and its advantage is the heat-insulating property excellence, the oxygen index (OI) height, and system elasticity is higher, and is widely applicable, low to basic level requirement, and outer facade moulding is easy.Belong to national sector standard and provincial standard suggesting material.
Second kind is adhesive polystyrene granule heat-insulating mortar-EPS particle mortar, and its advantage is an easy construction, is easy to grasp, and system does not have cavity, and fireproof performance is good.Its shortcoming is that heat-insulating property is general, poor dimensional stability, and thickness is wayward, and proportioning is controlled easily be full of cracks under the bad situation with whitewashing, and outer facade moulding cost is higher.Do not recommend for some provincial standard.
The third is extruded polystyrene board-XPS plate, and its advantage is that the extruded polystyrene board coefficient of thermal conductivity is little, and system stiffness is higher, and desired thickness is less.Its shortcoming is that gas permeability is poor, is easy to buckling deformation, must use anchoring piece, and oxygen index (OI) is low, basal plane is required high, but allowance much smaller than the EPS plate, the therefore planeness and the verticality of wayward whole system.Be not that national sector standard and the approval of some provincial standard are recommended.
The 4th kind is polyurethane sheet-PU plate.Its advantage is: coefficient of thermal conductivity is little, and the slit, corner is handled easy.Its shortcoming is: the cost height, water proofing property is poor, construction inconvenience.
The 5th kind is the semi-rigid mineral wool.Its advantage is: the semi-rigid mineral wool is embarrassed right material, and system's fireproof performance excellence can be used together with polyurethane.Weak point is: poor dimensional stability, and density is big, and coefficient of thermal conductivity is big, and needed thickness is big, and cost is expensive.Be not that national sector standard and the approval of some provincial standard are recommended, do not applied on a large scale.
At present, domestic particularly southern area polyphenyl particle heat-insulating mortar system applies is comparatively extensive, reason is its lower cost and better simply construction, but this system is because the construction party material-saving is economized thickness, poor dimensional stability, thickness is wayward, and proportioning is controlled easily be full of cracks under the bad situation with whitewashing, make original heat-insulating property not reach energy-conservation 50% requirement with regard to general system, making it is a transitional product.
Reach energy-conservation more than 50% and reliable, external thermal insulation system mainly still adopts EPS plate and XPS plate.Compare with the XPS plate, EPS plate heat-insulating property is pretty good, the oxygen index (OI) height, and easily moulding, price is low, and size is accurate, is easy to control degree of plainness for wall surface, and advantage such as large-scale atmospheric exposure test checking is arranged, so national sector standard recommends to be suitable for the EPS plate as heat-insulation material.Though the XPS plate has higher-strength; but result of the test proves that the discreteness of its tensile strength is also very big; the XPS plate is as warming plate in addition; the very smooth densification of its epidermis; very poor with the adhesive power of adhesive glue and topping, after tested, even remove epidermis; can not well be improved, do not reached the 0.1Mpa of JG149-2003 " expansion polyphenyl plate thinly plastered external insulation system of outer wall " defined far away.The XPS plate is used for the body of wall protection, must use anchoring piece.But anchoring piece when mounted, and its anchor dish usually makes the XPS plate prolong the anchor dish and embrittlement occurs all around, even split to such an extent that separate with entire plate in the process that is pressed into the plate face, and the crab-bolt role is open to suspicion; Simultaneously, crab-bolt makes the XPS plate arch of rigidity rise when squeezing into, and influences the adhering state of plate and metope on the contrary.XPS plate thin plastering outer heat preservation system cracking phenomena in completed external wall outer insulation engineering is more serious, and is relevant with following factor:
A), whole system material do not match, without large-scale atmospheric exposure test checking.Though the XPS plate has good thermal-insulating waterproof, because its intensity is higher, distortional stress is also bigger, and smooth surface, hydrophobic is difficult to reasons such as bonding, is mainly used in the insulation of roofing and ground ± 0 following metope in American-European countries.
B), the XPS plate is bigger than expansion EPS plate density, the intensity height, the distortional stress that produces owing to self-deformation and temperature deformation is also big, for every batten seam, the STRESS VARIATION of adjacent two boards is reverse, and plate seam is squeezed or draws, and causes the plate seam to ftracture easily.
