Have a good look at the exposed timber especially where there were holes in the felt and make sure.
How to replace a shed roof felt.
Laying the new felt ridged.
A hammer a craft knife preferably with a hooked blade but not essential an old 2 brush and a flat pry bar as seen in my roofing tools section will help.
Remove excess felt nails and adhesive before replacing the felt on your flat roof.
The first step in felting a shed roof either angled or flat is calculating the exact dimensions of your roof.
Apply the felt to the roof.
Remove any existing timber fascia boards.
There should be no extra debri of any kind on the decking before you begin.
Paint a layer of adhesive such as bitumen mastic over the top of the first felt layer a length at a time.
The real beauty of installing a professional quality roofing felt to a shed roof is the utter lack of specialist tools required unlike other high performance roof coverings.
Replacing shed roof felt removing the old felt and nails.
The process of felting a shed roof.
Remove the old felt.
The first thing you need to do is remove the old worn felt from the roof.
The second layer of felt is then placed over the top of the first.
Roll out the first layer of felt.
Measure the roof of your shed.
How to felt a shed roof.
Buy the roof felt.
When you are felting a sloped roof you start at the bottom and work your way up so that rain pours over the top of the laps and not under them.
Tidy up the overhanging felt.