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.
How to felt a flat roof on a garage.
Light weight shed roofing felt is not suitable for flat roof construction.
Here are simple steps to get you started.
A single garage roof without decking will take about 4 hours.
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.
While laying felt is not an easy job it can be done by anyone who has the patience to deal with it.
Make sure the roof is clean dry and that all nail heads are flush with the deck.
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.
Check to ensure the roof is in good enough condition to walk over.
Conclusions on felting a flat roof.
Beginning with the removal of the old roofing felt this.
Felt roofing is a really common product used on flat roof coverings such as garages yard sheds as well as on extensions.
Removing and replacing the decking and you can expect the work to take around 7 or 8 hours.
Step 1 prep work.
This video shows a typical flat roof replacement carried out by argyle roofing based in london uk.