So the XPS plate also has many problems to need to solve.
External thermal insulation system roughly has following several at present:
1) EPS plate thinly plastered external insulation system of outer wall;
2) XPS plate thinly plastered external insulation system of outer wall;
3) cast-in-place no net EPS plate outer heat preservation system;
4) the thick steel wire net rack outer heat preservation system of plastering of cement mortar;
5) rubber powder EPS granule exterior wall outer heat preservation system;
6) spraying PU external thermal insulation system.
The information of two announcements of TV station of in October, 2007 central authorities claims that at home, the EPS plate thinly plastered external insulation system of outer wall accounts for 60% of market share, and spraying PU external thermal insulation system accounts for 5%, and all the other add and account for 35% together.In American-European countries, the EPS plate thinly plastered external insulation system of outer wall also is a system the most general over more than 40 year, and has obtained large-scale application.
Yet also there are some problems in the EPS plate thinly plastered external insulation system of outer wall.This system adopts the sticking or some frame bonding mode of pure point usually.When adopting pure point to glue, there is the whole cavity that connects in this system, even some frame bonding, owing to must leave steam vent, the cavity of every block of plate remains perforation by steam vent and plate seam, when the building perpendicularity deviation is adjusted by the thickness of bonding point bonding mortar, when particularly the body of wall deviation is big, the size of cavity is uncertain, there is the whole cavity that connects in this system, and positive and negative blast squeezes thermal insulation wall surface or presses, and also easily causes plate seam place cracking, under the extreme case, negative pressure even warming plate can be taken off.In addition, from the fire prevention angle, because there is cavity in EPS plate body system, just there is the whole air layer that connects in system itself, and when fire takes place, forms soon in " passage of igniting ", makes the fire rapid spread.
In addition, because the EPS plate thinly plastered external insulation system of outer wall gets the job practices that topping adopts " three glue, two nets " more at present, construction is complicated; long construction period, situ wet is done sparetime university, influences whole programming; the finish coat construction is also complicated, and is subject to the influence of environment, natural conditions.
To sum up, for external thermal insulation system, the older generations do a lot of work, but the system that integrates technical, economy, workability is still rare.Its fire line difference and positive and negative blast thermal insulation wall surface is squeezed or the situation of pressing under, the technical problem that can cause plate seam place cracking even warming plate is taken off.
(3) summary of the invention
The purpose of this invention is to provide a kind of construction of exterior wall external heat-preservation system method of using direct-compress EPS inorganic clad plate, solving with the eps foam plastics is perforation cavity and the construction complicated problems that the heat insulating material external insulating system for thinly plastered external wall exists, and it is long to have solved traditional construction of exterior wall external heat-preservation system cycle, the cost height, situ wet is done sparetime university, the problem that efficiency of construction is low.
For achieving the above object, the present invention adopts following technical scheme:
This direct-compress EPS inorganic clad plate; comprise expansion EPS plate; it is characterized in that: on expansion EPS plate 701 single side surface, be compounded with the inorganic composite materials enhancement layer 702 that includes two-grid cloth 703; above-mentioned two-grid cloth is parallel to the plate face and evenly distributes in inorganic coagulation material; be equivalent to carry out on expansion EPS plate three glue, two net toppings, plate is of a size of 600 * 1200 or 600 * 800.
The weight proportion of inorganic coagulation material can be in the above-mentioned inorganic composite materials enhancement layer:
Activated magnesia 40～80%;
Flyash 5～30%;
Re-dispersible glue powder 3～5%.
The weight proportion of another kind of inorganic coagulation material is in the above-mentioned inorganic composite materials enhancement layer:
Normal silicate or aluminium sulfate 425 cement 20～30%;
Fineness is quartz sand or the carbonate filler 65～75% of 0.05～0.5mm;
Cellulose ether 0.1～3%;
Re-dispersible glue powder 3～5%.
Above-mentioned inorganic composite materials strengthens the also compound one deck finish coat 704 of 702 external surfaces layer by layer, thereby constitutes incorporate direct-compress EPS inorganic composite decorating board 7.
