CZ290545B6 - Flashing arrangement for mounting of a roof element in a roof - Google Patents

Abstract

The present invention relates to a flashing arrangement (7) for mounting of a roof element in a roof having a thin sheet-formed roofing (2), in particular a roof window having a mainly rectangular main frame (6) composed of a top member (6a), two side members (6c, 6d) and a bottom member (6b). Said flashing arrangement (7) comprises flashing elements (9, 10a, 10b, 1i) intended for connection with the main frame (6) members (6a, 6c, 6d, 6b) and made from a sheet material. The flashing elements (10a, 10b) intended for connection with the side members (6c, 6d) of the main frame (6) are substantially of L-shaped cross-section with an upright flange portion (12) for bearing, in its mounted position, against the side member (6c, 6d) of the main frame (6) and a flange portion (13) protruding, in its mounted position, substantially parallel to the roof surface. The invention is characterized in that said protruding flange portion (13) is folded in its longitudinal direction to form at least two mutually separated and mainly parallel slots (14a, 14b), said slots having openings facing away from the upright flange portion (12) for receiving an edge portion (15) of the thin sheet-formed roofing (2).

Description

Technical field

BACKGROUND OF THE INVENTION The invention relates to a flashing kit for placing a roof piece in a roof having a thin sheet of roofing, in particular a roof window having a rectangular main frame consisting of an upper part, two side portions and a lower part. main frame members made of sheet material, wherein the flashing members to be connected to the side portions of the main frame have an L-shaped cross-section with an upright flange portion abutting the side portion of the main frame in the mounted position and a flange portion which is mounted parallel to the roof surface.

BACKGROUND OF THE INVENTION

When installing windows on sloping roofs, it is important that a water and weather-resistant connection is established between the main window frame and the surrounding covering. Depending on the type of covering, this connection is placed in different ways under the covering and may consist of sealing means abutting against the underside of the covering. Furthermore, the roofing needs to be reliably connected to the roof panel or window structure so that there is no risk that the roofing around the built-in roof panel is lifted away from the roof structure under the influence of, for example, strong wind.

For example, it is known that windows embedded in a roof having a corrugated roofing, for example of tiles, are provided with a flashing connection consisting of a sealing tape. Due to the relatively high weight of the tiles, the covering abuts the sealing strip and thus the roof structure, thereby providing a water and weather resistant connection as well as a secure fastening between the covering and the roof structure. In substantially planar coverings, such as slate slabs and the like, where the parts are small, very rigid, there is the possibility of fixing the parts near the flashing, thus achieving a similar effect to that described above.

From SU patent 897 894, a protective and insulating cover is known, consisting of a vertical part for attachment to a wall of a roof structure extending through the roof, and an attached horizontal cover forming one fold for introducing the edge of the roofing material in the form of a mat.

With this known cover arrangement, sufficient airtightness of the connection between the superstructure and the surrounding covering and its firm fit to the underlying roof can only be achieved by substantially overlapping the edge of the roof mat and the horizontal part of the cover, which must be fastened to the roof structure by dowels and pressing fold against the rim and roof mats.

However, this known cover arrangement is not suitable in the case of lightweight coverings of long length, where it is very difficult to ensure a tight connection and a reliable fastening. This is the case, for example, with coverings made of thin sheet metal, which can be profiled in different ways in the direction of the roof slope. Indeed, a single fold of the known cover arrangement does not allow adaptation to the cross-sectional profile of the sheet and merely pressing the fold by manual deformation does not lead to sufficient tightness. Thus, in such cases, the covering must be fixed, for example, by gluing or sealing, which in turn means an uncomfortable placement of the flashing as well as a very uncertain fastening and sealing.

In view of the above, it is an object of the present invention to provide a flashing which overcomes the above-mentioned disadvantages of the prior art using a cover while retaining all of its advantages, and is also applicable to thin metal sheet coverings with reliable tightness and fastening. regardless of their profile.

- 1 GB 290545 B6

The essence of w finding

According to a first embodiment of the invention, the essence of the flashing assembly of the type mentioned at the outset is that the protruding flange portion is folded in the longitudinal direction and thus forms at least two parallel, mutually separated slots having openings facing away from the erected flange portion. coverings.

In a preferred embodiment of the flashing kit, particularly for use in connection with roofing having a trapezoidal or rib-like profile, the openings of the mutually separated slots are adapted to the shape of the roofing profile to allow the edge portion of the roofing to be introduced into one of the slots.

Preferably, the gap aperture distance is 10-15 mm greater than the distance between two adjacent flat lower sections of the profile shape of the covering.

According to a further embodiment of the invention the essence of the hemming kit of the type mentioned at the outset is that the protruding flange part consists of a first piece formed integrally with the erected flange part and formed with a first slot having an opening facing away from the erected flange part and into said opening in the first panel, the second panel being formed with a second slot for introducing an edge portion of the covering.

