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The EPDM Roof Drain Connector features a circular outlet ideal for bonding, adhesion, or mechanical fixing with a smooth flange. It fits easily into circular drainage holes by inserting inside the HDPE drainpipe, preventing water backup onto the deck. The 240mm spigot is slightly cone-shaped, ribbed, and simplifies installation while performing like the perforated range. Made from EPDM (ethylene propylene diene monomer), it offers reliable water resistance. For installation, waterproof the area around the drainage hole by patching or waterproofing the entire deck. Insert the outlet connector to cover the membrane, securing with fixings or adhesive. A second waterproofing layer creates a "sandwich" encapsulating the connector after priming the area. Cut a hole to reveal the drain pipe, and insert a leaf guard or gravel excluder. This prevents water penetration into the connector or structure, finishing the installation efficiently.. Wallbarn EPDM Circular Roof Outlet Drain Connector - 100mm Black