EP0638696A1 - Matériau de couverture - Google Patents

Matériau de couverture Download PDF

Info

Publication number
EP0638696A1
EP0638696A1 EP94202256A EP94202256A EP0638696A1 EP 0638696 A1 EP0638696 A1 EP 0638696A1 EP 94202256 A EP94202256 A EP 94202256A EP 94202256 A EP94202256 A EP 94202256A EP 0638696 A1 EP0638696 A1 EP 0638696A1
Authority
EP
European Patent Office
Prior art keywords
layer
material according
roofcovering material
roofcovering
seperating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94202256A
Other languages
German (de)
English (en)
Other versions
EP0638696B1 (fr
Inventor
Martin Muelbeck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
REDEAHOLD APELDOORN B.V.
Original Assignee
MODIGLASS MODIFIED ASPHALT- AND GLASSMATMACHINES Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MODIGLASS MODIFIED ASPHALT- AND GLASSMATMACHINES Ltd filed Critical MODIGLASS MODIFIED ASPHALT- AND GLASSMATMACHINES Ltd
Publication of EP0638696A1 publication Critical patent/EP0638696A1/fr
Application granted granted Critical
Publication of EP0638696B1 publication Critical patent/EP0638696B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/12—Roof covering by making use of flexible material, e.g. supplied in roll form specially modified, e.g. perforated, with granulated surface, with attached pads