Preferably, the second portion is a flat edge transition piece that is inserted into the first slot in the mounted position, the flat edge having a width to allow the edge portion of the covering to be introduced into the slot of the second sheet independently of the shape of the covering.

Preferably, the outer edge of the protruding flange portion to be placed under the roofing is provided with a bent flap to stop water from penetrating below the roofing.

Preferably, the top flashing member, coupled to the top of the main frame to form the upper eaves, is provided at the ends with an upright flange portion and a protruding flange portion to overlap the corresponding flange portions of the side flashing members connected to the side portions of the main frame when the flashing assembly is fitted.

Preferably, the lower flashing member for connection to the lower portion of the main frame is provided at its ends with an erected flange and a protruding flange portion over which the corresponding flange portions of the side flashing members engage the side portions of the main frame when the flashing kit is fitted.

Preferably, the lower flashing member for connection to the lower portion of the main frame at the lower portion of its protruding flange portion is provided with a flange formed of plastically deformable material and with a width to cover the lower covering to which it is tightly molded.

Preferably, the flashing elements are made of sheet metal.

Preferably, the flashing elements are formed of a synthetic material.

The invention will be explained in more detail below with reference to the accompanying schematic drawings.

-2GB 290545 B6

BRIEF DESCRIPTION OF THE DRAWINGS

Giant. 1 is a perspective view of a window that is embedded in a profiled metal roof and which is surrounded by a flashing assembly according to the invention;

Giant. 2 is a larger-scale view of a detail of a flashing kit according to the invention;

Giant. 3 is a larger-scale view of another detail of a flashing kit according to the invention;

Giant. 4 is a cross-sectional view along the line IV-IV in FIG. 1;

Giant. 5 is the same view as FIG. 4 but with a different profile of the metal covering; and

Giant. 6 is a larger-scale view of a detail of a flashing kit according to another embodiment of the invention.

DETAILED DESCRIPTION OF THE INVENTION

The window 1 shown in FIG. 1 is a sunroof embedded in an inclined roof having a roofing 2 made of thin metal sheets 2a with a profile 3 extending in the roof slope direction, the profile 3 consisting of flat lower sections 2b and erected ribs. 2c, 2d (FIG. 4). The window J consists of a sheet 4, a glass-supporting window frame 5 and a main frame 6, which consists of an upper part 6a, a lower part 6b and two side parts 6c, 6d. The main frame 6 is connected to the roofing 2 by a flashing kit 7 which is inserted on one side under the outer casing 8 of the main frame 6 and on the other side is connected to the roofing 2 so that water from rain, for example, cannot penetrate.

The flashing kit 7 consists of an upper flashing element 9 serving for connection with the upper part 6a of the main frame 6 and forming a gutter on the upper part of the window 7, two lateral flashing elements 10a, 10b for connection with the side parts 6c, 6d of the main frame 6 and a flanging element 11 for connection to the lower part 6b of the main frame 6. The flanging element 11 is provided with an upright flange 11b and a protruding flange portion 11a extending in the plane of the covering 2, which can be covered by respective flange portions on the side flanging elements 10a. The hemming element 11 is further provided with a leading edge and a plastically deformable skirt 11d, which may be made of lead or other deformable material. The skirt 11d is positioned above the covering 2 lying underneath it and is airtightly formed thereon. The upper flashing element 9 is provided with lateral portions extending outwardly in the eaves extension and comprising, in the mounted gutter position, an erected flange portion 9b and a flange portion 9a that extends into the covering plane 2 and overlaps the lateral flashing on each side The water collected in the gutter of the top flashing member 9 is guided around the upper corners of the main frame 6, down along the side portions 6c, 6d of the main frame 6, over the front edge 11c and the skirt 11b and out roofing 2.

FIG. 2 shows one side flashing element 10a of the flashing assembly 7 having a substantially L-shaped cross-section, wherein the erected flange portion 12 having an inwardly bent flap 12a is adapted to be placed under the outer casing 8 of the main frame 6 and fastening to the side portion 6c of the main frame 6 (see FIG. 4). The protruding flange portion 13, which, when mounted parallel to the roof surface, is provided in the illustrated embodiment with a first slot 14a and a second slot 14b that extend longitudinally and are formed by two consecutive folds. The slots 14a, 14b have openings facing away from the window J and are adapted to receive and secure the edge portion 15 of the metal sheet 2a of the roofing 2 closest to the window J, as shown in Fig. 4. Depending on the location of the ribs 2c, 2d of the profile 3 A metal sheet may be provided with respect to the covering 2 relative to the window J

-3 CZ 290545 B6

2a engage one or the other of these slots 14a. 14b. The protruding flange portion 13 is adapted at the end to secure the side flashing member 10a to the lower roof structure by means of clips (not shown) and is further provided with a bent flap 13a. forming a stop for the water to penetrate under the covering 2 when the flashing is installed.

