Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
  • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
  • E04D13/008—Provisions for reducing rain noise
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
  • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins

Definitions

• the present invention relates to a roof shielding sheet for efficiently reducing solar heat conduction by laying or stretching on a roof of a building and blocking rain sound and the like, and a roof structure using the same.
• a roof shut-off sheet that is optimal for energy-saving measures and prevention of global warming, as well as reducing roof noise, by preventing the members forming the roof from becoming hot due to direct sunlight and lowering the room temperature. It is related to the roof using. Background art
• the roofs of buildings such as houses and buildings or factories and warehouses are usually exposed to direct sunlight, and such roofs are heated by direct sunlight, and the heat is conducted to heat the room to a high temperature.
• the rise in temperature is particularly noticeable on metal roofs such as folded-plate roofs and tin roofs. If the room temperature rises, the operating time of air conditioners and the like will increase, and the amount of electricity used will increase, leading to global warming.
• the roof itself has a heat-insulating structure that blocks the heat conducted from the roof to prevent the indoor temperature from rising.
• the conventional method of ventilating with good ventilation in the attic space has the problem that the structure of the building is complicated and the construction cost is high. Also, if a fan is used for ventilation, running costs will be incurred, There is a problem that requires maintenance.
• heat-resistant paint that reflects light and reduces heat absorption.
• heat-resistant paint reflects light, which causes problems such as the reflected light reaching nearby buildings and roads, causing a rise in temperature and being blinded by the reflected light.
• the surface area of the roof is usually larger than the flat area, so in some cases, it is necessary to paint more than 1.5 times the flat area, which increases the painting cost.
• there is a heat shielding effect immediately after painting but there is also a problem that heat absorption increases as the surface becomes dirty.
• the present invention has been made under the circumstances as described above, and an object of the present invention is to provide a roof-blocking sheet that suppresses a rise in the temperature of the roof or naturally cools it, and blocks rain and the like.
• an object of the present invention is to provide a roof-blocking sheet that suppresses a rise in the temperature of the roof or naturally cools it, and blocks rain and the like.
• the present invention relates to a roof blocking sheet, and the above object of the present invention is to provide a plurality of transmission holes having a diameter of 80 to 150 mm in a sheet material having a heat blocking characteristic and a rain and light blocking characteristic. And the aperture ratio of the entire permeation hole is 3 to 8% with respect to the sheet material, and the thickness is 0.2 to 2.0 mm. This is achieved more effectively by providing eyelets on the peripheral edge as necessary, or by using a polyethylene resin as the sheet material.
• the present invention also relates to a roof, and the object of the present invention is to provide a sheet material having a heat shielding property and a rain and light shielding property, wherein a plurality of transmission holes having a diameter of 80 to 150 mm are arranged,
• a roof-breaking sheet that has an aperture ratio of 3 to 8% of the sheet material and a thickness of 0.2 to 2.0 mm is applied to the folded sheet of the roof. It is achieved by laying or tensioning with a space of 50 to 90 mm through a fastener, and the folded plate is a fastened folded plate Or the folded plate is a stacked folded plate, or the fastener is fitted to the protrusion at the top of the fastened folded plate.
• FIG. 1 is a plan view showing an example of a roof blocking sheet according to the present invention.
• FIG. 2 is a view showing a configuration example in which a roof blocking sheet (one sheet) is laid or stretched on the roof.
• FIG. 3 is a detailed view of FIG. 2 (B).
• FIG. 4 is a detailed view of FIG. 2 (C).
• FIG. 5 is a diagram showing a configuration example in which three (3) roof blocking sheets are laid or stretched on the roof.
• FIG. 6 is a structural diagram showing an example of the attachment of the roof blocking sheet to the fastened folded plate.
• FIG. 7 is a structural diagram showing another example of attachment of a roof shut-off sheet to a clap-type folded plate.
• FIG. 8 is a structural diagram showing an example of attachment of a roof blocking sheet to a stacked folded plate. ⁇
• Fig. 9 is a structural diagram showing one example of the installation of the roof shut-off sheet to the stacked folded plate.
