EP1203129A1 - A fastening device for a roof-flashing - Google Patents

A fastening device for a roof-flashing

Info

Publication number
EP1203129A1
EP1203129A1 EP00951273A EP00951273A EP1203129A1 EP 1203129 A1 EP1203129 A1 EP 1203129A1 EP 00951273 A EP00951273 A EP 00951273A EP 00951273 A EP00951273 A EP 00951273A EP 1203129 A1 EP1203129 A1 EP 1203129A1
Authority
EP
European Patent Office
Prior art keywords
roof covering
roof
fastening device
flashing
free edge
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
EP00951273A
Other languages
German (de)
French (fr)
Other versions
EP1203129B1 (en
Inventor
Allan Edvardsen
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.)
VKR Holding AS
Original Assignee
VKR Holding AS
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 VKR Holding AS filed Critical VKR Holding AS
Publication of EP1203129A1 publication Critical patent/EP1203129A1/en
Application granted granted Critical
Publication of EP1203129B1 publication Critical patent/EP1203129B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
    • E04D13/1473—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof
    • E04D13/1475—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof wherein the parts extending above the roof have a generally rectangular cross-section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/29—Means for connecting or fastening adjacent roofing elements
    • E04D1/2907—Means for connecting or fastening adjacent roofing elements by interfitted sections
    • E04D1/2914—Means for connecting or fastening adjacent roofing elements by interfitted sections having fastening means or anchors at juncture of adjacent roofing elements
    • E04D1/2918—Means for connecting or fastening adjacent roofing elements by interfitted sections having fastening means or anchors at juncture of adjacent roofing elements the fastening means taking hold directly on adjacent elements of succeeding rows

Definitions

  • the present invention relates to a fastening device for securing a free edge of a manually deformable flashing skirt for a roof penetrating building structure to a roof covering.
  • such a flashing typically comprises a top member, two side members and a bottom member to be secured to the top, side and bottom members of the frame structure, and a predominantly strip-shaped, manually easily deformable skirt member, which at its one longitudinal edge is brought into watertight connection with the bottom member of the flashing, the second longitudinal edge of the shirt being, due to the easy manual deformability, formed and pressed down into the best possible abutment against the roof covering below the bottom member of the window.
  • skirt members manufactured with a built-in material surplus, for instance from corrugated or plaited materials, to facilitate the adaptation to the shape of the roof covering.
  • the skirt member is subjected to repeated deformation impacts in the form of bending, which in respect of some flashing materials, e.g. aluminium, may cause a cold setting, which counteracts the intended manual deformability and impedes the final shaping and pressing down of the skirt member in abutment against the roof covering.
  • some flashing materials e.g. aluminium
  • the free lower edge of the skirt member may, due to heavy wind impact on the roof surface, be pressed up from the roof covering, so that the desired watertightness of the connection is reduced or eliminated.
  • the object of the invention is to remedy the above-mentioned drawbacks and to ensure retainment of an easily deformable flashing skirt member in sealing abutment against a roof covering, so that penetration of drifting snow or heavy rain under the skirt member is substantially prevented, the mounting work being not complicated to any substantial extent or limited to being carried out under certain, favourable climatic conditions .
  • a fastening device of the kind in question is according to the invention characterized by comprising a strip member of comparatively short length and designed at one end to be secured to the roof covering and, at the other end, to press down the free edge of the flashing skirt against the roof covering, and a securing means for securing said one end to the roof covering.
  • the fastening device according to the invention will have the effect of a clamp which in practice has proved effective in retaining a skirt member as described in the desired sealing abutment against the roof covering.
  • Preferred embodiments of the fastening device are stated in the dependent claims.
  • FIG. 1 shows an embodiment of a fastening device according to the invention
  • Fig. 2 is a sectional view showing the securing of the fastening device to a roof covering
  • Figs 3 and 4 illustrate the mounting of the fastening device for securing the free edge of a deformable flashing member to a roof covering
  • Fig. 5 shows an alternative mounting of the fastening device.
  • the fastening device comprises a compara- tive short strip member 1 and a fastening member in the form of a pressure rivet 2 for securing the strip member to a roof covering through a mounting hole 3 at one end of the strip member 1.
  • the strip member 1 is preferably made from a metallic material having little elasticity and high strength.
  • a suitable material is for instance aluminium foil of a thickness of 0.5 - 1 mm and having a corrosion-proof surface coating.
  • the pressure rivet 2 is in a manner known per se made from a suitable, elastically deformable plastics material, for instance a thermoplastic elastomer, an with a head 4 having a diameter, which substantially exceeds the diameter of the mounting hole 3 at one end of the strip member 1, and a shaft portion 5 with protruding ribs 6.
  • a suitable, elastically deformable plastics material for instance a thermoplastic elastomer
  • the strip member 1 is secured to a roof covering, e.g. roof bricks of tile or concrete, by boring at the protrusions 6 a hole 7 of slightly smaller diameter than the biggest diameter of the shaft member 5, following which the pressure rivet is pressed into the hole 7 through the mounting hole 3 at one end of the strip member 1 for safe retention of said the strip member.
  • a roof covering e.g. roof bricks of tile or concrete
  • the fastening holes 7 in the roof covering are in the embodiment shown placed within the lower edge of the manually easily deformable flashing skirt 8, which may typically be made from pleated lead or aluminium foil with closely packed foldings, the upper edge of which, as shown in Fig. 4, being connected with a flashing member 11 secured to the frame bottom member 9 of a roof window 10.
  • the fastening holes 7 are preferably positioned, as shown in Fig. 3, in the wave crests of the roof covering at a distance from the free edge of the flashing skirt 8 corresponding for instance to approximately half of the length of the strip member 1.
  • each strip member 1 After securing of each strip member 1, the bottom edge of the flashing skirt 8 is pressed down into abutment against the roof covering and the strip members secured thereto, following which, as shown in Fig. 3, the second end of each strip member 1 protruding from under the lower edge of the flashing skirt 8 is bent approximately 180° for producing a clamp, which, as shown in Fig. 4, ensures a stable securing of the lower edge of the flashing skirt 8 to the roof covering.
  • the fastening device may comprise a strip member 1' of an elastically deformable material having a spring effect, for instance sheet steel.
  • the strip member 1' is hereby secured to the roof covering 12' under the lower edge of the flashing member 8' and is designed in such a manner that it forms a resilient loop intended for pressing down the strip member against the roof covering.

