{"product_id":"c1-grp-external-corner-for-kerb-drip-trims","title":"C1 GRP External Corner for Kerb \u0026 Drip Trims","description":"\u003ch3\u003ePreformed GRP external corner for neat, fast kerb \u0026amp; drip joins\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003ePreformed GRP external corner for neat, fast kerb \u0026amp; drip joins\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eA \u003cstrong\u003eC1 Fibreglass External Corner\u003c\/strong\u003e is a hot-pressed, preformed GRP corner used instead of cutting and mitring trims on site. It creates tidy 90° external corners for kerb-to-kerb, kerb-to-drip and drip-to-drip joins - faster to fit and more consistent-looking than site-formed corners.\u003c\/p\u003e\n\n\u003cp\u003eThis ready-moulded GRP corner saves time on detail work and delivers a professional finish. Designed for roofing contractors and competent trades, it speeds up perimeter detailing while reducing the risk of uneven joins and poor appearance.\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\u003eForming \u003cstrong\u003eexternal 90° corners\u003c\/strong\u003e between kerb and drip trims\u003c\/li\u003e\n      \u003cli\u003eKerb-to-kerb, kerb-to-drip and drip-to-drip junctions\u003c\/li\u003e\n      \u003cli\u003eQuick, repeatable corner detailing on GRP corners\u003c\/li\u003e\n      \u003cli\u003eReplacement of on-site cutting and mitring for a uniform finish\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003e\u003cstrong\u003eNot\u003c\/strong\u003e a substitute for trims - used alongside A200 \/ B260 style drip \u0026amp; raised-edge profiles.\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\u003eCutting and mitring GRP trims on site is slow and can look untidy or inconsistent. Preformed C1 corners remove that variable - they give a consistent profile, reduce labour on detail joins and lower the chance of poor joint presentation that shows after top coating.\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\u003ePosition corner and mechanically fix (nail\/screw) at each end and centre.\u003c\/li\u003e\n      \u003cli\u003eRun a thin bead of PU trim adhesive along the joint and bed the trim into place.\u003c\/li\u003e\n      \u003cli\u003eBandage the trim-corner joint with taping mat and wet out with resin.\u003c\/li\u003e\n      \u003cli\u003eFinish with tissue for a smooth edge; allow cure.\u003c\/li\u003e\n      \u003cli\u003eTop coat the joint area to match surrounding trims.\u003c\/li\u003e\n    \u003c\/ol\u003e\n    \u003cp\u003eImportant: ensure surfaces are clean and dry; follow trim and system guidance for fixing centres and sealant choice.\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 Specs\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\u003eMaterial: Hot-pressed GRP (pre-formed)\u003c\/li\u003e\n      \u003cli\u003eCompatibility: A200 \u0026amp; B260 style drip \/ raised edge trims (universal fit)\u003c\/li\u003e\n      \u003cli\u003eFinish: Pre-pigmented, UV-stabilised\u003c\/li\u003e\n      \u003cli\u003eUse: External 90° corner joins for kerb \u0026amp; drip trims\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;\"\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\u003ePreformed corners save time and tidy up the job. Fit, seal, tape and tissue - far quicker than cutting and mitring on site, and the finished corner looks consistent every time.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e","brand":"The Flat Roofing Shop","offers":[{"title":"Default Title","offer_id":56659815498059,"sku":"PG-C1-Ext-Kerb","price":13.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/4054\/9451\/files\/c1-grp-corner.jpg?v=1774110162","url":"https:\/\/theflatroofingshop.co.uk\/products\/c1-grp-external-corner-for-kerb-drip-trims","provider":"The Flat Roofing Shop","version":"1.0","type":"link"}