{"product_id":"horizontal-roof-drain-for-epdm-rubber-roofing-systems","title":"Horizontal Roof Drain for EPDM Rubber Roofing Systems","description":"\u003ch3\u003e100mm × 100mm × 500mm Through-Wall EPDM Roof Outlet (Leaf Grate Included)\u003c\/h3\u003e\n\n\u003cp\u003eThe ClassicBond Angled Roof Drain is a heavy-duty through-wall roof outlet designed to safely drain flat EPDM rubber roofs through parapet walls into hoppers, gutters or external drainage systems.\u003c\/p\u003e\n\n\u003cp\u003eThis outlet is used where water cannot drain vertically through the deck and must exit horizontally through a wall - forming one of the most critical waterproofing details on any flat roof.\u003c\/p\u003e\n\n\u003cp\u003eSupplied with a leaf grate, this listing includes the \u003cstrong\u003edrain outlet only\u003c\/strong\u003e. \u003ca href=\"\/products\/classicbond-9-elastoform-epdm-flashing-tape\"\u003e\u003cstrong\u003eFlashing tape\u003c\/strong\u003e\u003c\/a\u003e and \u003ca href=\"\/products\/classicbond-epdm-rubber-roofing-primer\"\u003e\u003cstrong\u003eprimer\u003c\/strong\u003e\u003c\/a\u003e must be purchased separately. Angled 90° connectors are available separately.\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 Angled Roof Drains Are Critical\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\u003eThrough-wall drains (also known as scupper drains or horizontal outlets) are high-risk detailing points. If poorly installed, they can cause:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eWater backing up behind the outlet\u003c\/li\u003e\n      \u003cli\u003eLeaks at the membrane-to-flange junction\u003c\/li\u003e\n      \u003cli\u003eStructural moisture damage inside walls\u003c\/li\u003e\n      \u003cli\u003eLong-term failure of the roof build-up\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eUsing a purpose-designed angled EPDM roof drain significantly reduces these risks when detailed correctly.\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 Construction \u0026amp; Key Features\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 90° Angled Roof Drain is manufactured from \u003cstrong\u003eIGOM synthetic rubber\u003c\/strong\u003e and features:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003e90° angled outlet\u003c\/strong\u003e for horizontal discharge\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003e100mm × 100mm internal outlet size\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e500mm outlet length\u003c\/strong\u003e, suitable for thicker external walls\u003c\/li\u003e\n      \u003cli\u003eLarge bonding flange (140mm × 245mm)\u003c\/li\u003e\n      \u003cli\u003eCompatible with 90° shoes and extension pipes\u003c\/li\u003e\n      \u003cli\u003eSupplied with a removable \u003cstrong\u003eleaf guard\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eThe flexible EPDM-compatible flange ensures reliable adhesion to EPDM membranes when primed and flashed correctly.\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    Where This Angled Roof Drain Is Used\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\u003eIdeal for:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eParapet wall drainage\u003c\/li\u003e\n      \u003cli\u003eCommercial flat roofs\u003c\/li\u003e\n      \u003cli\u003ePodium decks\u003c\/li\u003e\n      \u003cli\u003eBalcony roofs\u003c\/li\u003e\n      \u003cli\u003eBox gutters discharging through walls\u003c\/li\u003e\n      \u003cli\u003eRetrofit or refurbishment projects\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eSuitable for use with:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eClassicBond EPDM\u003c\/li\u003e\n      \u003cli\u003eClassicBond Pro Fleece Reinforced EPDM\u003c\/li\u003e\n      \u003cli\u003eOther compatible 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    Installation Overview (ClassicBond EPDM \u0026amp; ClassicBond Pro)\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\u003eLeave a 50–75mm bonding area on the flange\u003c\/li\u003e\n      \u003cli\u003eInstall EPDM membrane over the roof\u003c\/li\u003e\n      \u003cli\u003eCut membrane to expose the outlet flange\u003c\/li\u003e\n      \u003cli\u003ePrime the membrane and flange\u003c\/li\u003e\n      \u003cli\u003eInstall uncured EPDM flashing over the flange\u003c\/li\u003e\n      \u003cli\u003eRoll thoroughly to ensure full adhesion\u003c\/li\u003e\n      \u003cli\u003eInsert leaf guard\u003c\/li\u003e\n    \u003c\/ol\u003e\n    \u003cp\u003eProper flashing detail is essential to prevent water ingress.\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    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 outlets are unforgiving details. If the membrane isn’t properly sealed to the flange, water will always find its way back in.\u003c\/p\u003e\n    \u003cp\u003eUsing a purpose-made 90° roof drain and detailing it with uncured flashing tape or the recommended detailing materials for your chosen system is the correct approach. Once installed properly, it becomes a secure, long-term drainage solution.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e","brand":"The Flat Roofing Shop","offers":[{"title":"Default Title","offer_id":56518823608651,"sku":"CB-Drain-Horizontal","price":26.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/4054\/9451\/files\/horizontal-drain-for-epdm-rubber-roofs.jpg?v=1773496368","url":"https:\/\/theflatroofingshop.co.uk\/products\/horizontal-roof-drain-for-epdm-rubber-roofing-systems","provider":"The Flat Roofing Shop","version":"1.0","type":"link"}