Replacing shed roof felt is one of the simplest and most cost-effective DIY shed maintenance jobs you can do. If your shed roof is leaking, lifting, or damaged, this guide will show you exactly how to replace shed roof felt properly. Even if you’re a beginner. This guide is written specifically for wooden garden sheds in the UK, including Puffin Sheds.
You should replace your shed roof felt if you notice:
⚠️ Ignoring damaged felt can lead to roof board rot, which is far more expensive than replacing felt early. May lead to replacing the entire shed.
Before you start, gather the following tools and materials:
💡 Tip: Mineral felt lasts significantly longer than standard felt and is recommended for UK weather.
Carefully remove all existing felt and nails using a claw hammer or pry bar. Dispose of old felt responsibly and make sure the roof surface is clean.
Check the timber roof boards underneath:
A solid roof base is essential for a long-lasting felt roof.
Roll out the new felt and cut sections allowing:
Never stretch the felt — it should sit naturally.
Start at the lowest edge of the shed roof:
This prevents water from running underneath.
Lay each new strip overlapping the previous one by at least 50mm.
Only nail through the upper edge to avoid leaks.
Fold the felt neatly over the edges of the roof and secure underneath. Trim excess felt with a sharp knife for a clean finish.
| Felt Type | Average Lifespan |
|---|---|
| Standard Shed Felt | 3–5 years |
| Heavy-Duty / Mineral Felt | 8–10 years |
Proper installation and annual checks can extend lifespan significantly.
Yes. Shed roof felt replacement is a beginner-friendly DIY job and usually takes 1–2 hours for a standard garden shed.
Mineral felt is the best option for UK sheds due to its durability and weather resistance.
Yes. Always remove old felt to prevent moisture build-up and ensure proper adhesion.
Every 5–10 years, depending on felt quality and weather exposure.
Replacing shed roof felt is one of the best maintenance jobs you can do to protect your wooden shed. Done correctly, it prevents leaks, rot, and costly repairs. Keeping your Puffin Shed dry and secure year-round.
