Shed felt only usually lasts a few years before it needs to be replaced. But you don’t have to worry if you’ve never done it before as it’s really easy.

The old shed felt should be removed and any timber roofing that’s damp should always be replaced before refelting. Start at the lower roof level and pull the sheet across the roof. Cut to size and tack in place using clout nails around the edge of the felt. Do the same on the other side of the roof and finally add the apex piece of felt, making sure the felt overlaps the first two pieces of felt you have fitted, so no water can penetrate the surface. If needed you can always apply bitumen or gutter sealer to the edges to make sure no water can get in and your shed will be as good as new for another few years.