How To Lay A Flat Roof Uk

This ethylene propylene diene monomer rubber covering is very versatile long lasting and very strong.

How to lay a flat roof uk.

This depends on the site upon which the structure has been built. The preferred design of a flat roof fall is 1 40 although this can vary and be anywhere down to 1 80. Unless the flat roof is a new build you will be replacing an existing flat roof normally a felt roof such as built up bitumen or asphalt. You will be looking for any decking that has rotted or bowed.

Step 1 prep work. How to lay felt on a flat roof. The starting point involves laying roofing joists across the two upright items which in most cases will be the walls of the structure. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.

Step 2 placing the felt. This will give additional stability to the roof structure. As described earlier these substances are a contaminate to the glues used in epdm and the membrane itself with direct long term contact. This video shows a typical flat roof replacement carried out by argyle roofing based in london uk.

This flat roof covering can be roofing felt usually 3 layers with a mineral chipping topping to soak up the heat of the sun which protects the felt from both melting and breakdown under uv rays. Roll out the felt. Roll back one half of the length of the sheet to the centre of the roof taking care to maintain the sheet alignment. Following the manufacturer s instructions apply the adhesive to the first nailed layer.

Garage porch flat roofing. Flat roofs were uncommon in the uk until after the second world war. We wanted somewhere for some wildlife to have bees etc 3. Align measure and cut it to length.

Beginning with the removal of the old roofing felt this. Check to ensure the roof is in good enough condition to walk over. Full replacement or over boarding of a roof deck. The flat roof covering can also be epdm.

There are key differences between constructing a flat roof compared to a pitched roof and it s important to understand the basic criteria. For additional stability you can also use steel joists that are built into one or both of the walls.