Abstract

The free edge of a manually deformable flashing skirt (8, 8') for a roof penetrating building structure (10) is secured to a roof covering (12) by means of a fastening device comprising a strip member (1, 1') of comparatively short length and designed at one end to be secured to the roof covering (12, 12') and, at the other end, to press down the free edge of the flashing skirt (8, 8') against the roof covering (12, 12'), and a securing means (2) for securing said one end to the roof covering (12, 12').

Description

A FASTENING DEVICE FOR A ROOF-FLASHING
The present invention relates to a fastening device for securing a free edge of a manually deformable flashing skirt for a roof penetrating building structure to a roof covering.
When mounting roof windows and other kinds of roof penetrating building structures in a roof surface, watertight joining of the building structure in ques- tion to the roof covering is normally established by means of a flashing which is secured, on one hand, to the exterior sides of the roof penetrating building structure, e.g. the frame structure of a roof window, said exterior sides being substantially perpendicular to the roof surface, and, on the other hand, is brought into the best possible, watertight connection with the surrounding roof covering.
In case of roof windows having a rectangular frame structure, such a flashing typically comprises a top member, two side members and a bottom member to be secured to the top, side and bottom members of the frame structure, and a predominantly strip-shaped, manually easily deformable skirt member, which at its one longitudinal edge is brought into watertight connection with the bottom member of the flashing, the second longitudinal edge of the shirt being, due to the easy manual deformability, formed and pressed down into the best possible abutment against the roof covering below the bottom member of the window. Particularly in case of roof coverings of materials showing comparatively big differences in level, like for instance tiles, it is commonly known to use skirt members manufactured with a built-in material surplus, for instance from corrugated or plaited materials, to facilitate the adaptation to the shape of the roof covering.
In connection with such roof coverings it may be difficult, however, to retain the free edge of the skirt member in a sufficiently tight abutment against the subjacent roof covering.
On one hand, both during handling on the building site and later at the mounting of a roof window in connection with adaptation of the tiles placed around the window, the skirt member is subjected to repeated deformation impacts in the form of bending, which in respect of some flashing materials, e.g. aluminium, may cause a cold setting, which counteracts the intended manual deformability and impedes the final shaping and pressing down of the skirt member in abutment against the roof covering.
Even by non-problematic mounting, the free lower edge of the skirt member may, due to heavy wind impact on the roof surface, be pressed up from the roof covering, so that the desired watertightness of the connection is reduced or eliminated.
To counteract these problems, attempts have been made to apply various types of adhesive coverings to the lower part of the skirt member at the free edge to establish an adhesive retainment of the skirt member to the roof covering, which may for instance consist of tiles.
In addition to complicating and making the manufacture of the skirt member more expensive, this solution suffers in practice from the drawback that the mounting cannot be performed when it is raining or when the outside temperature is below approximately 5°C.
The object of the invention is to remedy the above-mentioned drawbacks and to ensure retainment of an easily deformable flashing skirt member in sealing abutment against a roof covering, so that penetration of drifting snow or heavy rain under the skirt member is substantially prevented, the mounting work being not complicated to any substantial extent or limited to being carried out under certain, favourable climatic conditions .
