How To Hot Felt A Flat Roof
Step 1 prep work.
How to hot felt a flat roof. Follow the steps below to learn more the basics of roof felt installation and what is required before undertaking this type of roofing project. You can either measure the roof from the ground or by standing on a ladder and actually going. How to lay felt on a flat roof. Installing the roofing felt does take care but can go very quickly.
Remove any debris that may interfere with the installation process. Step 2 placing the felt. Step by step guide for felting a flat roof step 1. This video walks you through the steps in installing and torching felt drips on a roof and making sure it sticks well to avoid water getting underneath.
Apply two coats of bright white elastomeric paint to your flat roof to increase its solar reflectivity. Generally felt underlay roof works by combining two or three layers of material together to make an impenetrable barrier that is then coated with a waterproof finishing material to further protect the felt. Tests of heat reduction with elastomeric paint show a 60 to 75 percent improvement in how much it reflects sunlight and heat which translates to dramatic cost savings on energy used to cool your home. Felt roofing is a very common material used on flat roofs such as garages garden sheds and on extensions.
These thick layers of roofing felt are installed by heating the back of the felt with a butane torch and then carefully applying it to the roof. Check to ensure the roof is in good enough condition to walk over. You must remove any rotted pieces of wood on the roof and replace them with your plywood. Secure metal flashing at the edges of the roof before primer is applied.
Applying a iko 2mm torch on underlay followed by a iko 4mm mineral felt cap sheet www topgraderoofing ie.