• FIG. 10 is a structural diagram showing an example of attachment of a roof blocking sheet to a stacked folded plate.
• FIG. 11 is a schematic diagram showing the action (heat and wind flow) of the roof of the present invention.
• FIG. 12 is a schematic diagram showing the action (heat insulation) of the roof of the present invention in comparison with the conventional one.
• FIG. 13 is a characteristic diagram showing the effect of the present invention.
• Fig. 14 shows the data measured to confirm the effect (heat shielding) of the present invention.
• -It is a figure which shows an evening.
• FIG. 15 is a diagram showing an example of temperature characteristics of a conventional roof.
• FIG. 16 is a diagram showing an example of temperature characteristics of the roof of the present invention.
• FIG. 17 is a perspective view showing another example of the roof blocking sheet (frame structure) of the present invention.
• FIG. 18 is a view showing an example in which the roof blocking sheet of FIG. 17 is arranged on the roof.
• FIG. 19 is a plan view showing still another example of the roof blocking sheet (frame structure) of the present invention.
• a plurality of transmission holes having a diameter of 80 to 150 mm are arranged on a sheet material having a heat shielding characteristic (a characteristic that reflects and does not absorb heat) and rain and light shielding characteristics.
• the roof sheet is excellent in durability and heat resistance, blocks sunlight and rain, naturally occurs in the reflection between the roof sheet and the space (gap) between the roof sheet and the roof surface.
• the airflow produces a heat dissipation (cooling) action, and the temperature rise due to direct sunlight can be suppressed, and the indoor temperature rise based on direct sunlight can be effectively prevented.
• FIG. 1 is a plan view of a roof blocking sheet 10 according to the present invention.
• the sheet material of the roof blocking sheet 10 has a heat blocking characteristic and a polyethylene-based resin having a rain and light blocking characteristic (Polethylene 9 2.0 to 9 7.0% by weight, organic additives such as amines or phenols 1.0 to 3.0% by weight, inorganic additives such as pigments and calcium carbonate 0.5 to 5.0%
• the opening ratio of the entire perforation hole 11 to the entire roof blocking sheet 10 is about 3 to 8%, preferably 4 to 6%.
• Permeation hole 1 1 The opening ratio of the entire sheet is determined by the diameter and number of the permeation holes 1 1, but the heat reflection effect of the roof shielding sheet 1 0 and between the roof shielding sheet 10 and the roof surface
• the aperture ratio is about 3 to 8%, preferably 4 to 6%, due to the natural cooling caused by the airflow generated through the space.
• the aperture ratio is less than 3%, natural cooling by the airflow is hindered, and when the aperture ratio is greater than 8%, the heat reflection effect decreases and the shielding effect against light and rain decreases.
• the perforation hole 11 of the roof blocking sheet 10 is circular. However, even if it is a rectangle, a triangle, or a polygon, the aperture ratio may be 3 to 8%.
• the polyethylene-based resin is desirable as the material of the roof shielding sheet 10, but various woven fabric sheets, vinyl sheets, rubber material sheets, etc. can also be used, providing heat shielding properties, light resistance, heat resistance, Any material that is durable, blocks rain, and can withstand wind, rain, snow, etc.
• the eyelet 1 2 is for fixing to the folded plate of the metal roof, but the screw-type folded plate can be fixed by screwing or port nut using the eyelet 1 2.
• the folded folding plate it is not always necessary to use the folded folding plate because the end is folded and sandwiched between fixing members such as an angle member.
• it may be a hole that can be fixed with a screw or a port nut.
• such a shielding sheet for roof 10 is laid or stretched on a ready-made metal roof, for example, a roof made of a closed-type folded plate or a stacked folded plate, or a roof on which tiles are arranged To do.
• a ready-made metal roof for example, a roof made of a closed-type folded plate or a stacked folded plate, or a roof on which tiles are arranged
• the height from the roof surface of the hose-type folded plate and the stacked folded plate is about 50 to 90 mm, and this forms a space for airflow between the roof-type folded plate and the roof blocking sheet 10.
