Removing and replacing the decking and you can expect the work to take around 7 or 8 hours.
How to felt a flat roof on a garage.
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.
Conclusions on felting a flat roof.
Here are simple steps to get you started.
Beginning with the removal of the old roofing felt this.
Step 1 prep work.
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.
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.
The underlying deck must be constructed of moisture tolerant materials such as 18mm wbp plywood or suitable chipboard stirling board on treated timber joists.
Light weight shed roofing felt is not suitable for flat roof construction.
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.
This video shows a typical flat roof replacement carried out by argyle roofing based in london uk.
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.