For most sheds you ll need to cut 3 pieces of felt.
Felting a pent roof shed.
Fix the overhanging felt using galvanised nails at 50mm.
2 the process of felting a shed roof.
Add new felt layers.
Roll out the first layer of felt.
You can pull away the felt from the roof of your shed after removing the nails.
See image a then roll over the next piece making sure that there is enough overlap to prevent any leaks.
Replacing felt on a flat roof.
Position this strip so that it overhangs the top of the first sheet by 75mm.
Attach the first piece of felt to the low side of the roof and secure tightly with the clout nails provided.
Buy the roof felt.
Ideal for an apex flat or pent roof shed felt and roofing membrane are durable and perfect for a newly built structure or to re cover existing roofing material.
Remember to check the top of your roof for old nails which will need removing before applying your new roofing felt.
Take your second length of felt.
If your shed has a pent roof flat with no ridge you can apply the felt in exactly the same way as you would for one side of a pitched roof.
Start at the lowest edge and nail your felt along the facia.
How to felt a pent roof roll out the felt and cut to size.
Nail along the top of this strip at 500mm.
Clean and prepare the roof.
A flat roof is more likely to allow rain to pool and this can cause damage especially if the roof is made of a porous substance like wood.
Now you can remove your old felt roof using a flat pry bar or claw hammer to release the felt roof nails holding your roofing felt.
Allow for felt overhang.
Spread the felt flat onto the roof and nail along the top edge of the felt.
To attach roof felt on a shed start by calculating the area of your roof and buying enough felt to cover it.
For easier cutting unroll the material on a flat surface and use a hooked blade knife to cut the felt to the size of your shed s roof.
In the case of a shed roof a layer of roofing felt usually offsets the porosity of the wood.
Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof.
Tack and secure the felt.
You ll need enough felt to cover the entire area of the roof with a little extra on each edge around 5cm to allow for overlaps at the eaves and at the gable ends approximately 7 5cm.
Watch our step by step video showing how to felt a shed roof with expert advice and top tips to help you complete the job with confidence.
1 what you will need when felting a shed roof.
The reason for a pitched roof is to cause rain to run off the roof surface.
Fix the next length of shed felt.