{"product_id":"copper-half-round-guttering-system","title":"Copper Half Round Guttering System – 115mm \u0026 125mm, 3m Lengths \u0026 Downpipe","description":"\u003cp\u003eAluminium and cast iron cover most roofs, but a listed building, a conservation-area extension or a serious heritage self-build often calls for the material that has drained British roofs since before either of them existed: solid copper. This is a genuine half round copper rainwater system — not a copper-look coating over steel — supplied as raw 3m gutter lengths in two diameters, with matching 80mm round copper downpipe to complete the run.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e100% pure copper — not copper-coated or copper-plated steel\u003c\/li\u003e\n\u003cli\u003eHalf round profile in 115mm (4½\") and 125mm (5\") diameters, 3m gutter lengths\u003c\/li\u003e\n\u003cli\u003eMatching 80mm round copper downpipe in 1m, 2m and 3m lengths\u003c\/li\u003e\n\u003cli\u003eWeathers naturally from bright bronze-pink to a soft brown, then over years to the green-grey verdigris patina associated with historic copper roofing and rainwater goods\u003c\/li\u003e\n\u003cli\u003eThe traditional choice for listed buildings, conservation areas and heritage-grade self-builds where planning conditions specify genuine metal rainwater goods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProfile\u003c\/th\u003e\n\u003ctd\u003eHalf round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSizes\u003c\/th\u003e\n\u003ctd\u003e115mm (4½\") and 125mm (5\") diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGutter length\u003c\/th\u003e\n\u003ctd\u003e3m per length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDownpipe\u003c\/th\u003e\n\u003ctd\u003e80mm round, 1m \/ 2m \/ 3m lengths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e100% pure copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBright natural copper, unlacquered — weathers and patinates over time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBracket spacing\u003c\/th\u003e\n\u003ctd\u003eApprox. 915mm centres, with additional brackets at outlets and angles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eJointing\u003c\/th\u003e\n\u003ctd\u003eTraditional lap-jointed or soldered joints for a conservation-grade finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThis is the rainwater system specified where a like-for-like genuine metal replacement is required — listed buildings, properties in conservation areas, church and heritage restoration work, and premium self-build or renovation projects where the brief calls for materials that age the way the original building fabric does. Unlike a painted or powder-coated finish, copper's colour change over time is not a maintenance issue to manage; it is the material doing exactly what it has always done, and what many conservation officers specifically want to see.\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; compatibility\u003c\/h3\u003e\n\u003cp\u003eGutter lengths are supplied plain for cutting to run and jointing on site — by traditional lap\/rivet joints sealed with a suitable sealant, or soldered for a fully traditional conservation finish. Space brackets at roughly 915mm centres, with extra support close to every joint, angle and outlet. The 125mm gutter requires a gutter connector union at each cut length, angle or outlet; the 115mm gutter typically lap-joints directly. Downpipe lengths connect with standard swaged\/socketed joints and should be fixed with pipe brackets at intervals sufficient to prevent movement — as a guide, at least two brackets per 3m length. Copper gutter, fittings and downpipe should be installed by a competent installer familiar with metal rainwater systems; on listed buildings, always confirm exact specification and finish with your local conservation officer before ordering, as requirements vary between authorities.\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this solid copper, or a copper coating over another metal?\u003c\/strong\u003e Solid, 100% pure copper throughout — not a coated or plated steel or aluminium system. It carries the weight, cost and lifespan characteristics of genuine copper rainwater goods.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill a conservation officer accept this for a listed building?\u003c\/strong\u003e Genuine copper half round is one of the materials most likely to satisfy a \"like-for-like metal\" planning condition, but requirements differ by local authority and by the building's listing — always confirm the exact specification with your conservation officer before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the green patina a fault?\u003c\/strong\u003e No. Left unlacquered, copper first dulls from bright pink-bronze to brown, then develops a green-grey verdigris patina over a period of years to decades depending on exposure — a well-documented, natural property of the metal, not a defect, and the look most heritage specifications are actually asking for.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does copper guttering last?\u003c\/strong\u003e Manufacturers of copper rainwater systems commonly back them with guarantees around the 15-year mark, with a genuine service life often quoted well beyond 100 years when correctly installed and maintained — though, as with any metal system, actual longevity depends on installation quality, local conditions and upkeep, so treat any specific figure as an estimate rather than a guarantee.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need different fittings for 115mm and 125mm?\u003c\/strong\u003e Yes — outlets, angles, brackets and unions are size-specific, so keep fittings matched to whichever diameter you order.\u003c\/p\u003e\n\u003cp\u003eNeed a lower-cost heritage-look alternative? Our \u003ca href=\"\/products\/aluminium-half-round-gutter-system-125mm\"\u003eAluminium Half Round Gutter System\u003c\/a\u003e gives the same classic profile in powder-coated aluminium at a fraction of the cost and weight, though it won't satisfy a \"genuine metal\" planning condition the way solid copper does. Where a conservation officer insists on cast metal rather than sheet metal, see our \u003ca href=\"\/products\/cast-iron-guttering-downpipe-system\"\u003eCast Iron Guttering \u0026amp; Downpipe System\u003c\/a\u003e. Ordering for a full run: measure your total eaves length and add gutter lengths accordingly, one downpipe run per outlet, and order 10–15% extra length to allow for cutting and joints.\u003c\/p\u003e","brand":"Rubber Roof UK","offers":[{"title":"115mm Gutter (3m)","offer_id":46124624412863,"sku":"RRUK-CU-HR115-3M","price":364.99,"currency_code":"GBP","in_stock":true},{"title":"125mm Gutter (3m)","offer_id":46124625068223,"sku":"RRUK-CU-HR125-3M","price":509.99,"currency_code":"GBP","in_stock":true},{"title":"80mm Downpipe (1m)","offer_id":46124625100991,"sku":"RRUK-CU-DP80-1M","price":174.99,"currency_code":"GBP","in_stock":true},{"title":"80mm Downpipe (2m)","offer_id":46124625133759,"sku":"RRUK-CU-DP80-2M","price":349.99,"currency_code":"GBP","in_stock":true},{"title":"80mm Downpipe (3m)","offer_id":46124625166527,"sku":"RRUK-CU-DP80-3M","price":524.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/1804\/9727\/files\/copper-half-round-guttering-bright-finish-heritage-eaves-c2f3ea4b-a8e8-42cb-b42f-e3186444694e.jpg?v=1788250711","url":"https:\/\/rubberroofuk.uk\/products\/copper-half-round-guttering-system","provider":"Rubber Roof UK","version":"1.0","type":"link"}