The protective film that above-mentioned direct-compress EPS inorganic composite decorating board 7 outsides have one deck to take off.
A kind of external thermal insulation system of using direct-compress EPS inorganic clad plate, it is characterized in that: leveling layer 2, bonding mortar layer 3 and direct-compress EPS inorganic clad plate 6 are outwards arranged successively at building basic unit exterior surface of wall, above-mentioned direct-compress EPS inorganic clad plate 6 sticks on the leveling layer 2 by bonding mortar layer 3, between direct-compress EPS inorganic clad plate 6 plates seam pointing 4 is arranged, pointing is outer by weather proofing sealant 5 sealings.
The job practices of above-mentioned external thermal insulation system is characterized in that:
The direct-compress EPS inorganic clad plate 6 that is prefabricated in the factory earlier directly is laid in inorganic composite materials enhancement layer 702 on the single face of expansion EPS plate 701 by mechanical means, and passes through pressure roller and form incorporate direct-compress EPS inorganic clad plate 6.
All adopt direct-compress EPS inorganic clad plate in building main part and door and window edge basic unit exterior surface of wall, above-mentioned direct-compress EPS inorganic clad plate sticks on the leveling layer 2 by bonding mortar layer 3, carry out jointing with pointing 4 between direct-compress EPS inorganic clad plate 6 plates seam, pointing seals with weather proofing sealant 5 outward again, and construction sequence is:
(a), on basic unit's body of wall 1, make leveling layer 2;
(b), lattice, snap the line on leveling layer 2;
(c), on leveling layer 2 haftplatte, direct-compress EPS inorganic clad plate 6 is pasted with full sticking form from top to bottom, on leveling layer, smear earlier the bonding adhesive of thickness 3～8mm, then direct-compress EPS inorganic clad plate 6 is rubbed to be attached on the leveling layer 2 and gets final product;
(d), jointing, paste direct-compress EPS inorganic clad plate 6 on the wall after, plate and plate intercropping jointing;
(e), plate seam sealing, after the plate seam colludes, just can seal sealing material use weather proofing sealant 5 at least 24 hours;
(f), negative and positive angle, place, corner, plinth place, window place carry out encapsulation process;
(g), Puttying, adopt the flexible putty of waterproof, Puttying is carried out after above-mentioned work is finished 48 hours;
(h), priming, must guarantee that putty parches fully before the priming;
(i), do finish coat;
(j), the cleaning, finish.
A kind of external thermal insulation system of using direct-compress EPS inorganic clad plate, it is characterized in that: leveling layer 2, bonding mortar layer 3 and direct-compress EPS inorganic composite decorating board 7 are outwards arranged successively at building basic unit exterior surface of wall, above-mentioned direct-compress EPS inorganic composite decorating board 7 sticks on the leveling layer 2 by bonding mortar (3), between direct-compress EPS inorganic composite decorating board 7 plates seam pointing 4 is arranged, pointing is outer by weather proofing sealant 5 sealings.
The job practices of above-mentioned external thermal insulation system is characterized in that:
The direct-compress EPS inorganic composite decorating board 7 that is prefabricated in the factory earlier directly is laid in inorganic composite materials enhancement layer 702 on the single face of expansion EPS plate 701 by mechanical means, and passes through pressure roller and form incorporate direct-compress EPS inorganic composite decorating board 7.
All adopt direct-compress EPS inorganic to decorate composite decorating board in building main part and door and window edge basic unit exterior surface of wall, above-mentioned direct-compress EPS inorganic composite decorating board 7 sticks on the leveling layer 2 by bonding mortar layer 3, carry out jointing with pointing 4 between the plate seam of direct-compress EPS inorganic composite decorating board 7, pointing seals with weather proofing sealant 5 outward again, after the jointing sealing was finished, finish coat 704 was positioned at the outermost of system.
Above-mentioned pointing 4 is thermal insulation mortar or polyurathamc; The weight proportion of thermal insulation mortar is:
25～35% cement;
40～50% 50～100 purpose limestones;
10～15% powdered whiting;
3～8% foam PS particle;
0.2～0.5% wood fibre;
3～8% re-dispersible glue powder;
0.1～0.2% methyl cellulose ether.