• a space (gap) of about 50 to 90 mm is formed between the roof and the surface by laying or stretching it through a high-level fastener. To do.
• the slope of a metal roof is usually between 0 and 30 degrees.
• the end portion may be reinforced with an end portion reinforcing material such as a polyethylene rope in order to reinforce the end portion.
• the diameter of the end reinforcement is about 2.0 to 6.0 mm, preferably 3.0 to 5.0 mm.
• Polypropylene is usually used as a mouthpiece for the end reinforcement, but the same polyethylene as the roof insulation sheet 10 is desirable because of recycling.
• Fig. 2 shows a roof sheet 10 for roof laying on a metal roof 20
• Fig. 2 (A) is a plan view
• Fig. 2 (B) is a front view
• Fig. 2 (C) is a side view
• the roof 20 is composed of a large number of folded plates 21 of a top-down type or a stack type, and steel title frames 2 4 A and 2 4 B are provided on the upper and lower sides of the roof 20.
• the distance L 1 from the end surface of the roof 20 to the roof blocking sheet 10 is about 500 mm or more. The reason why the separation distance L 1 is provided is that the heat dissipation due to the airflow is greater when the edge is separated than when the entire roof is covered. It is effective to cover 70 to 90% of the roof area with a roof sheet 10 for roofing.
• the fastener 2 2 is interposed at the top of the folded plate 21 and fixed with a port nut (or screw) 2 3.
• a port nut (or screw) 2 3 At that time, in the case of a clamped folded plate, the eyelet 12 is used, but in the case of a lap type folded plate, a roof sheet without the eyelet 1 2 is used, and the end is folded to form an angle member Fix using a fixing member such as. Details thereof will be described later.
• Fig. 5 shows an example in which four roofing sheets 10A to 10C are laid or stretched on a metal roof 20.
• Fig. 5 (A) is a plan view
• Fig. (B) is a front view
• Fig. 5 (C) is a side view.
• the top and bottom of the roof 20 are provided with steel tie fence frames 2 4 A and 2 4 B, and the separation distance L 1 from the end face of the roof 20 to the roof isolation wall 1 10 is It is the same as the case of FIG. 2 that it is about 500 mm or more.
• 'Roof cut-off sheet 1 0 A 1 and roof cut-off sheet 1 0 A 2 are examples in which the distance L 3 between the sheets is set to zero.
• the separation distance L 3 between 10 B and the roof blocking sheet 10 C is set to about 0 to 500 mm.
• These separation distances L1 to L3 take into consideration the convenience of construction of the shielding sheet for the roof and the heat shielding effect of the shielding sheet for the roof. It is. It is effective if 70 to 90% of the roof area is covered with a roof shielding sheet 10 A 1, 10 A 2 to 10 C.
• Fig. 6 shows a trapezoidal square pyramid-shaped fastener 2 2 1 fixed to the top of the clamped folded plate 21 A, and the top hole of the fastener 2 21 and the roof shut-off sheet 10 Pass the round-headed port 2 2 2 through the eyelet 1 2 and tighten both ends of the port 2 2 2 with the nuts 2 2 3 A and 2 2 3 B to secure the roof shut-off sheet 1 0.
• a fixing member such as an angle member
• a groove 2 2 4 is provided at the bottom of the fastener 2 2 1, and the groove 2 2 4 is fitted with a rail-shaped protrusion 2 1 1 existing on the top of the clamped folded plate 2 1 A.
• the fastener 2 2 1 is fixed to the clamped folded plate 2 1 A.
• a space that generates airflow between the roof shut-off sheet 10 and the self-tightening folded plate 2 1 A by using the high-height metal fittings 2 2 1 (height approximately 50 to 90 mm) ) Is formed.
• FIG. 7 shows a structure example in which the roof blocking sheet 10 is similarly attached to the top of the fastening plate 21 A, and the bottom of the trapezoidal square pyramid shaped fastener 2 2 5 is shown.
• the provided groove 2 2 6 is fitted to the rail-shaped protrusion 2 1 1 at the top of the clamped folded plate 2 1, and the fastener 2 2 5 is clamped into the clamped folded plate 2 1 Fix to A.
