EPDM Roofing – What You Need To Know


EPDM roofs can last as long as 50 years without requiring replacement. If you want to unlock the full potential of your roof, you need to make sure it is properly installed. If fitted incorrectly or not placed on suitable decking, it may not last as long as it should. EPDM roofs have become popular and reputable because of their durability. Here is a simple guide from to use when installing EPDM roofs to avoid any issues in the future.

What Can EPDM Roofs Be Installed On?

These roofs can be installed on a few different surfaces. However, they work best when they adhere to timber decks such as OSB sterling board or roofing-grade plywood. In some cases, it may be bonded to lightweight concrete or other non-porous surfaces such as tissue-faced insulation or fiberglass.

Make sure the EPDM doesn’t adhere to asphalt or bitumen because it may damage the material. Note that, liquid mastics may also damage the EPDM. When removing these materials before installation of EPDM, make sure the job is done properly to avoid leaving anything behind accidentally. Keep in mind that some of these materials may leave a small residue behind that may affect the overall performance of EPDM once it is installed.

How To Prepare Roof Deck For EPDM Installation

Once you have properly established the flat timber decking, you need to take some necessary steps to prepare the roof for EPDM installation. It’s the best way to ensure an accurate and smooth installation process, thereby making sure that your rubber roof lasts for the longest time possible.

Step 1

Make sure the current timber decking is suitable or if you need to install a new one. Inspect thoroughly to identify any rot since these rotting boards will have to be replaced before you install the new EPDM roof.

Step 2

Make sure the surface is clean. Start by sweeping off any debris such as loose material, dirt or dust. Remove any rust, oil or grease since it may prevent a smooth installation thereby affecting the durability in the long run. Check the decking thoroughly to make sure there are no sharp objects that may damage or pierce the EPDM roof when installed on top.

Step 3

Once you have removed all the debris from the decking, make sure that the boards are fastened properly without any holes or scruffs. If there are unsolid segments, they need to be replaced or fastened more securely.

Step 4

Before installing your EPDM roof, you need to make sure that the timber decking is completely dry. You can’t apply the EPDM when the surface is wet. You need to start with dry boards to make sure that your installation works properly. It’s very important because if you install the EPDM roof on a wet deck, it will not perform well and may not last as long as expected. Follow these steps to make sure that your EPDM roof is correctly installed to ensure durability.

If there is an issue it may be covered by structural defects insurance – it’s worth checking in with them further to problems.

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