Compared with prior art the present invention has following characteristics and beneficial effect: direct-compress EPS inorganic clad plate of the present invention or direct-compress EPS inorganic composite decorating board all are prefabricated in the factory, and have avoided a large amount of field operations.On the production line of factory; the inorganic composite materials enhancement layer directly is laid on the face of expansion EPS plate by mechanical means; and pass through pressure roller and form integral structure; be equivalent to disposable " three glue, the two nets " topping of on expansion EPS plate, having carried out; this method can be in factory fast, the production of scale; and cost is lower, and cutting is convenient.
Plate seam place is that the most concentrated place of system stress also is the distortion maximum, it is the position of easy cracking, the processing at plate seam place is directly connected to the combination property of system, the plate seam place of direct-compress EPS inorganic clad plate of the present invention or direct-compress EPS inorganic composite decorating board adopt fire line preferably thermal insulation mortar or polyurathamc can play following effect as pointing 4:
1, colludes the thermal insulation mortar or the polyurathamc that are embedded in around the expansion EPS plate and play the fire lagging effect.
2, thermal insulation mortar that tamps or polyurathamc have been eliminated the perforation cavity that system exists with the bonding mortar of the completely sticking mode of employing.
3, thermal insulation mortar or polyurathamc have respiratory function with the system that expansion EPS plate constitutes.
4, the plane structure of the present invention at plate seam place has two layers, one deck is: expansion EPS plate--thermal insulation mortar--expansion EPS plate, its feature are that expansion EPS plate is flexible big, and the thermal insulation mortar rigidity is bigger, the rule of--metalwork--spring that is similar to spring has certain deformation and distortion tracing property.Plate thickness is 4-5mm, and the thickness of weather proofing sealant is 5mm, both consistency of thickness.
Another layer is: direct-compress EPS inorganic composite decorating board--weather proofing sealant--direct-compress EPS inorganic composite decorating board, its feature is that direct-compress EPS inorganic composite decorating board rigidity is big, weather proofing sealant elasticity is big, the rule of--spring--metalwork that is similar to metalwork also has certain deformation and distortion tracing property.
5, the present invention in the facade structures at plate seam place is: basic unit's--thermal insulation mortar--weather proofing sealant, and wherein, basic unit's rigidity is big, and the thermal insulation mortar rigidity is less, and weather proofing sealant elasticity is big, and it meets the cracking resistance principle of system's flexible gradual change on facade.
So, the present invention not only can satisfy the principle of " system does not have cavity or areola is only arranged " and the principle of " the flexible gradual change of system " on structure, and work progress is simple, quick, is not subject to the influence of external environment, is a safe and reliable system that has certain apyrous again.
The present invention is applied to prefabricate direct-compress EPS inorganic clad plate or direct-compress EPS inorganic composite decorating board among the external thermal insulation system, attempt through test of wide variety of materials matching and practice, by various external thermal insulation system pluses and minuses are studied, and in conjunction with large-scale atmospheric exposure test of various external thermal insulation systems of American-European countries's 30 or 40 years and application experience, having solved with the eps foam plastics is perforation cavity and the construction complicated problems that the heat insulating material external insulating system for thinly plastered external wall exists, and it is long to have solved traditional construction of exterior wall external heat-preservation system cycle, the cost height, situ wet is done sparetime university, the problem that efficiency of construction is low.The economy and the efficiency of construction of external thermal insulation system have been improved.Compared with prior art, external thermal insulation system of the present invention has cracking resistance, excellent in durability, safe and reliable characteristics in configuration aspects, has the low characteristics of cost at economic aspect, the construction party mask have can rapid construction characteristics.
(4) description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of direct-compress EPS inorganic clad plate of the present invention.
Fig. 2 is the structural representation of direct-compress EPS inorganic composite decorating board of the present invention.
Fig. 3 is an external thermal insulation system structural representation of using direct-compress EPS inorganic clad plate.
Fig. 4 is an external thermal insulation system structural representation of using the direct-compress EPS inorganic composite decorating board.
Fig. 5 is the structural representation of the present invention at corner external corner place.
