EP0084909B1

EP0084909B1 - Means for the protection of the lower edge of an inclined roof covered by scaly elements, like roof tiles

Info

Publication number: EP0084909B1
Application number: EP19830200075
Authority: EP
Inventors: Herman W. F. P. Brueren
Original assignee: Redland Roof Tiles Ltd; REDLAND BOUWPRODUKTEN BV
Current assignee: REDLAND BOUWPRODUKTEN B.V.; Redland Roof Tiles Ltd
Priority date: 1982-01-26
Filing date: 1983-01-17
Publication date: 1987-12-23
Also published as: EP0084909A2; NL8200274A; EP0084909A3; DE3375035D1

Description

The invention relates to a means for the protection of the lower edge of an inclined roof covered by scaly elements, such as roof tiles, comprising a combination of a lower plastic or metal tile lath and a protecting plate fixedly or detachably connected together for protecting the lower edge of the roof boarding, said tile lath having ventilation openings.
Such a means is disclosed in CH-A-559 837.
The roof boarding of an inclined roof of a modern house usually comprises a roof boarding plate, an insulation layer and a number of inclined roof laths on which the horizontal tile laths are connected. The roof boarding plate is mostly manufactured from chip board. To avoid swelling one has to care that moisture is not blown against the lower edge of this chip board. Therefore protecting plates are used which are secured on the lower tile lath which extend approximately vertically in front of the lower edge of the roof boarding. The construction disclosed in said Swiss publication enables sufficient ventilation to avoid these problems. The protecting plate should have a certain position with respect to the lower edge of the roof boarding, preferably this position is substantially vertical. In the construction of the Swiss publication the protecting member is integrated with the lower tile lath which is shaped as a U-section. This means that the known combination of lower tile lath and protecting member is suitable for one roof inclination angle only.
The object of the invention is to avoid this disadvantage and to provide a combination of a lower tile lath and a protecting plate which is suitable for any inclination angle of the roof.
The invention provides two solutions. In a first embodiment the lower tile lath consists of a beam shaped as a closed tube or C-section and having a round portion which may roll on the roof laths to adapt to several roof inclinations.
The second embodiment is characterized in that the lower tile lath consists of a beam shaped as an L-section of which the flat web is adapted to be secured on the roof laths and of which the flange has a round upper end portion provided with securing openings, said end portion having substantially the same curvature as a round upper end of the protecting plate, and that the position where the round upper end of the protection plate is to be secured to the round end portion of the flange of the L-section may be selected to adapt to several roof inclinations.
To avoid birds from entering the spaces between the corrugated tiles or corrugated sheets or plates and the roof boarding, a flexible comb may be yes or not detachably connected to the beam.
For an efficient manufacturing it is preferred that the roof boarding protecting plate, the beam and the comb are manufactured as one single moulding piece of plastic, each piece having at one cross edge a female portion and at the opposite cross edge a male portion. The pieces have a length of for instance one meter and may be connected to each other by putting the male member of a piece into the female member of a next piece.
To avoid rattling of the roof boarding plate against the lower edge of the roof boarding in case of hard wind, fingers may be present at the lower edge of each roof boarding protecting plate, said fingers may engage the roof boarding and may keep the protecting plate at some distance from the edge of the roof boarding.
The invention will now be elucidated with the aid of the figures, in which some embodiments are shown.

Figure 1 shows an inclined roof in cross section provided with a means according to the invention.
Figure 2 shows a similar cross section, however, the roof is of bigger inclination.
Figure 3 shows schematically an alternative embodiment.
Figure 4 shows a front view of another embodiment.
Figure 5 shows a front view of another embodiment.