• Fastener 2 2 5 Port 2 2 7 is suspended. By tightening the hexagon port 2 2 7 from both sides, the fastener 2 2 5 can be more firmly fixed to the clamped folded plate 2 1 A.
• Fig. 8 shows an example in which a roof shut-off sheet 10 is attached to part X (midway) of Fig. 2.
• a rectangular parallelepiped shaped cross-section is fastened to the top of the stacked folded plate 2 1 B.
• the roof shielding sheet 1.0 is mounted on the stacked folded plate 21 B.
• one end of 3 3 is open and inclined is to make it easier to tighten the port nut 2 3 4 from above with a tool. It may be inclined at both ends, or flat at both ends. It is also good.
• the face-shaped L-shaped angle member 2 3 7 that engages with the square member 2 3 6 is brought into contact, and the roof blocking sheet 10 is sandwiched between the square member 2 3 6 and the angle member 2 3 7, and the screw 2 3 Secure with 8.
• fasteners 2 3 3 do not necessarily have a pipe shape, as long as the shut-off sheet can be fixed.
• the roof blocking sheet 10 according to the present invention when the roof blocking sheet 10 according to the present invention is attached to the folded plate and laid or stretched on the roof, as shown in the schematic diagram of FIG.
• the space that is reflected by the surface of the shielding sheet 10 and that is formed between the transmission hole 11, the roof shielding sheet 10, and the folded plate generates an air current (wind), which provides ventilation. Figured. Therefore, the heat shielding effect by the roof shielding sheet 10 is very large.
• the thickness of the roof blocking sheet 10 is as thin as 0.2 to 2.0 mm, it is possible to suppress the amount of heat stored in the sheet itself, and the roof blocking sheet 10 is about 50 to approximately from the roof surface. Since it is attached by 90 mm apart with fasteners, the amount of heat transfer to the roof is suppressed. In addition, the air-blocking sheet and the roof are cooled by heat dissipation, and the temperature rise is suppressed.
• Fig. 12 (A) shows a conventional roof with no roofing barrier sheet laid or stretched, and heat from the sun is conducted into the room to raise the room temperature.
• Fig. 12 (B) when the roof shielding sheet 10 is laid or stretched on the roof, the heat from the sun is reflected by the roof shielding sheet 10 and the heat entering the room is reflected. Since it decreases, an increase in the indoor temperature can be suppressed or prevented.
• the black roof, silver roof, and white roof using a lamp with a heat source temperature of about 75, and measuring the temperature rise 5 minutes after lighting, about 30 cm away from the lamp, the following differences were found: It was. 6 2. 9 ° C for black roofs, 4 0.9 for silver roofs without blocking sheets, 3 3.5 ° C for silver roofs with blocking sheets, 4 1.8 for white roofs T.
• Figure 13 shows experimental data showing the temperature suppression effect of the present invention.
• the outside temperature the temperature on the folded plate with a roof-blocking sheet, the roof
• the temperature on the folded plate without the shielding sheet for the roof, the ceiling temperature with the shielding sheet for the roof, and the ceiling temperature without the shielding sheet for the roof were measured over time.
• the ambient temperature was almost the same before the roof sheet was installed (without the roof sheet), but the ceiling temperature reached 57.7 ° C, and the temperature above the folded plate reached 64 ° C. Rose to.
• a roof insulation sheet was installed in the indoor environment shown in Fig. 14.
• the ceiling temperature and room temperature when stretched are the characteristics shown in Fig. 15, and the ceiling temperature and room temperature when there is no roof shielding sheet are the characteristics shown in Fig. 16.
• the ceiling is 3.6 mx 1.8 m X 0.2 m
• the floor area is 6.48 m 2 .
• the natural ventilation frequency is set to 1.0 times Zh
• the solar radiation absorption rate of the roof member is set to 0 when there is a roof shut-off sheet. From this, it can be seen that the effect of the present invention is great.
• the roof sheet or roof of the present invention even if it rains, all of the rain does not hit the roof surface and is mitigated by the roof sheet, so that indoor noise is reduced. For this reason, the effect is particularly great in areas with heavy rainfall.