Fig. 6 is the structural representation of the present invention at corner inner corner trim place.
Fig. 7 is the structural representation at plinth place.
Fig. 8 is the structural representation at window place.
Reference numeral: 1-basic unit body of wall, 2-leveling layer, 3-bonding mortar layer, 4-pointing, 5-weather proofing sealant, 6-direct-compress EPS inorganic clad plate, 7-direct-compress EPS inorganic composite decorating board, 701-expansion EPS plate, 702-inorganic composite materials enhancement layer, 703-grid cloth, 704-finish coat, 9-bonding adhesive, 10-polyurathamc, 11-expansion EPS pole, 12-plate seam, 13-plinth place aproll, 14-window frame, the attached window of 15-.
(5) specific embodiment
The embodiment of direct-compress EPS inorganic clad plate is referring to shown in Figure 1, it comprises expansion EPS plate 701, inorganic composite materials enhancement layer 702, described inorganic composite materials enhancement layer directly are laid on face of expansion EPS plate and by pressure roller by mechanical means and form incorporate direct-compress EPS inorganic clad plate 6.This plate is a single sided board; on expansion EPS plate 701 single side surface, be compounded with the inorganic composite materials enhancement layer 702 that includes two-grid cloth 703; two-grid cloth is parallel to the plate face and evenly distributes in inorganic coagulation material, be equivalent to disposable " three glue, the two nets " topping of having carried out at expansion EPS plate.Plate is of a size of 600 * 1200 or 600 * 800.Grid cloth 703 can be alkaline-resisting grid cloth of glass fiber or plastic grid cloth.
The embodiment of direct-compress EPS inorganic composite decorating board 7 is referring to shown in Figure 2, it comprises expansion EPS plate 701, inorganic composite materials enhancement layer 702, finish coat 704, described inorganic composite materials enhancement layer directly are laid on face of expansion EPS plate and by pressure roller by mechanical means and form incorporate direct-compress EPS inorganic clad plate 6.This plate is a single sided board, and this plate is equivalent to disposable " three glue, the two nets " topping of having carried out at expansion EPS plate.Finish finish coat 704 at above-mentioned direct-compress EPS inorganic clad plate 6, thereby constitute incorporate direct-compress EPS inorganic composite decorating board 7, the direct-compress EPS inorganic composite decorating board outside is a protective film.
The weight proportion of inorganic coagulation material embodiment one chlorine oxygen magnesium base is:
Activated magnesia 60%;
Magnesium chloride 20%;
Flyash 10%;
Ferric trichloride or similar additive 6%;
The weight proportion of inorganic coagulation material embodiment dislicata cement based or sulphoaluminate cement base is:
Normal silicate or aluminium sulfate 425 cement 25%;
Quartz sand or carbonate filler (fineness 0.05～0.5mm) 70%;
Methyl cellulose ether or similar modifier 2%;
The external thermal insulation system embodiment that uses direct-compress EPS inorganic clad plate is referring to Fig. 3, it is characterized in that: leveling layer 2, bonding mortar layer 3 and direct-compress EPS inorganic clad plate 6 are outwards arranged successively at building basic unit exterior surface of wall, above-mentioned direct-compress EPS inorganic clad plate 6 sticks on the leveling layer 2 by bonding mortar 3, between direct-compress EPS inorganic clad plate 6 plates seam pointing 4 is arranged, pointing is outer by weather proofing sealant 5 sealings.Adopt direct-compress EPS inorganic clad plate 6 outer heat preservation systems need do finish coat at the construction field (site), its veneer construction method step is as follows:
(a), on basic unit's body of wall 1, make leveling layer 2.Leveling layer 2 should with basic unit body of wall 1 bonding firmly, delamination can not appear, hollowing, crackle, and efflorescence, peeling, situations such as quick-fried ash.
(b), lattice, snap the line on leveling layer 2.Carry out lattice by the metope situation, eject control line, make a mark, joint gap is generally 8～10mm.
(c), haftplatte on leveling layer 2.According to control line, direct-compress EPS inorganic clad plate 6 is pasted with full sticking form from top to bottom, smear the bonding adhesive of thickness 3～8mm earlier, plate is rubbed be attached on the leveling layer 2 then and got final product.
