Old Felt Flat Roof

There are many different types of flat roofing systems available each one with their own pros and cons.

Old felt flat roof.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. You wan walk over the roof to remove any air bubbles that may form. Hope all goes well. Item 656632 model 0903000.

Lay down felt and secure to roof. Applying roofing felt on flat roof is relatively simple and it s safer than working on a peaked roof. Unlike a steep roof laying roofing felt on a flat roof is easy for even novice do it. It s best to start nailing in the center and work out from there.

You will be placing the second layer of felt over this. Also you will need to remove any old felt on the roof as well as any nails or roof staples. Roofing felt is one of the oldest available options and advances made in the past decade or so have begun to move more towards the torch on approach. The old felt should be stripped off and the boarding aswell so you have a clean service for rubber or you can primer for a fibreglass roof.

There needs to be an overlap in the felt to help increase the water tight quality. This is done to ensure a flat surface for the roof felt. But if the felt roof is done with good thickness high performance felt it should last a long time depending on when it was done.