Bituminous felt is a form of waterproof sheeting that is used to cover flat roofs or as an underlay beneath slate or tile roofing.
Roofing felt for garage flat roofs.
Make sure the roof is clean dry and that all nail heads are flush with the deck.
The essentials of these steps are.
Felt roofing also known as tar paper is traditionally installed using hot bitumen to create a secure bond between the roof and the felt.
Roofing felt is one of the more popular and traditional methods of creating a flat roof.
While laying felt is not an easy job it can be done by anyone who has the patience to deal with it.
Typically it s applied as a 3 layer system usually consisting of a perforated underlay a 2mm underlay layer then thick 4 5mm felt.
Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof.
Ladder utility knife tape measure trowel 30 pound roofing felt also known as 30 roofing felt plywood planks galvanized nails roof felt adhesive e g.
Preparing the roof for the felt to be laid laying the first rug felt laying the second boded padding felt as well as adding any kind of rain gutter drips laying the top bound layer of felt installing any type of verge edge as well as edging to any type of flashings.
Step 1 prep work.
The product can be used as a waterproofing coating on asphalt fibre cement sheeting concrete and bituminous roofing membranes.
The underlying deck must be constructed of moisture tolerant materials such as 18mm wbp plywood or suitable chipboard stirling board on treated timber joists.
However it wasn t particularly long lasting or durable so torch on felt was created.
Felt is laid on a flat roof to help keep the roofing system waterproof.
Here are simple steps to get you started.
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.
This type of felt roof comes on rolls and is laid with the aid of a very large blow torch that heats and melts the rear of the felt melting it onto the roof structure below.
Light weight shed roofing felt is not suitable for flat roof construction.