FI64220C - TAETNING FOER ROTAENDAN AV ETT GENOM ETT YTTERTAK UTSKJUTANDE UTSPRAONG - Google Patents

Description

! 64220 The present invention relates to a seal for the root of a protrusion through a chimney or other gable roof, i.e. a rain collar, the purpose of which is to form a sufficient seal in the junction of a gutter and a protrusion through a chimney or other gutter such as a ventilation pipe. In most cases, such sealing work is carried out on the construction site with seals made of different materials, which are glued, for example, with asphalt glue to the roofing material of the roof and the chimney or a similar projection. A variety of ready-made through-collars made for this purpose are also available. Usually they have to be made separately for different roof pitches, and often they are also quite expensive building components compared to the rest of the roofing.

The object of the invention is to reduce the above-mentioned drawbacks, which is achieved by a root seal of a chimney or other water roof projection according to the invention, the features of which are set out in claim 1.

The invention will be explained in more detail below with reference to the accompanying drawing, in which Fig. 1 shows a root seal blank according to the invention before installation for a circular cross-sectional shape of a roof for, Fig. 4 shows the seal Just before placing the round chimney or the like, Fig. 5 shows the seal when moved downwards along the surface of the round chimney, And Fig. 6 shows the root seal in place as an oblique rain roof and chimney root seal.

The seal 1 for the outer diameter of the round chimney according to Fig. 1, i.e. at this stage still the blank, as will be systematically mentioned below, is made of e.g. 1.5 mm thick butyl rubber with an elongation at break of over 300% over a wide temperature range, as is good for butyl rubber . The blank 1 has a circular opening 2 with a diameter of only about half the outer diameter of the chimney. When the blank 1 is pulled around the chimney 3 as shown in Figs. For large diameters, the hole 2 in the blank 1 may be relatively larger, so that the collar does not become unnecessarily high and for small diameters, such as the roots of toilet ventilation pipes, the hole 2 may be less than 1/3 of the outside diameter of the pipe under different conditions of elongation at break. being more than 300%.

With a sloping water roof, the seal can be pulled to an oblique position according to the roof, as shown in Figure 6.

The plate part 1 of the seal in Fig. 6 is sealed to the felt ceiling simply by gluing with some asphalt adhesive. The collar 4 formed during installation generally does not need to be glued to the casing of a round pipe or chimney, as it provides a good seal with its own compressive force. The collar of the glue mat allows the building to descend if necessary (log houses). When using a brick roof or profiled roofing materials, the flexible sealing plate 1 in Fig. 6 can be glued according to the profile of the roofing material. In a brick roof, the upper edge 5 of the sealing plate 1 is placed under the bricks in the usual way. The blank 1 can also be vulcanized according to the profile of the roofing material, whereby it is easy to glue or otherwise neatly attach to the roofing material.

Figure 2 shows a blank 1 formed as a seal with a collar 4 pressed onto a chimney or a similar jacket. Figure 3 shows a blank 6 for a rectangular chimney cross-section, in which the opening 7 of the blank 6 is shaped to seal a rectangular cross-sectional surface. For a square cross-section, a circular opening 2 in Figure 1 can also be used. A rectangular cross-section usually requires gluing to the surface of a chimney or similar protrusion in the usual way. The opening 2 or 7 can be shaped in many different ways depending on the cross-section of the protrusion root And other factors.

The invention is not limited to the application examples presented above, but the details may vary considerably within the scope of the claims.

Claims (5)

A seal for the root of a chimney or other projection through a chimney, formed by a flexible plate-like part (1) following the water roof and differently watertightly attached to it, depending on the roof material, and a cylindrical or other protruding part ), characterized in that the root seal is formed by a blank plate (1) made of stretchable rubber, synthetic rubber or other similar stretchable material, in which the blank plate has a circular or other shaped hole (2, 7) substantially smaller than the outer surface dimension of each chimney. or placed on top of a corresponding protrusion is forced to extend larger around the chimney or the like, forming a cylindrical or other surrounding protruding collar portion (il) which, when pressed downwards, compresses tightly into the chimney or the like, the height of the protrusion depends on the size of the above-mentioned hole in the blank and on the cross-sectional outer dimension of the chimney or the like to be surrounded and sealed. Root seal according to Claim 1, characterized in that the blank (1) is planar. Root seal according to Claim 1, characterized in that the blank (1) is vulcanized or otherwise made in a corrugated or other shape corresponding to the profile of the roof of the water roof. Root seal according to Claim 1, characterized in that the hole (2) in the blank plate (1) is made in a shape which follows the cross-sectional profile of the projection. 1. The method of rotating the genome or the other genome of the active substance, which is the same as in the case of the present invention (1) and in particular yttertaket utskjutande skorsten eller motsvarande utspräng oc har harma form som som om omvvna utkpränget kännetecknad av att rotandans tätning utgörs av en av töbart gummi, synthetic