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Highline Property Roofing > Blog > Roofing > How to Felt a Shed Roof in 6 Quick and Easy Steps

How to Felt a Shed Roof in 6 Quick and Easy Steps

Posted by: HLPR 25 February 2025 No Comments
How to felt a shed roof in 6 Quick and easy steps

Felt roofing is an essential part of maintaining a sturdy, weatherproof shed. Whether you’re building a new shed or refurbishing an old one, applying shed roof felt ensures protection from rain, wind, and general wear. In this guide, we’ll walk you through how to felt a shed roof, including materials, step-by-step instructions, and expert tips to make your shed last for years.

Why Use Felt for a Shed Roof?

Before diving into the installation process, let’s explore why roofing felt for sheds is a great choice:

  • Weather Protection: Felt acts as a barrier against moisture, preventing leaks and water damage.
  • Durability: High-quality felt for shed roofs can last 10–15 years with proper maintenance.
  • Cost-Effective: Compared to other roofing materials, felting a shed roof is an affordable option.
  • Ease of Installation: Even for DIY beginners, installing shed roof felt is a manageable task.
How to Felt a Shed Roof

Materials You’ll Need

Before starting, gather the following materials:

  • Felt for shed roof (available in different grades and thicknesses)
  • Hammer and galvanized clout nails (to prevent rust)
  • Roofing adhesive or bitumen glue
  • A utility knife or scissors
  • A tape measure
  • A staple gun (optional for temporary securing)
  • A broom (to clean the roof surface)

How to Felt a Shed Roof Quick and Easy Method

Step 1: Remove Old Roofing Felt (If Applicable)

If your shed has an existing felt that is damaged, remove it carefully by pulling out the nails and peeling away the old felt. Inspect the wooden roof panels for any signs of rot or damage before proceeding.

Step 2: Measure and Cut the Felt

  • Measure the shed roof to determine the amount of felt needed. Add a slight overhang (around 50mm) on each side to allow for a secure fit.
  • Roll out the shed roof felt and cut it into manageable sections using a utility knife.

Step 3: Attach the First Layer of Felt

  • Start at one side of the roof and position the first piece of felt so it covers the entire length.
  • Secure it in place by hammering galvanized nails along the top edge, spacing them about 150mm apart.
  • Apply roofing adhesive along the edges to create a watertight seal.

Step 4: Add Overlapping Layers

  • If your shed has a pitched roof, the next layer should slightly overlap the first to ensure water runoff.
  • Use roofing adhesive to stick overlapping pieces together, preventing gaps.
  • For flat-roof sheds, apply a second layer of felt for extra durability.

Step 5: Secure the Final Layer and Trim Excess Felt

  • Once all the layers are in place, hammer in additional nails along the edges to ensure everything is firmly secured.
  • Trim any excess felt using a sharp utility knife.
  • Fold down the overhanging felt at the edges and secure it with nails or adhesive.

Step 6: Seal the Edges and Finish the Job

  • Apply bitumen adhesive to all seams and edges for extra weatherproofing.
  • Press the edges firmly to bond them together.
  • Let the adhesive dry completely before exposing the shed to rain.

Common Mistakes to Avoid

  • Not Using Enough Overlap: Ensure a 50mm–75mm overlap between felt sheets to prevent leaks.
  • Skipping Adhesive: Relying only on nails can lead to water seeping through gaps.
  • Ignoring Roof Inspection: Before felting, check for damage to the roof panels.
  • Not Sealing the Edges Properly: Loose edges can be lifted by the wind, leading to premature wear.
shed roof felt

Maintenance Tips for a Long-Lasting Shed Roof

  • Regular Inspections: Check the shed roof for signs of wear, particularly after storms.
  • Reapply Adhesive: If the edges start peeling, apply more adhesive to secure them.
  • Replace Damaged Felt Promptly: Small tears can expand, so patch them up quickly.

Recently Case Study:

Recently, our team at Highline Property Roofing visited a property on Vernon Ave, where a homeowner was struggling with a leaking shed roof. Upon inspection, we found that the old felt had multiple cracks, allowing water to seep through. We removed the damaged felt, checked the wooden panels for rot, and applied high-quality roofing felt for sheds with double-layer protection. The total cost of the repair was £250, and the homeowner was thrilled with the improved durability and waterproofing of their shed.

If your shed roof is leaking or needs repairs, experienced roofers in Brighton can provide a reliable solution. With professional expertise, they make sure durable and long-lasting protection for your shed. Get expert assistance to keep your shed safe from water damage.

Conclusion

Felting a shed roof is a simple yet essential task to protect your shed from the elements. Whether you’re replacing old felt or installing it for the first time, following these steps ensures a waterproof and durable finish. By using high-quality felt for shed roofs, securing it properly, and maintaining it over time, you can extend the life of your shed and keep it in top condition for years.

FAQs:

1. Which way to felt a shed roof?

The felt should be laid on the lowest edge of the roof with the selvedge away from the roof edge, loose mineral chippings should be brushed away and another felt strip should be overlapped between the gutter drips and the first row of the top layer.

2. Is it easy to refelt a shed roof?

The process of installing or replacing shed roof felt is fairly simple.

3. What is the best type of shed roof felt?

Heavy-duty bitumen-based felt or mineral felt is ideal for long-term durability.

4. Do I need to remove the old felt before applying the new felt?

Yes, removing old felt ensures a smooth surface and prevents trapped moisture.

Author: HLPR

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