To meet this object, a fastening device of the kind in question is according to the invention characterized by comprising a strip member of comparatively short length and designed at one end to be secured to the roof covering and, at the other end, to press down the free edge of the flashing skirt against the roof covering, and a securing means for securing said one end to the roof covering. When mounted, the fastening device according to the invention will have the effect of a clamp which in practice has proved effective in retaining a skirt member as described in the desired sealing abutment against the roof covering. Preferred embodiments of the fastening device are stated in the dependent claims.
The invention will now be explained in detail in the following with reference to the schematic drawing, in which Fig. 1 shows an embodiment of a fastening device according to the invention,
Fig. 2 is a sectional view showing the securing of the fastening device to a roof covering,
Figs 3 and 4 illustrate the mounting of the fastening device for securing the free edge of a deformable flashing member to a roof covering, and
Fig. 5 shows an alternative mounting of the fastening device.
In the embodiment in Figs 1 and 2 the fastening device according to the invention comprises a compara- tive short strip member 1 and a fastening member in the form of a pressure rivet 2 for securing the strip member to a roof covering through a mounting hole 3 at one end of the strip member 1. The strip member 1 is preferably made from a metallic material having little elasticity and high strength. A suitable material is for instance aluminium foil of a thickness of 0.5 - 1 mm and having a corrosion-proof surface coating. The pressure rivet 2 is in a manner known per se made from a suitable, elastically deformable plastics material, for instance a thermoplastic elastomer, an with a head 4 having a diameter, which substantially exceeds the diameter of the mounting hole 3 at one end of the strip member 1, and a shaft portion 5 with protruding ribs 6.
As will appear from the sectional view in Fig. 2, the strip member 1 is secured to a roof covering, e.g. roof bricks of tile or concrete, by boring at the protrusions 6 a hole 7 of slightly smaller diameter than the biggest diameter of the shaft member 5, following which the pressure rivet is pressed into the hole 7 through the mounting hole 3 at one end of the strip member 1 for safe retention of said the strip member.
As appears from Figs 3 and 4, the fastening holes 7 in the roof covering are in the embodiment shown placed within the lower edge of the manually easily deformable flashing skirt 8, which may typically be made from pleated lead or aluminium foil with closely packed foldings, the upper edge of which, as shown in Fig. 4, being connected with a flashing member 11 secured to the frame bottom member 9 of a roof window 10. In the example shown in Figs 3 and 4, in which the roof covering consists of undulated bricks 12 of tile or concrete, the fastening holes 7 are preferably positioned, as shown in Fig. 3, in the wave crests of the roof covering at a distance from the free edge of the flashing skirt 8 corresponding for instance to approximately half of the length of the strip member 1. After securing of each strip member 1, the bottom edge of the flashing skirt 8 is pressed down into abutment against the roof covering and the strip members secured thereto, following which, as shown in Fig. 3, the second end of each strip member 1 protruding from under the lower edge of the flashing skirt 8 is bent approximately 180° for producing a clamp, which, as shown in Fig. 4, ensures a stable securing of the lower edge of the flashing skirt 8 to the roof covering.
Alternatively, as shown in Fig. 5, the fastening device according to the invention may comprise a strip member 1' of an elastically deformable material having a spring effect, for instance sheet steel. The strip member 1' is hereby secured to the roof covering 12' under the lower edge of the flashing member 8' and is designed in such a manner that it forms a resilient loop intended for pressing down the strip member against the roof covering.

