The first step in felting a shed roof either angled or flat is calculating the exact dimensions of your roof.
How do you put felt on a shed roof.
This extra length will be folded over and nailed to the battens so that any water will drip off the edge without getting the wood wet.
Typically roofs with a lower slope need overlapping underlayment.
The process of felting a shed roof.
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Or you can purchase one roll of 15 felt and add two layers.
The roofing felt should be applied in layers that overlap.
Remove the old felt.
Start at the bottom of the roofline and work up so any water that gets through the roofing material will shed down the tar paper and will not go under it.
Remove any existing timber fascia boards.
Tidy up the overhanging felt.
After this fold the felt down in this section and secure at 10 cm intervals along the gable.
Cut lengths of shed roof felt to match the long side of the roof be sure to add 2 to 3 inches to the length at each end.
Start by measuring the length and width of one side of the roof in.
How to felt a shed roof.
You can t have too many nails holding your felt down a loose edge will eventually rip if it s caught by a strong wind.
Measure the roof of your shed.
This will give you extra felt to hang over.
As before tack it in place then add more clouts between the tacking.
One roll of 15 felt is more than enough for most sheds unless it is unusually large.
As you work the paper can be tacked down in the center so it won t blow away.
Calculate the area of your roof by combining the area of each surface.
Cutting your felt pieces.
Use a craft knife to cut a slit in the felt overhang at the apex of the shed roof.
Fold down the felt at each corner of the roof then nail it securely.
Clean and prepare the roof.
If you are building a shed that isn t the size of a house which most of us are then a single roll of 30 felt may be enough.
Buy the roof felt.
Apply the felt to the roof.
Add about 2 inches 5 cm to each of your measurements before calculating the area.