Step 1 prep work.
Flat roof roofing felt.
Felt roofing also known as tar paper is traditionally installed using hot bitumen to create a secure bond between the roof and the felt.
This guide will use the more durable 30 roofing felt although you can use 15 felt.
Bitumen in terms of materials please note that there are several different weights for the roofing felt.
Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof.
Here are simple steps to get you started.
Roof felt adhesive e g.
Ideal for an apex flat or pent roof shed felt and roofing membrane are durable and perfect for a newly built structure or to re cover existing roofing material.
The hot applied asphalt or coal tar pitch blends with the bitumen soaked roof felt and creates a monolithic roof membrane.
30 pound roofing felt also known as 30 roofing felt plywood planks.
Built up roofs are installed using several layers of a special type of roofing felt that has been asphalt impregnated and embedded in bitumen applied with a hot mop.
However it wasn t particularly long lasting or durable so torch on felt was created.
Step by step guide for felting a flat roof.
Felt is laid on a flat roof to help keep the roofing system waterproof.
The substance itself is made from bitumen which comes from the distillation of crude oil that has been either mixed with sand or crushed limestone.
While laying felt is not an easy job it can be done by anyone who has the patience to deal with it.