{"product_id":"classicbond-horizontal-drain-kit-for-rubber-roofs","title":"ClassicBond Horizontal Drain Kit for Rubber Roofs","description":"\u003ch3\u003eThrough-Wall EPDM Roof Drain for Parapet \u0026amp; Wall Scupper Drainage\u003c\/h3\u003e\n\n\u003cp\u003eThe ClassicBond Horizontal Drain Kit is a complete EPDM roof drainage solution designed to safely drain flat roofs through parapet walls or thick external walls into hoppers, gutters, or downpipes.\u003c\/p\u003e\n\n\u003cp\u003eIt is used where water cannot drain vertically or over the roof edges and must exit the roof horizontally through a wall, forming a secure, watertight outlet at one of the most critical points on the roof.\u003c\/p\u003e\n\n\u003cdetails style=\"margin-bottom:12px; border:1px solid #333; border-radius:10px; background:#1a1a1a; overflow:hidden;\"\u003e\n  \u003csummary style=\"cursor:pointer; font-weight:700; padding:16px 48px 16px 16px; font-size:18px; position:relative; list-style:none;\"\u003e\n    Why Horizontal Drains Are a Critical Roof Detail\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding:16px; border-top:1px solid #333;\"\u003e\n    \u003cp\u003eHorizontal drains (also known as wall scuppers) are often where flat roofs fail if they’re poorly detailed.\u003c\/p\u003e\n    \u003cp\u003eCommon problems include:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eWater backing up behind the outlet\u003c\/li\u003e\n      \u003cli\u003eLeaks where the membrane meets the drain\u003c\/li\u003e\n      \u003cli\u003eMovement between the roof and wall cracking the detail\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eThis kit is designed to eliminate those risks by combining a purpose-made horizontal drain with uncured EPDM flashing and primer, so the outlet becomes part of the roof system rather than a weak point.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom:12px; border:1px solid #333; border-radius:10px; background:#1a1a1a; overflow:hidden;\"\u003e\n  \u003csummary style=\"cursor:pointer; font-weight:700; padding:16px 48px 16px 16px; font-size:18px; position:relative; list-style:none;\"\u003e\n    What Makes This Horizontal Drain Different\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding:16px; border-top:1px solid #333;\"\u003e\n    \u003cp\u003eThe ClassicBond horizontal drain is made from \u003cstrong\u003eIGOM synthetic rubber\u003c\/strong\u003e and features:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eA right-angled flange (140mm × 245mm) for secure bonding to the membrane\u003c\/li\u003e\n      \u003cli\u003eA 500mm outlet length, ideal for thick external walls\u003c\/li\u003e\n      \u003cli\u003eA 90mm × 90mm internal outlet size\u003c\/li\u003e\n      \u003cli\u003eCompatibility with 90° shoes and extension pipes\u003c\/li\u003e\n      \u003cli\u003eA supplied leaf guard\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eOnce installed, the outlet forms a continuous, sealed path for water to exit the roof cleanly through the wall.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom:12px; border:1px solid #333; border-radius:10px; background:#1a1a1a; overflow:hidden;\"\u003e\n  \u003csummary style=\"cursor:pointer; font-weight:700; padding:16px 48px 16px 16px; font-size:18px; position:relative; list-style:none;\"\u003e\n    Why Uncured EPDM Flashing Is Used at the Drain\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding:16px; border-top:1px solid #333;\"\u003e\n    \u003cp\u003eUncured EPDM flashing tape is essential for detailing around drains because it:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eStretches easily over corners and edges\u003c\/li\u003e\n      \u003cli\u003eMoulds tightly around the outlet flange\u003c\/li\u003e\n      \u003cli\u003eSelf-cures once installed\u003c\/li\u003e\n      \u003cli\u003eCreates a stress-free, long-lasting seal\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eUsing uncured flashing tape here prevents the lifting that can occur when cured EPDM is cut and folded around drains incorrectly.