(d), jointing.After pasting direct-compress EPS inorganic clad plate 6 on the wall, answer jointing between plate and plate.Pointing 4 is recommended to use thermal insulation mortar, also can adopt the on-the-spot cementation of fissures of polyurathamc.
The weight proportion of one of thermal insulation mortar embodiment is:
30% cement;
45% 80 purpose limestones;
14.5% powdered whiting;
5% foam PS particle;
0.3% wood fibre;
5% re-dispersible glue powder;
0.2% methyl cellulose ether.
(e), sealing.After the plate seam colludes, should just can seal at least 24 hours, encapsulant is selected weather proofing sealant 5 for use.
(f), negative and positive angle, place, corner, plinth place, window place are handled.
(g), Puttying.Putty should adopt the flexible putty of waterproof, and Puttying should above-mentioned work be finished after 48 hours and carried out.
(h), priming.Must guarantee that putty parches fully before the priming.
(i), do finish coat.Puttying, priming, the hints on operation of doing finish coat and common way and indistinction.
(j), cleaning.System finishes.
The external thermal insulation system embodiment that uses the direct-compress EPS inorganic composite decorating board is referring to Fig. 4, at building basic unit exterior surface of wall leveling layer 2, bonding mortar layer 3 and direct-compress EPS inorganic composite decorating board 7 are outwards arranged successively, above-mentioned direct-compress EPS inorganic composite decorating board 7 sticks on the leveling layer 2 by bonding mortar 3, between direct-compress EPS inorganic composite decorating board 7 plates seam pointing 4 is arranged, pointing 4 is outer by weather proofing sealant 5 sealings.Adopt the system of direct-compress EPS inorganic composite decorating board 7 to carry out finish coat in factory, its construction method step is as follows:
(a), in body of wall basic unit, make leveling layer 2.Leveling layer 2 should with basic unit body of wall 1 bonding firmly, delamination can not appear, hollowing, crackle, and efflorescence, peeling, situations such as quick-fried ash.
(b), lattice, snap the line on leveling layer 2.Carry out lattice by the metope situation, eject control line, make a mark, joint gap is generally 8～10mm.
(c), haftplatte on leveling layer 2.According to control line, direct-compress EPS inorganic composite decorating board 7 is pasted with full sticking form from top to bottom, be bonded to thickness 3～8mm.
(d), jointing.After pasting direct-compress EPS inorganic composite decorating board 7 on the wall, answer jointing between plate and plate.Pointing 4 is recommended to use thermal insulation mortar, also can adopt the on-the-spot cementation of fissures of polyurathamc.
(e), sealing.After the plate seam colludes, should just can seal at least 24 hours, encapsulant is selected weather proofing sealant 5 for use.
(f), the structure at negative and positive angle, place, corner is seen Fig. 5, Fig. 6.
(g), the organigram at plinth place is seen Fig. 7.The construction at plinth place is that first EPS plate with direct-compress EPS inorganic composite decorating board 7 bottoms cuts away 5mm, be coated with twice bonding adhesive 9 to finish the bottom edge sealing, then direct-compress EPS inorganic composite decorating board 7 is sticked on the leveling layer 2, plinth place aproll 13 and direct-compress EPS inorganic composite decorating board 7 are at a distance of 20mm, fill with expansion EPS pole 11 therebetween, seal with weather proofing sealant 5 on it.
(h), the organigram at window place is seen Fig. 8.The construction at window place is earlier with attached window 15 and window frame 14 installation in position, the space is with the polyurathamc 10 on-the-spot cementation of fissures on every side, two direct-compress EPS inorganic composite decorating boards 7 stitch 12 places at plate and adopt full sticking mode coating adhesive, the inorganic composite materials enhancement layer phase junction of rigidity uses weather proofing sealant 5 to carry out bonding, outside window sill weathering top should exceed attached window 15 top 10mm, so that sliding sash fashion should be lower than the drain hole of window frame.
(i), the cleaning, tear the protective film on the direct-compress EPS inorganic composite decorating board 7 off, system finishes.
