How To Felt A Flat Roof On A Garage

A double garage flat roof will take a day if you only replace the felt but with the decking too allow a day and a half.

How to felt a flat roof on a garage.

While laying felt is not an easy job it can be done by anyone who has the patience to deal with it. A single garage roof without decking will take about 4 hours. Felt is laid on a flat roof to help keep the roofing system waterproof. Here are simple steps to get you started.

Step 1 prep work. Generally felt underlay roof jobs by integrating 2 or 3 layers of material with each other to make an impervious barrier that is after that coated with a water resistant finishing material to further shield the felt. Laying down felt on a flat roof is an easy and effective way to improve the strength and durability of an outdoor structure like a garage or shed. If you are thinking about refelting a roof or replacing a layer of felt take care that you use the appropriate type of roof felt and adhesive.

Removing and replacing the decking and you can expect the work to take around 7 or 8 hours. Check to ensure the roof is in good enough condition to walk over. Felt roofing is a really common product used on flat roof coverings such as garages yard sheds as well as on extensions. This video shows a typical flat roof replacement carried out by argyle roofing based in london uk.

Light weight shed roofing felt is not suitable for flat roof construction. The underlying deck must be constructed of moisture tolerant materials such as 18mm wbp plywood or suitable chipboard stirling board on treated timber joists.