Claims

P A T E N T C L A I M S
1. A fastening device for securing a free edge of a manually deformable flashing skirt (8, 8') for a roof penetrating building structure (10) to a roof covering (12), c h a r a c t e r i z e d by comprising a strip member (1, 1') of comparatively short length and designed at one end to be secured to the roof covering (12, 12') and, at the other end, to press down the free edge of the flashing skirt (8, 8') against the roof covering (12, 12'), and a securing means (2) for securing said one end to the roof covering (12, 12') .
2. A fastening device according to claim 1, c h a r a c t e r i z e d in that said strip member (1) is made from a manually deformable, substantially nonelastic material for securing said one end to the roof covering (12) in a place covered by the flashing shirt (8) at a distance from said free edge, and bending of said other end for providing a clamp for retaining said free edge.
3. A fastening device according to claim 1, c h a r a c t e r i z e d in that said strip member (1') is made from a manually deformable, substantially nonelastic material for securing said one end to the roof covering (12') outside the free edge of the flashing skirt (8'), said other end being positioned above the free edge to press down said free edge .
4. A fastening device according to claim 1, 2 or 3, c h a r a c t e r i z e d in that said securing means (2) is designed to be fastened in a bore (7) in the roof covering (12, 12') and that the strip member (1) is provided at said one end with a hole (3) for the securing means (2) .
5. A fastening device according to claim 4, c h a r a c t e r i z e d in that the securing means (2) comprises a pressure rivet of elastically deformable material.
EP00951273A 1999-08-10 2000-08-09 Use of a fastening device for a roof-flashing Expired - Lifetime EP1203129B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK199901111A DK199901111A (en) 1999-08-10 1999-08-10 Attachment for roofing
DK111199 1999-08-10
PCT/DK2000/000441 WO2001011160A1 (en) 1999-08-10 2000-08-09 A fastening device for a roof-flashing

Publications (2)

Publication Number Publication Date
EP1203129A1 true EP1203129A1 (en) 2002-05-08
EP1203129B1 EP1203129B1 (en) 2005-11-09

Family

ID=8101131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00951273A Expired - Lifetime EP1203129B1 (en) 1999-08-10 2000-08-09 Use of a fastening device for a roof-flashing

Country Status (7)

Country Link
EP (1) EP1203129B1 (en)
AT (1) ATE309428T1 (en)
AU (1) AU6426900A (en)
DE (1) DE60023904T2 (en)
DK (1) DK199901111A (en)
PL (1) PL206210B1 (en)
WO (1) WO2001011160A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL226086B1 (en) 2012-04-17 2017-06-30 Więcek Bogdan Budmat Roofing element (roofing tile) with embossments
PL403087A1 (en) 2013-03-11 2014-09-15 Więcek Bogdan Budmat Roofing element (roofing tiles) fitted with a buckle
PL403552A1 (en) 2013-04-15 2014-10-27 Więcek Bogdan Budmat Roofing method (with sheet metal tiles)
US11592197B2 (en) 2018-09-28 2023-02-28 Solatube International, Inc. Bottom-mounted whole house fan assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE217302C1 (en) * 1965-12-06 1967-11-28
DK111305B (en) * 1966-11-15 1968-07-22 Kaehler & Co I Hook for attaching heat-insulating sheets of compressible material, mainly for insulating roof surfaces.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0111160A1 *

Also Published As

Publication number Publication date
DK199901111A (en) 2001-02-11
DE60023904T2 (en) 2006-08-03
ATE309428T1 (en) 2005-11-15
AU6426900A (en) 2001-03-05
PL357046A1 (en) 2004-07-12
PL206210B1 (en) 2010-07-30
EP1203129B1 (en) 2005-11-09
WO2001011160A1 (en) 2001-02-15
DE60023904D1 (en) 2005-12-15

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