• the roof blocking sheet itself is directly laid or stretched on the roof.
• the rectangular frame 41 made of wood, synthetic resin or metal is used as described above.
• a relatively small shut-off sheet body 40 having a structure in which the shut-off sheet 4 2 is stretched is prepared, and the shut-off sheet body 40 is arranged and fixed on the roof 43 as shown in FIG. Form roofs are also possible.
• six blocking sheet bodies 40 are arranged on the roof 43, but the number of sheets is arbitrary, but 70 to 90% of the roof area is blocked by the blocking sheet 4 2 And cover with 4 1 in the frame. Further, the opening ratio of the transmission hole 4 3 to the sheet 4 2 is also about 3 to 8%.
• the vertical position of the blocking sheet 4 2 with respect to the frame body 41 is arbitrary. That is, the blocking sheet body 40 may be stretched on the upper surface of the frame body 41 or may be stretched on the lower surface of the frame body 41, or stretched in the middle as shown in FIG. Also good.
• Fig. 19 shows another blocking sheet body 50, in which a plurality of strip-shaped blocking sheets 52 are stretched over a rectangular frame 51 and approximately between adjacent blocking sheets 52.
• a slit 53 of 5 to 20 mm is provided as a transmission hole.
• the opening ratio of the slit 53 is about 5 to 15% with respect to the blocking sheet 52, and 70 to 90% of the roof area is covered with the blocking sheet 52 and the frame 51.
• a metal roof is taken as an example of the roof, and the case where a roof-cutting sheet and a laminated folding board are laid or stretched with a roof blocking sheet has been described, but the roof is limited to these roofs. Instead, it is sufficient to form a moderate space between the roof and the roof blocking sheet, and to lay or stretch the roof blocking sheet. The effect is particularly great for metal roofs, but is not limited to metal roofs.
• the roof blocking sheet of the present invention is a sheet having a heat shielding property in which light transmission holes are regularly arranged or scattered, and has a property of blocking light and rain, and is easily laid or stretched on a metal roof. Durability is excellent in heat resistance, and if it is laid or stretched with a space on the roof, heat radiation can be generated by reflection from the sheet and naturally generated air flow, and temperature rise can be suppressed. The temperature rise due to direct sunlight can be effectively prevented.
• a roof in which a roof blocking sheet is laid or stretched has a space between the roof top surface and the roof blocking sheet, and airflow is naturally generated by the perforated holes provided in the roof blocking sheet.
• the heat flow caused by direct sunlight is moderated or suppressed, and it is possible to prevent the roof from becoming hot due to direct sunlight shining on the top surface of the roof.
• Wind (air) enters and exits through the perforation through the space formed between the top surface of the roof and the roof screen, and cools the roof, thereby suppressing the roof sheet from rising.
• the roof blocking sheet can be prevented from being damaged due to fluttering, and rainwater and the like accumulated in the roof blocking sheet can be drained from the permeation holes.
• the roof of the present invention uses a combustible polyethylene resin as a roof shielding sheet, it has a thickness of 0.2 to 2.0 mm, so it is laid on a roof of 0 to 30 degrees. Or, when it is stretched, the heat propagation function of the seat is attenuated or lost, and the temperature rise of the seat is suppressed, so it acts as a non-combustible material and meets the requirements of the Building Standards Act.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Building Environments (AREA)
• Roof Covering Using Slabs Or Stiff Sheets (AREA)

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• 2007
  • 2007-06-18 WO PCT/JP2007/062639 patent/WO2008114467A1/ja active Application Filing
  • 2007-06-18 EP EP07767447A patent/EP2133483A1/de not_active Withdrawn
  • 2007-06-18 JP JP2007549027A patent/JP4157593B1/ja active Active
  • 2007-06-18 AU AU2007349449A patent/AU2007349449A1/en not_active Abandoned
  • 2007-06-21 TW TW96122341A patent/TW200839071A/zh unknown
• 2008
  • 2008-05-13 JP JP2008125745A patent/JP4792059B2/ja active Active

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