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom:12px; border:1px solid #333; border-radius:10px; background:#1a1a1a; overflow:hidden;\"\u003e\n  \u003csummary style=\"cursor:pointer; font-weight:700; padding:16px 48px 16px 16px; font-size:18px; position:relative; list-style:none;\"\u003e\n    What’s Included in the Kit\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding:16px; border-top:1px solid #333;\"\u003e\n    \u003cp\u003eEach ClassicBond Horizontal Drain Kit contains everything required to detail the drain correctly:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\u003cstrong\u003e1 × ClassicBond Horizontal Drain (500mm outlet)\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003e1 × 500mm length of 9″ Uncured EPDM Flashing Tape\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003e1 × EPDM Primer\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003e1 × Leaf guard\u003c\/strong\u003e\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eBuying the complete kit removes guesswork and ensures all components are system compatible.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom:12px; border:1px solid #333; border-radius:10px; background:#1a1a1a; overflow:hidden;\"\u003e\n  \u003csummary style=\"cursor:pointer; font-weight:700; padding:16px 48px 16px 16px; font-size:18px; position:relative; list-style:none;\"\u003e\n    How the Horizontal Drain Is Installed (High-Level Overview)\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding:16px; border-top:1px solid #333;\"\u003e\n    \u003col\u003e\n      \u003cli\u003eMechanically fix the drain securely into the roof deck\u003c\/li\u003e\n      \u003cli\u003eApply bonding adhesive to the outlet flange (leave 50–75mm around the outlet clear)\u003c\/li\u003e\n      \u003cli\u003eInstall the EPDM membrane over the roof\u003c\/li\u003e\n      \u003cli\u003eCut the membrane to expose the outlet flange\u003c\/li\u003e\n      \u003cli\u003ePrime the membrane and drain flange\u003c\/li\u003e\n      \u003cli\u003eInstall uncured EPDM flashing tape to seal the outlet to the membrane\u003c\/li\u003e\n      \u003cli\u003eInstall a secondary flashing collar inside the outlet\u003c\/li\u003e\n      \u003cli\u003eFit the leaf guard\u003c\/li\u003e\n    \u003c\/ol\u003e\n    \u003cp\u003eThis creates a watertight seal both on the roof surface and inside the outlet pipe.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom:12px; border:1px solid #333; border-radius:10px; background:#1a1a1a; overflow:hidden;\"\u003e\n  \u003csummary style=\"cursor:pointer; font-weight:700; padding:16px 48px 16px 16px; font-size:18px; position:relative; list-style:none;\"\u003e\n    Product Details\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding:16px; border-top:1px solid #333;\"\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e ClassicBond Horizontal Drain Kit\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e IGOM synthetic rubber\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Black\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOutlet length:\u003c\/strong\u003e 500mm\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOutlet internal size:\u003c\/strong\u003e 90mm × 90mm\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eFlange size:\u003c\/strong\u003e 140mm × 245mm\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eIncludes leaf guard:\u003c\/strong\u003e Yes\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCompatible membranes:\u003c\/strong\u003e \u003ca href=\"\/collections\/classicbond-epdm\"\u003e\u003cstrong\u003eClassicBond\u003c\/strong\u003e\u003c\/a\u003e, \u003ca href=\"\/collections\/classicbond-pro\"\u003e\u003cstrong\u003eClassicBond Pro\u003c\/strong\u003e\u003c\/a\u003e \u0026amp; Other EPDM Membranes\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom:12px; border:1px solid #333; border-radius:10px; background:#1a1a1a; overflow:hidden;\"\u003e\n  \u003csummary style=\"cursor:pointer; font-weight:700; padding:16px 48px 16px 16px; font-size:18px; position:relative; list-style:none;\"\u003e\n    A Roofer’s Perspective\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding:16px; border-top:1px solid #333;\"\u003e\n    \u003cp\u003eHorizontal drains are unforgiving if they’re rushed. If the outlet isn’t sealed properly to the membrane, water will always find its way back in.\u003c\/p\u003e\n    \u003cp\u003eUsing a proper horizontal drain with uncured EPDM flashing tape turns a risky detail into a reliable one. Once it’s installed correctly, it’s a fit-and-forget solution that simply drains water where it should go.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e","brand":"The Flat Roofing Shop","offers":[{"title":"Default Title","offer_id":56484128588107,"sku":"CB-Drain-Horizontal-Kit","price":48.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/4054\/9451\/files\/horizontal-drain-kit-for-rubber-roofing.webp?v=1773496206","url":"https:\/\/theflatroofingshop.co.uk\/products\/classicbond-horizontal-drain-kit-for-rubber-roofs","provider":"The Flat Roofing Shop","version":"1.0","type":"link"}