FIG. 3 illustrates how the upper flashing member 9 is coupled to the side flashing member 10a on the side panel 6c for connection to the upper portion 6a of the main frame 6 and to form a gutter. 6d of the main frame 6. At the ends, the top flashing member 9 is provided with an erected flange portion 9b and a projecting flange portion 9a that extends over the respective flange portion 12, 13 of the side flashing member 10a. To this end, the protruding flange portion 9a is provided with two slots corresponding to the slots 14a, 14b. Similarly, the connection (not shown) between the side flashing elements 10a, 10b and the bottom flashing element 11 of the flashing assembly 7 is similarly accomplished by forming the protruding flange portion 11a of the bottom flashing element 11 with two slots.

FIG. 4 shows a cross-section through a window 1 with a skirt assembly 7 and a rib roofing 2 in which the lines 15 of the flat lower section 2b of the skirt 2 are inserted into the first slot 14a of the side skirt element 10a of the skirt 7. The broken line shows how the edge of the metal sheet 2a can be inserted into the second slot 14b in another position of the ribs 2c, 2d of the profile 3. The metal sheets 2a forming the roofing 2 extend in the roof slope direction, have a U-shaped cross section and a flat lower section 2b and erected ribs 2c, 2d at opposite side edges, one erected rib 2d being provided with a fold for engagement with the second erected rib 2c of the adjacent sheet 2a, whereby the two adjacent sheets 2a are secured to each other by snap engagement.

Giant. 5 shows a covering whose profile has the shape of a trapezoid 2a 'having flat, longitudinal lower sections 2b' and erected ribs 2c ', 2d'. which diverge upwardly and at the top are connected to the rib 2d ', 2c' of the adjacent part by means of the upper section 2e '. As shown, the upper and lower sections 2e 'and 2b' may have the same width, but it is also possible for one of these sections 2b ', 2e' to be smaller than the other. The solid line illustrates how a portion of the lower section 2b 'of the trapezoid 2a' is inserted into the second slot 14b of the side flashing element 10a of the flashing assembly 7, while the broken line shows another lower section 2b 'inserted into the first slot 14a. The gap between the apertures 14a and 14b is 10 to 15 mm greater than the distance between two adjacent lower sections 2b 'of the roofing profile to ensure a suitable overlap between the roofing and the flashing, since one of the flat lower sections 2b can be trimmed so that its edge portion 15 can be inserted into the first and second slots 14a, 14b.

Giant. 6 shows another embodiment of a side flashing member 10a of a flashing kit 7 in which the erected flange portion 12 comprising a bent flap 12a is constructed as in the embodiment shown in FIG. 2. However, the protruding flange portion 13 is bifurcated and consists of a first piece 20; and the second part 22 in the form of an extension comprising a slot 14 intended to connect the edge portion 15 of the sheet 2 to the first part 20. The extension is connected to the first part 20 so that its flat edge 23 is inserted into the slot 21 of the first part 20, which has the same shape and is formed in the same way as the slot 14. As in the embodiment shown in FIG. 2, the extension consists of a bent flap 13a which prevents water from penetrating under the covering 2.

Adapting to different shapes of the roofing 2 is effected by cutting the flat edge 23 of the extension at a suitable distance from the slot 14. It is further possible that the slot 21 of the first panel 20 forms a receiving slot for the edge portion 15 of the roofing 2. 20 at the outer edge provided with a bent flap 13a 'which, when using the extension piece 22, bends completely down to the upper side of the outer edge of the first piece 20, whereupon the outer edge is secured to the roof substructure before the extension is inserted into the slot 21 and finally the edge portion 15 of the roofing 2 is inserted into the slot 14. This will increase the strength of the fastening of the roofing 2 to the substructure of the roofs.

-4GB 290545 B6

This embodiment of the side flashing member 10a of the flashing kit 7 can additionally be used as the flashing member at the lower part 6b of the main frame 6. In this case the side flashing member 10a is inserted with its erected flange portion 12 under the outer casing 8 of the main frame 6 and The flat connector, the length of which corresponds to the width of the window 1, is placed under the lower part 6b of the main frame 6 and the upper longitudinal part of the connector is inserted into the slot 14 of the first part 20 and the opposite part is placed over the roofing. to use the extension forming the second part 22 to adapt the flashing to different distances between the lower part 6b of the main frame 6 and the roofing 2 under the window T If the side flashing element 10a is used as the flashing element on the lower part 6b of the main frame 6 together with the flat connection piece; possibly in conjunction with the attachment, this will achieve the advantage e can be completely dispensed with by using a rim 1 ld.

