Shed Roofing

If your shed roof needs a makeover, covering it with EPDM (ethylene propylene diene monomer) rubber is a fantastic option. This durable and weather-resistant material can enhance the lifespan of your shed while providing excellent protection against the elements. Here’s a step-by-step guide on how to replace your shed roof covering with new EPDM.

Shed Roof

Preparing Your Shed Roof

Before diving into the installation process, it’s crucial to prepare your shed roof properly:

  1. Remove Old Roof Covering: Begin by carefully removing any timber battens or edging that were used to secure the old roof covering. If these components are still in good condition, you can reuse them. However, if you’re planning to fit new timber, consider that option as well.
  2. Clear the Area: Take off the old felt, and ensure that all nails, sharp objects, and debris are removed from the roof. Inspect the roof timbers for any signs of rot or damage, and make necessary repairs. A solid foundation is essential for a long-lasting shed roof.

Installing the EPDM Membrane

Now that your shed roof is prepared, it’s time to install the new EPDM membrane:

  1. Unpack the Membrane: Carefully unpack the EPDM roof membrane and position it over the roof deck. Allow the membrane to hang over the edges on all sides. Having two people for this step can make it easier to manage the large sheets.
  2. Let It Relax: Allow the membrane to relax for about 30 minutes. This step helps to prevent any wrinkles during installation.
  3. Apply Adhesive: Start on one side of the roof. Use gaffa tape to intermittently secure the side you’re not fixing down; this will help keep the membrane square. If your shed is smaller, you can fold back the side where you will apply adhesive. For larger sheds, tightly and evenly roll back the membrane and secure it with tape.
  4. Work in Sections: Apply adhesive evenly across the roof, starting from the ridge and working towards the bottom edges. It’s important to ensure the adhesive remains wet when you attach the membrane, so work methodically but briskly.
  5. Smooth the Membrane: As you roll or fold the membrane back down, smooth it out to eliminate air bubbles. Repeat this process for the other side of the roof.

Securing the Roof Edges

Once the membrane is in place, it’s time to secure the edges. You have three options for doing this:

  1. Clout Nails: You can secure the edges of the membrane directly with clout nails. This method is straightforward but may not provide the same level of durability as other options.
  2. Timber Battens: Use the original timber battens you removed at the beginning, or install new ones. Secure the edges with these battens for a strong hold.
  3. Metal Edge Trims: For a more secure fixing, install timber battens on the underside of the shed roof board. Use the provided metal edge trims and screws to ensure everything is firmly secured. This option offers excellent protection against wind and weather.

Final Touches

To complete your shed roof installation, trim any excess EPDM membrane that may be overhanging the edges. This step not only provides a tidy finish but also enhances the professional appearance of your shed.

Conclusion

Installing a new EPDM covering on your shed roof is a rewarding project that can significantly extend the life of your shed while improving its appearance. By following these steps—preparing the roof, installing the membrane, and securing the edges—you’ll have a durable, weather-resistant roof that stands the test of time.

If you have any questions or need assistance with your shed roof project, don’t hesitate to consult with professionals or experienced DIYers. With the right preparation and materials, your shed will be well-protected for years to come.

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