The roof boarding 1 according to figures 1 and 2 lies on a wall plate 2 on the upper edge of a cavity wall 3 and includes a roof boarding plate 4 (usually made of chip board), an insulating layer 5 and a number of spaced roof laths 6. The horizontal tile laths 7 (figure 2) are connected to the roof laths and the roof tiles 8 are supported on the horizontal tile laths so that the tile edges stick out.
A means 9 is connected to the lower edge of the roof boarding said means including a protecting plate 11, a beam 12, a flexible comb 13, and a number of fingers 14.
The beam 12 replaces at least a portion of the lower tile lath. In the embodiment according to figures 1 and 2 parts 11-14 form together one single piece manufactured from plastic (for instance PCV) by injection moulding. The length of each piece is for instance one meter. The tube shaped beam 12 comprises ventilation openings (not shown in the drawings). A number of pieces are united to a long beam having the length of the lower edge of the inclined roof boarding.
The protecting plate 11 is zig-zag shaped to improve the stiffness and the function of this plate is to protect the lower edge of the roof boarding. The plate 11 should take about the shown position. To avoid rattling resilient fingers 14 engage the roof boarding.
By comparing figures 1 and 2 it appears that the means of the present invention is suitable for several roof inclinations. Therefore the beam 12 has a round portion which can be rolled on the roof laths 6. As a consequence the protecting plate 11 can take the same vertical position independent on the roof inclination.
The flexible comb 13 meant as a bird exclusion element has such a shape that the eventual spaces between the roof tiles (or other scaly roof coverings sucb as corrugated plates) and the roof boarding are closed under all circumstances.
The embodiment according to figure 3 differs from that according to figures 1 and 2 by the fact that the protecting plate, the beam 12 and the comb 13 consists of separate parts which are detachably connected to each other. Further figure 3 shows the female member 15 in which the male member 16 of a next piece can be snapped. The ventilation openings are indicated by 17.
The beam 12 may consist of steel, in which case also the roof gutter can be suspended from the beam. An advantage of steel with respect to plastic is that it is stronger so that a roofer may stand on the beam without risk of damages.
In the embodiment according to figure 4 the beam 12 is an open channel in which reinforcing transverse partitions 18 have been positioned.
Figure 5 shows a means of which the beam 12 has a flat support face 19, whilst a round portion 20 is present to which the protecting plate 11 can be secured in several angular positions. Therefore this plate 11 is provided with rows of securing openings 21 and of each row one opening can be chosen to be brought in alignment with an opening in the round portion of the beam 12 to put securing means through these aligned openings.
The combination of a rather cheap replacing tile lath having ventilation openings and a protecting plate connected with said lath is essential for the invention. Further it is important that the replacing tile lath has a such shape that in case of very different roof inclination the protecting plate may take a substantially vertical position in front of the lower edge of the roof boarding.

Claims

1. Means for the protection of the lower edge of an inclined roof covered by scaly elements, such as roof tiles (8), comprising a combination of a lower plastic or metal tile lath (12) and a protecting plate (11) fixedly or detachably connected together for protecting the lower edge of the roof boarding (1), said tile lath (12) having ventilation openings (17), characterized in, that the lower tile lath (12) consists of a beam shaped as a closed tube or C-section and having a round portion which may roll on the roof laths (6) to adapt to several roof inclinations.

2. Means for the protection of the lower edge of an inclined roof covered by scaly elements such as roof tiles (8), comprising a combination of a lower plastic or metal tile lath (12) and a protecting plate (11) fixedly or detachably connected together for protecting the lower edge of the roof boarding (1), said tile lath (12) having ventilation openings (17), characterized in, that the lower tile lath consists of a beam (12) shaped as an L-section of which the flat web (19) is adapted to be secured on the roof laths (16) and of which the flange has a round upper end portion (20) provided with securing openings (21), said end portion (20) having substantially the same curvature as a round upper end of the protecting plate (11), and that the position where the round upper end of the protection plate is to be secured to the round end portion of the flange of the L-section (12) may be selected to adapt to several roof inclinations.

3. Means according to claim 1 or claim 2, characterized in, that a flexible comb (13) is connected to the beam (12) the connection being yes or no detachable.

4. Means according to claim 3, characterized in, that the roof boarding protecting plate (11), the beam (12) and the comb (13) are made as one single mould piece of plastic, each piece having a female portion (15) at one cross edge and a male portion (16) at the opposite cross edge.

5. Means according to one of the preceding claims, characterized in, that the lower edge of each roof boarding protecting plate is provided with fingers (14) which may engage the roof boarding and which may keep the plate (11) at a distance from the lower edge of the roof boarding.