The flashing can also be made of a synthetic material such as plastic or rubber, where the individual parts can be glued together or welded together in the overlapped parts.

The flashing kit according to the invention is usable in conjunction with roof sections that extend through the sheet. Examples of such roof sections are skylights, fixed or openable skylights, solar collectors, chimneys, ventilation ducts or installations.

PATENT CLAIMS

Claims (11)

A flashing kit for placing a roof piece in a roof having a thin sheet (2), in particular a roof window, provided with a rectangular main frame (6) consisting of an upper part (6a), two side parts (6c, 6d) and a lower a part (6b), wherein the flashing assembly (7) consists of flashing elements (9, 10a, lob, 11) intended to be connected to parts (6a, 6c, 6d, 6b) of the main frame (6) and made of sheet material, the flashing elements (10a, 10b) intended to be connected to the side portions (6c, 6d) of the main frame (6) have an L-shaped cross section with an upright flange portion (12) which abuts the side portion (6c) in the mounted position; 6d) of the main frame (6), and with the protruding flange portion (13) being mounted parallel to the roof surface in the mounted position, characterized in that the protruding flange portion (13) is folded in the longitudinal direction to form and at least two parallel, mutually separated slots (14a, 14b) having openings facing away from the erected flange portion (12) for introducing the edge portion (15) of the thin sheet covering (2). The flashing kit according to claim 1, in particular for use in connection with coverings having a trapezoidal or ribbed shape in profile, characterized in that the openings of the mutually separated slots (14a, 14b) are adapted to the shape of the profile (3) of the covering (2). to allow the edge portion (15) of the covering (2) to be inserted into one of the slots (14a, 14b). The flashing kit according to claim 2, characterized in that the gap opening of the slot (14a, 14b) is 10 to 15 mm greater than the distance between two adjacent flat lower sections (2b, 2b ') of the profile (3) of the covering (2). ). A flashing kit for placing a roof piece in a roof having a thin sheet (2), in particular a roof window provided with a rectangular main frame (6) consisting of an upper part (6a), two side parts (6c, 6d) and a lower one. a part (6b), wherein the flashing assembly (7) consists of flashing elements (9, 10a, 10b, 11) for connection with parts (6a, 6c, 6d, 6b) of the main frame (6) and made of sheet material, edging elements (10a, 10b), Intended for connection to the side portions (6c, 6d) of the main frame (6), having an L-shaped cross section with an upright flange portion (12) which abuts the side portion (6c, 6d) in the mounted position. a main frame (6), and with a protruding flange portion (13) which is mounted parallel to the roof surface in the mounted position, characterized in that the protruding flange portion (13) consists of a first piece (20) integral with the erection a flange portion (12) and formed with the first slot (21). having an opening facing away from the erected flange portion (12) and a second portion (22) introduced into said opening in the beer portion (20), the second portion (22) being formed with a second slot (14) for introducing the edge portion (22). 15) coverings (2). A flashing assembly according to claim 4, characterized in that the second part (22) forms a transition piece with a flat edge (23) which is inserted into the first slot (21) in the mounted position, the flat edge (23) has a width to allow the edge portion (15) of the covering (2) to be introduced into the slot (14) of the second part (22) independently of the shape of the covering (2). A flashing kit according to any one of the preceding claims, characterized in that the outer edge of the protruding flange portion (13) to be placed on the roofing (2) is provided with a bent flap (13a) to stop water from penetrating below the roofing (2). The flashing kit according to any one of the preceding claims, characterized in that the upper flashing member (9), connected to the upper part (6a) of the main frame (6) to form the upper eaves, is provided at its ends with an erected flange part (9b). a protruding flange portion (9a) for covering corresponding flange portions (12, 13) of the side flashing members (10a, 10b) connected to the side portions (6c, 6d) of the main frame (6) when the flashing kit (7) is fitted. The flashing assembly according to any one of the preceding claims, characterized in that the lower flashing element (11) for connection to the lower part of the main frame (6) is provided at its ends with an erected flange (11b) and a protruding flange part (11a) over which extend beyond the corresponding flange portions (12, 13) of the side flashing elements (10a, 10b) connected to the side portions (6c, 6d) of the main frame (6) when the flashing assembly (7) is fitted. The flashing assembly according to claim 8, characterized in that the lower flashing element (11) for connection to the lower part (6b) of the main frame (6) is provided with a flange (11d) formed at the lower part of its protruding flange part (11a). made of plastically deformable material and with a width to cover the lower covering (2) to which it is tightly molded. The flashing kit according to any one of the preceding claims, characterized in that the flashing elements (9, 10a, 10b, 11) are made of sheet metal. The flashing kit according to any one of the preceding claims, characterized in that the flashing elements (9, 10a, 10b, 11) are made of synthetic material. 4 drawings