{"product_id":"metal-wall-trim-for-epdm","title":"Metal Wall Trim for EPDM Rubber Roofing","description":"\u003ch3\u003eCreate a Secure Wall Flashing Detail for EPDM Roofs\u003c\/h3\u003e\n\n\u003cp\u003eThis \u003cstrong\u003emetal wall trim for EPDM rubber roofing\u003c\/strong\u003e is designed to form a watertight junction where a flat roof meets a brick, block or rendered wall. It provides a clean, secure alternative to traditional lead flashing, without the cost or complexity.\u003c\/p\u003e\n\n\u003cp\u003eUsed by professional roofers and competent DIY installers, this plastisol-coated steel wall trim slots into a chase cut into the masonry and mechanically fixes the EPDM membrane in place. When sealed correctly with black mastic, it creates a durable termination detail that protects the roof edge from water ingress.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in \u003cstrong\u003e25mm x 90mm (Standard)\u003c\/strong\u003e and \u003cstrong\u003e40mm x 90mm (Deep)\u003c\/strong\u003e profiles.\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;\"\u003e\n    What It’s Used For\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\u003eTerminating \u003cstrong\u003eEPDM rubber membrane\u003c\/strong\u003e into a masonry wall\u003c\/li\u003e\n      \u003cli\u003eForming a secure wall flashing detail on flat roofs\u003c\/li\u003e\n      \u003cli\u003eReplacing traditional lead flashing on roof-to-wall junctions\u003c\/li\u003e\n      \u003cli\u003eUpstands and abutments requiring mechanical termination\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp\u003e\u003cstrong\u003eUse the Standard (25mm x 90mm) trim when:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eThe EPDM membrane can be adhered directly to the wall substrate\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp\u003e\u003cstrong\u003eUse the Deep (40mm x 90mm) trim when:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eThe membrane cannot be bonded directly to the wall\u003c\/li\u003e\n      \u003cli\u003eInstalling onto stone walls\u003c\/li\u003e\n      \u003cli\u003eBitumen residue is present (EPDM should not be bonded directly to bitumen)\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp\u003eA 15mm timber board should be fixed along the wall edge before the EPDM membrane, to create a suitable bonding surface.\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;\"\u003e\n    Why It Matters\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\u003eRoof-to-wall junctions are one of the most common failure points on a flat roof. Without a properly secured termination, wind uplift can pull the membrane away from the wall, and water can track behind the system.\u003c\/p\u003e\n\n    \u003cp\u003eThis EPDM wall trim provides:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eMechanical restraint at the membrane’s top edge\u003c\/li\u003e\n      \u003cli\u003eA defined termination point\u003c\/li\u003e\n      \u003cli\u003eProtection against water ingress when sealed with mastic\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp\u003eUnlike lead flashing, it requires no dressing or specialist lead work. It delivers a consistent, repeatable detail across multiple installations.\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;\"\u003e\n    Installation 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\u003eAdhere the EPDM membrane up the wall, minimum \u003cstrong\u003e150mm above roof deck level\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003cli\u003eCut a horizontal chase into the masonry using an angle grinder.\u003c\/li\u003e\n      \u003cli\u003eSeal exposed membrane edges at either end of the wall using \u003cstrong\u003e\u003ca href=\"\/products\/classicbond-epdm-external-corner-patch\"\u003euncured flashing tape\u003c\/a\u003e and \u003ca href=\"\/products\/classicbond-epdm-rubber-roofing-primer\"\u003eEPDM primer\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003cli\u003eSlot the wall trim into the chase.\u003c\/li\u003e\n      \u003cli\u003eDrill pilot holes through trim and masonry.\u003c\/li\u003e\n      \u003cli\u003eInsert wall plugs.\u003c\/li\u003e\n      \u003cli\u003eFix using the screws provided.\u003c\/li\u003e\n      \u003cli\u003eApply \u003ca href=\"\/products\/black-mastic-for-epdm-wall-trim\"\u003e\u003cstrong\u003eblack mastic\u003c\/strong\u003e\u003c\/a\u003e along the chase line to seal.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003cp\u003eWhere bonding directly to the wall is not possible, fix a \u003cstrong\u003e15mm timber board\u003c\/strong\u003e to the wall first. The 40mm deep trim allows for this additional build-up.\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;\"\u003e\n    Technical Specification\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\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastisol-coated steel (black coated exterior)\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eProfiles Available:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e25mm x 90mm (Standard)\u003c\/li\u003e\n      \u003cli\u003e40mm x 90mm (Deep)\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003e\u003cstrong\u003eColour:\u003c\/strong\u003e Black\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eFixings:\u003c\/strong\u003e Screws supplied\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Suitable for EPDM rubber roofing systems\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eSealant Required:\u003c\/strong\u003e Black mastic (sold separately)\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eAdditional Components:\u003c\/strong\u003e EPDM primer and uncured flashing tape for edge detailing\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;\"\u003e\n    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\u003eIf the top edge of your EPDM isn’t properly terminated, it’s only a matter of time before it fails. A chased-in metal wall trim gives you a solid mechanical fixing and a tidy finish. The deep trim is especially useful on older stone properties where you need to deck the edge before bonding.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e","brand":"The Flat Roofing Shop","offers":[{"title":"25mm x 90mm","offer_id":56580392288587,"sku":"MT-Wall-Trim-25x90","price":8.36,"currency_code":"GBP","in_stock":true},{"title":"40mm x 90mm","offer_id":56580392321355,"sku":"MT-Wall-Trim-40x90","price":8.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/4054\/9451\/files\/metal-wall-trim-for-epdm.jpg?v=1773866533","url":"https:\/\/theflatroofingshop.co.uk\/products\/metal-wall-trim-for-epdm","provider":"The Flat Roofing Shop","version":"1.0","type":"link"}