Definitions

  • the invention relates to a roofcovering material, formed by a base layer, onto which base layer, under insertion of a separating layer, a bituminous covering layer has been applied.
  • This known roofcovering material comprises a base layer formed by glass fibres tissue. Further the base layer is provided with apertures.
  • the same is unrolled onto and over the roofplane, which is constructed of for instance wood or concrete, or which may be formed by insulation plates, and after which the roofcovering material is heated, and whereby the hot and molten bitumen of the covering layer passes through the apertures of the base layer to come into contact with the roof plane, whereby the roofcovering material is adhered to the roof plane.
  • the roofplane which is constructed of for instance wood or concrete, or which may be formed by insulation plates
  • the known roofcovering material as described above has the drawback, that this has to be applied to a roof construction by heating the bitumen with an open flame, which constitutes an important fire hazard. It is not possible to apply the roofcovering material mechanically to the roof, for instance by means of a screw with washer plates or -strips, without the roofcovering material to come to lie completely loose when exposed to wind load.
  • the base layer comprised of the glass fibres tissue tears easily, so that, when the roofcovering material is exposed to windload, the base layer will break down, and thereby the connection between the covering layer, the base layer and the screwed connection will be broken, resulting in the roofcovering material to come to lie loose on the roof.
  • the invention aims to obviate these drawbacks of the known roofcovering material.
  • the roofcovering material according to the invention to that end is characterized, in that the base layer is formed by a supporting layer, by means of which the roofcovering material may be mechanically fastened to a foundation, such as a roof construction, and wherein the seperating layer is provided with apertures, through which the covering layer is firmly adhered to the supporting layer.
  • the supporting layer is provided with a reinforcement net.
  • the supporting layer is formed by a woven material or fabric or fabric mat, for instance a woven glass mat or glass fabric mat, or by a foil or film, such as for instance a metal foil or plastic film, or by a fleece, for instance a polyester fleece or film, or by paper, or by a linked or unlinked gauze, or a scrim.
  • the supporting layer may be made up of glass fibres, carbon fibres, plastic fibres, textile or fabric fibres, metal threads, or mixtures thereof, and which may be impregnated by a binding agent, be it fire-resistant or not.
  • the supporting layer is formed by glass fabric or glass fabric mat, or a woven glass mat.
  • roofcovering material With the roofcovering material according to the invention, it is possible to fasten the roofcovering material mechanically to a roof construction by means of screws with washer plates or -strips.
  • the seperating layer is liquid or vapour tight, or in any case liquid or vapour tight during the manufacturing process of the roofcovering material, and preferably the seperating layer is formed by a plastic film. Further, the seperating layer may also be provided with a reinforcement net.
  • the seperating layer is applied loosely or in spaced relationship over the supporting layer or the covering layer, such, that the covering layer and the supporting layer, outside of the area of the apertures in the seperating layer, through which the junctions between the covering layer and the supporting layer are formed, lie loose in relation to one another and are movable in relation to one another.
  • the seperating layer may be formed by a number of strips, which strips, according to a further characteristic, extend substantially square lenghtwise of the roofcovering material.
  • the surface ratio of the bituminous covering layer in relation to the supporting layer is 1: > 1 in the flat, that is to say, unrolled condition, such, that the supporting layer, such as a glass fabric mat, outside of the area of the junctions of the supporting layer and the covering layer, lies to a certain extent creased or folded relative to the covering layer.
  • the covering layer When the roofcovering material is applied to a roof in which fissures or cracks may be formed, or onto a roof which expands under the influence of heat and/or vapour, the covering layer, due to the larger size of the supporting layer with respect to the covering layer, is allowed to move together with the underlying roof construction and to undergo to a certain degree an elastic deformation.
  • the bituminius covering layer tends to shrink.
  • the seperating layer is formed by a plastic film, of such a slight thickness, that when this film is adhered to the covering layer and is in spaced relationship to the supporting layer, this supporting layer may easily be compressed or undergo a slight creasing during the shrinking movement of the covering layer.
  • the apertures distributed over the supporting layer, and accordingly the junctions between the supporting layer and the covering layer are distributed over the surface of the seperating layer at equal distances from one another.
  • the apertures distributed over the seperating layer, and accordingly the junctions, may cover between 2% and 90% of the surface of the seperating layer, more in particular 20% .
  • the apertures may have a size varying from 0,1 cm2 to 500 cm2, more in particular 4 cm2.
  • the figures 1 and 2 show a sectional view of the roofcovering material, wherein in figure 2 the connection between two sheets of roofcovering material is shown.
  • the sheet of roofcovering material is formed by a supporting layer 1 of glass fabric or glass fabric mat.
  • a seperating layer 2 in this example a flexible thin plastic film 2 is applied, which separates the supporting layer 1 from the bituminous covering layer 3, which is applied over the film 2, this however with the exceptions of the apertures 4 in the film 2, through which the material of the covering layer 3 has come into contact with the supporting layer 1 and where it has adhered itself firmly to the supporting layer 1, to form a permanent and firm junction between the supporting layer 1 and the covering layer 3.
  • the plastic film 2 is applied loosely or in spaced relationship over the supporting layer 1, such, that the covering layer 3, outside of the area of the apertures 4, is movable with respect to the supporting layer 1.
  • the roofcovering material When the roofcovering material is cooled down, for instance during the manufacturing process thereof by means of hot bitumen, or at a later time, it will tend to shrink.
  • the bituminous covering layer 3 When the roofcovering material is applied to the roof, and is unrolled, the bituminous covering layer 3 will shrink further.
  • the surface ratio per unit of size of the roofcovering material of the bituminous covering layer 3 in relation to the supporting layer 1 may be 1: > 1, such, that the supporting layer 1, outside of the area of the junctions at the place of the apertures 4 between the supporting layer 1 and the covering layer 3, in this flat, unrolled condition of the roofcovering material, lies to a certain extent folded or creased 5 in relation to the covering layer.
  • the separating layer 2 which may easily be compressed or creased under the compression forces of the shrinking covering layer 3, it is thereby prevented, that the overlying bitumen layer follows this crease or fold formation of the supporting layer.
  • the roofcovering material according to the invention it is thereby possible to allow the bituminous covering layer to undergo an elastic deformation, such as a shrinking movement, whereby the underlying supporting layer, such as a flexible glass fabric mat or flexible woven fabric mat, is allowed to crease and fold, which creasing or folding may take place independantly from the covering layer, due to the presence of the seperating layer.
  • an elastic deformation such as a shrinking movement
  • the underlying supporting layer such as a flexible glass fabric mat or flexible woven fabric mat
  • the roofcovering material may further be provided with a layer of granules 6, as shown in figure 1.
  • roofcovering material With the roofcovering material according to the invention it is possible to apply a sheet of roofcovering material to a roof construction without the necessity of the use of an open flame.
  • the sheet of roofcovering material is unrolled over the roof, whereby the edge 7 of the roofcovering material is fastened to the roof construction by means of screws 8 and washer plates or -strips.
  • the supporting layer 1 overlaps the seperating layer 2, such that at the spot of the overlap 11 a direct connection is formed between the supporting layer 1 and the covering layer 3, so that the supporting layer 1 and the covering layer 3 at that place are firmly connected to each other.
  • the covering layer 3 overlaps the supporting layer 1 and the seperating layer 2, such, that the roofcovering material at the place of the overlap 12 is formed only by the covering layer 3.
  • the connection 9 between two sheets of roofcovering material placed side by side may be sealed by means of hot air, whereby the supporting layer 1 in the connection zone 9 has to be sealed to the underlying sheet, so that at wind load no notch effect or stress concentration appears at the transition where the supporting layer terminates, and where by means of bitumen of the underlying covering layer 3 a firm connection exists between the supporting layers of the two sheets.
  • the supporting layer 1 may be formed by a film or polyester fleece 1.
  • the supporting layer 1 may thereby, at or near the edge 10 of the roofcovering material, at the side turned away from the covering layer, be provided with a heat or fire resistant layer or -strip , which is not shown in the drawing. With this measure it is prevented, that near the formation of the overlap the supporting layer at the place over the overlap is melted away by the hot air.
  • the supporting layer may also be provided with this heat or fire resistant layer at the side facing the covering layer, whereby this has the function of improving the fire safety of the roofcovering material.