Claims (4)
1. construction of exterior wall external heat-preservation system method of using direct-compress EPS inorganic clad plate is characterized in that:
The direct-compress EPS inorganic clad plate (6) that is prefabricated in the factory earlier directly is laid in inorganic composite materials enhancement layer (702) on the single face of expansion EPS plate (701) by mechanical means, and passes through pressure roller and form incorporate direct-compress EPS inorganic clad plate (6); This plate comprises expansion EPS plate, on expansion EPS plate (701) single side surface, be compounded with the inorganic composite materials enhancement layer (702) that includes two-grid cloth (703), above-mentioned two-grid cloth is parallel to the plate face and evenly distributes in inorganic coagulation material, be equivalent to carry out on expansion EPS plate three glue, two net toppings, plate is of a size of 600 * 1200 or 600 * 800;
All adopt direct-compress EPS inorganic clad plate in building main part and door and window edge basic unit exterior surface of wall, above-mentioned direct-compress EPS inorganic clad plate sticks on the leveling layer (2) by bonding mortar layer (3), carry out jointing with pointing (4) between direct-compress EPS inorganic clad plate (6) plate seam, pointing uses weather proofing sealant (5) to seal outward again, and construction sequence is:
(a), on basic unit's body of wall (1), make leveling layer (2);
(b), go up lattice, snap the line at leveling layer (2);
(c), go up haftplatte at leveling layer (2), direct-compress EPS inorganic clad plate (6) is pasted with full sticking form from top to bottom, the bonding adhesive of thickness 3～8mm is smeared by elder generation on leveling layer, direct-compress EPS inorganic clad plate (6) is rubbed to be attached on the leveling layer (2) then to get final product;
(d), jointing, paste direct-compress EPS inorganic clad plate (6) on the wall after, plate and plate intercropping jointing;
(e), plate seam sealing, after the plate seam colludes, just can seal sealing material use weather proofing sealant (5) at least in 24 hours;
(f), negative and positive angle, place, corner, plinth place, window place carry out encapsulation process;
(g), Puttying, adopt the flexible putty of waterproof, Puttying is carried out after above-mentioned work is finished 48 hours;
(h), priming, must guarantee that putty parches fully before the priming;
(i), do finish coat;
(j), the cleaning, finish;
Can on external wall, form the external thermal insulation system of using direct-compress EPS inorganic clad plate like this, at building basic unit exterior surface of wall leveling layer (2), bonding mortar layer (3) and direct-compress EPS inorganic clad plate (6) are outwards arranged successively, above-mentioned direct-compress EPS inorganic clad plate (6) sticks on the leveling layer (2) by bonding mortar layer (3), between direct-compress EPS inorganic clad plate (6) plate seam pointing (4) is arranged, pointing is outer to be sealed by weather proofing sealant (5).
2. the construction of exterior wall external heat-preservation system method of application direct-compress EPS inorganic clad plate according to claim 1 is characterized in that: the weight proportion of inorganic coagulation material is in the above-mentioned inorganic composite materials enhancement layer (702):
Activated magnesia 40～80%;
Magnesium chloride 10～50%;
Flyash 5～30%;
Ferric trichloride additive 2～10%;
Re-dispersible glue powder 3～5%.
3. the construction of exterior wall external heat-preservation system method of application direct-compress EPS inorganic clad plate according to claim 1 is characterized in that: the weight proportion of inorganic coagulation material is in the above-mentioned inorganic composite materials enhancement layer (702):
Normal silicate or aluminium sulfate 425 cement 20～30%;
Fineness is quartz sand or the carbonate filler 65～75% of 0.05～0.5mm;
Cellulose ether 0.1～3%;
Re-dispersible glue powder 3～5%.
4. according to the construction of exterior wall external heat-preservation system method of the described application direct-compress EPS inorganic clad plate of claim 1, it is characterized in that: described pointing (4) is thermal insulation mortar or polyurathamc;
The weight proportion of thermal insulation mortar is: 25～35% cement;
40～50% 50～100 purpose limestones;
10～15% powdered whiting;
3～8% foam PS particle;
0.2～0.5% wood fibre;
3～8% re-dispersible glue powder;
0.1～0.2% methyl cellulose ether.
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