Firrings For Flat Roof

Product enquiry form tapered timber firring for flat roofs 50mm to 0mm 3 6m length pack of 2 name telephone email quantity required date required comments signup for deal emails optional.

Firrings for flat roof.

Typically they are designed to a fall of 1 40 which given on site inaccuracies should result in a minimum fall of 1 80 in the finished construction. Pressure preservative treated with tanalith e for a durable finish. Any typical mall warehouse apartment building. 91mm to 2mm is the fall.

Firrings are normally the same width and length of the joists although the length might have to be achieved with two separate pieces of timber it is difficult to machine lengths over 4 8 metres in length. Firrings are used in the construction of flat roofs to create a fall ensuring that water runs to the lower side. Finished size 88 x 4mm starts at 88mm thick sloping down to 12mm. Available in a range of finished sizes and lengths.

Then there is sufficient slope to the roof before the ply or osb of the flat roof known as a roofing deck is laid. A correctly build flat roof will drain the rainwater quickly and effectively into the gutters without allowing water to collect in depressions and pond on the surface of the roof leading to the build up of silt deposits on the roof and stresses in the membrane when the water freezes a small amount of ponding is inevitable and it should not reduce the. Our treated timber firing is of the very best has been treated with omose naturewood and undergoes a preservative process of drying treating and drying again. Firrings are sometimes referred to as furring strips or furrings.

Firrings are cut through the length of the timber to create a slope when laid on top of roof joists for a flat roof before being covered with osb or ply then finally felt. Roof firrings selco sterling osb3 board flooring 2400 x duane daniels if you have a flat roof there is probably a leak in it or there will be in the future. Flat roofs are a familiar sight throughout north america. For use in the construction of flat roofs enables the water to run off due to the angle they create.

Firrings strips are used on flat roofs to create a slope for the rain to fall off. Flat roof drainage. Other treated timber including battens are pressure preservative treated with tanalith e and roof battens are completed to bs5534. These can easily be cut down to your desired length below is a quick chart to let you know the height at the various lengths.

This is for one single length of firring strip. Length of 4 8m x 44mm wide. Timber firings are used in the construction of flat roofs to create a fall ensuring that water runs to the lower side.