Garden & Outdoors guide

Re-felt a leaking shed roof

Strip old felt, repair the roof boards and lay new shed felt with proper overlaps and edges so your shed stays dry through autumn and winter storms.

Estimated time: half a day for a typical small shedUpdated: 1 October 2026

Use this guide for a timber shed with a felt roof that leaks, has torn or blistered felt, or bare boards showing. Choose a dry, mild day, as felt is easier to work and less likely to crack when warm. Have shed felt, felt adhesive, galvanised clout nails, a hammer, a craft knife, a claw hammer or pry bar, gloves, a tape measure and a sturdy stepladder ready.

Step by step

  1. Check the roof is felt and safe to work on

    Confirm the roof is timber boards covered in felt. Older sheds and garages sometimes have corrugated cement sheet roofs that may contain asbestos; do not cut, drill or break these, and ask your local council about safe disposal or get a specialist to check. Never stand or kneel on a shed roof: work from a stable stepladder on firm ground and move it rather than overreaching.

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