Landscapes

  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Glass Compositions (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
EP94202256A 1993-08-06 1994-08-04 Matériau de couverture Expired - Lifetime EP0638696B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9301368A NL9301368A (nl) 1993-08-06 1993-08-06 Dakbedekkingsmateriaal.
NL9301368 1993-08-06

Publications (2)

Publication Number Publication Date
EP0638696A1 true EP0638696A1 (fr) 1995-02-15
EP0638696B1 EP0638696B1 (fr) 2000-05-31

Family

ID=19862734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94202256A Expired - Lifetime EP0638696B1 (fr) 1993-08-06 1994-08-04 Matériau de couverture

Country Status (13)

Country Link
EP (1) EP0638696B1 (fr)
JP (1) JPH07229248A (fr)
AT (1) ATE193574T1 (fr)
AU (1) AU6891694A (fr)
BR (1) BR9403190A (fr)
CA (1) CA2129460A1 (fr)
CZ (1) CZ288581B6 (fr)
DE (1) DE69424722T2 (fr)
DK (1) DK0638696T3 (fr)
ES (1) ES2148277T3 (fr)
NL (1) NL9301368A (fr)
PL (1) PL177610B1 (fr)
RU (1) RU94028654A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001092660A1 (fr) * 2000-05-31 2001-12-06 Marcus Von Wielemans Bande d'etancheite pour surfaces de toits et de batiments, en particulier pour de telles surfaces soumises a de fortes sollicitations

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030190944A1 (en) * 2002-04-03 2003-10-09 Acres Gaming Incorporated Safe gaming, personal selection of self-limiting option

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB923635A (en) * 1958-12-31 1963-04-18 Schuller Services Ltd Roofing material
FR1560512A (fr) * 1968-01-23 1969-03-21
FR2364116A2 (fr) * 1976-09-10 1978-04-07 Siplast Soc Nouvelle Perfectionnements aux ecrans de semi-independance
FR2478709A1 (fr) * 1980-03-18 1981-09-25 Siplast Membrane d'etancheite comprenant une couche de semi-independance integree et son procede de fabrication
FR2556392A1 (fr) * 1983-12-13 1985-06-14 Ruetgerswerke Ag Panneau d'etancheite auto-adhesif et procede pour sa fabrication
EP0145064A2 (fr) * 1983-12-02 1985-06-19 Modiglass Modified Asphalt- And Glassmatmachines Ltd Feuille de matériau de recouvrement de toiture
US4588458A (en) * 1984-10-26 1986-05-13 U.S. Intec, Inc. Single ply roofing base sheet adherence method
EP0251374A1 (fr) * 1986-06-25 1988-01-07 Modiglass Modified Asphalt- And Glassmatmachines Ltd Matériau de couverture en feuille

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB923635A (en) * 1958-12-31 1963-04-18 Schuller Services Ltd Roofing material
FR1560512A (fr) * 1968-01-23 1969-03-21
FR2364116A2 (fr) * 1976-09-10 1978-04-07 Siplast Soc Nouvelle Perfectionnements aux ecrans de semi-independance
FR2478709A1 (fr) * 1980-03-18 1981-09-25 Siplast Membrane d'etancheite comprenant une couche de semi-independance integree et son procede de fabrication
EP0145064A2 (fr) * 1983-12-02 1985-06-19 Modiglass Modified Asphalt- And Glassmatmachines Ltd Feuille de matériau de recouvrement de toiture
FR2556392A1 (fr) * 1983-12-13 1985-06-14 Ruetgerswerke Ag Panneau d'etancheite auto-adhesif et procede pour sa fabrication
US4588458A (en) * 1984-10-26 1986-05-13 U.S. Intec, Inc. Single ply roofing base sheet adherence method
EP0251374A1 (fr) * 1986-06-25 1988-01-07 Modiglass Modified Asphalt- And Glassmatmachines Ltd Matériau de couverture en feuille

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001092660A1 (fr) * 2000-05-31 2001-12-06 Marcus Von Wielemans Bande d'etancheite pour surfaces de toits et de batiments, en particulier pour de telles surfaces soumises a de fortes sollicitations

Also Published As

Publication number Publication date
AU6891694A (en) 1995-02-16
CA2129460A1 (fr) 1995-02-07
DK0638696T3 (da) 2000-10-02
DE69424722D1 (de) 2000-07-06
CZ189694A3 (en) 1995-02-15
CZ288581B6 (cs) 2001-07-11
NL9301368A (nl) 1995-03-01
JPH07229248A (ja) 1995-08-29
PL304594A1 (en) 1995-02-20
ATE193574T1 (de) 2000-06-15
DE69424722T2 (de) 2000-12-28
BR9403190A (pt) 1995-04-11
PL177610B1 (pl) 1999-12-31
RU94028654A (ru) 1997-04-27
EP0638696B1 (fr) 2000-05-31
ES2148277T3 (es) 2000-10-16

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