{"title":"Chimney \u0026amp; Flashing Systems","description":"\u003cp\u003eFlexible lead-alternative flashing and chimney weatherproofing products for pitched and flat roofs — flashing rolls for chimneys, valleys, abutments and wall junctions.\u003c\/p\u003e","products":[{"product_id":"lead-free-chimney-wall-flashing-roll","title":"Lead-Free Flexible Chimney \u0026amp; Wall Flashing Roll – Self-Adhesive, BBA-Certified","description":"\u003cp\u003eWhen a chimney starts weeping water into the loft after a storm, the usual culprit is failed lead flashing — cracked from decades of thermal movement, or simply stolen from the roof edge in the night. This flexible, self-adhesive flashing gives roofers and confident DIYers a lead-free alternative that dresses into the same stepped, valley and abutment details as traditional lead, without the weight, the cost swings of the scrap-metal price, or the theft risk.\u003c\/p\u003e\n\n\u003cp\u003eThe material is a reinforced aluminium mesh bonded through a layer of modified bitumen, so it holds a dressed shape around corners and upstands the way lead does, while resisting UV, frost and thermal cycling over a long service life. It is supplied as a roll and cut to length on site, exactly as lead flashing would be.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDresses and holds its shape around chimneys, valleys and abutments like traditional lead\u003c\/li\u003e\n\u003cli\u003eNo scrap value — removes the theft risk that affects lead flashing on accessible roofs\u003c\/li\u003e\n\u003cli\u003eNon-toxic and recyclable, with no lead run-off into gutters or water butts\u003c\/li\u003e\n\u003cli\u003eSelf-adhesive backing for a straightforward, mechanically-fixed-free installation on suitable substrates\u003c\/li\u003e\n\u003cli\u003eAvailable in Black or Grey to suit slate, tile or render finishes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSuitable applications\u003c\/h3\u003e\n\u003cp\u003eStepped and abutment flashing around chimney stacks, valley gutters, cover flashings, roof-to-wall junctions, rooflight and conservatory flashing, and cavity trays in masonry walls. Suitable for sharp corners and detailing that would otherwise need a lead slater's skill to dress.\u003c\/p\u003e\n\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eReinforced aluminium mesh with modified bitumen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColours\u003c\/td\u003e\n\u003ctd\u003eBlack, Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidths available\u003c\/td\u003e\n\u003ctd\u003e150mm, 200mm, 250mm, 300mm, 400mm, 450mm, 500mm, 600mm, 1000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoll lengths\u003c\/td\u003e\n\u003ctd\u003e6m and 12m (availability varies by width)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLife expectancy\u003c\/td\u003e\n\u003ctd\u003eManufacturer-stated 30-year life expectancy, 25-year guarantee\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eManufactured to a specification independently tested and BBA-certified for general use, and NHBC-approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eIndependent BRE wind-tunnel testing on a chimney installation, sealed at the laps, recorded no failure at wind speeds up to 110mph — figures as stated by the manufacturer's published test data, not independently re-verified by us for every installation detail, so always follow the fixing and lap-sealing instructions supplied with the roll.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation guidance\u003c\/h3\u003e\n\u003cp\u003eSurfaces should be clean, dry and free of loose material before application. Work from the bottom of the detail upwards so laps shed water, dress firmly into corners with a wallpaper-style roller or seam roller to fully bond the self-adhesive backing, and seal cut edges and laps with a compatible flashing sealant. For flat roof abutments where this flashing meets an existing EPDM upstand, our \u003ca href=\"https:\/\/rubberroofuk.uk\/products\/epdm-aluminium-termination-bar-rubber-roof-uk\"\u003eEPDM Aluminium Termination Bar\u003c\/a\u003e gives a mechanically fixed, weathertight lap between the two materials. On pitched roofs being re-covered at the same time, it pairs naturally with our \u003ca href=\"https:\/\/rubberroofuk.uk\/products\/brazilian-natural-roofing-slate-500x250mm\"\u003enatural roofing slate\u003c\/a\u003e and \u003ca href=\"https:\/\/rubberroofuk.uk\/products\/ventilated-dry-ridge-kit-pitched-roof\"\u003eventilated dry ridge kit\u003c\/a\u003e for a complete re-roof.\u003c\/p\u003e\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine substitute for lead flashing?\u003c\/strong\u003e\u003cbr\u003eYes — it is designed to be dressed and detailed in the same way as lead, in the same applications, and is BBA-certified for general use as a lead alternative.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a primer before fitting it?\u003c\/strong\u003e\u003cbr\u003eOn most sound, dry masonry and roofing substrates a primer isn't required, but porous or dusty surfaces will bond better if primed first — check your substrate before fitting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used on both flat and pitched roofs?\u003c\/strong\u003e\u003cbr\u003eYes. It is equally suited to chimney and valley detailing on pitched roofs and to wall abutments and upstands on flat roofs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich width do I need?\u003c\/strong\u003e\u003cbr\u003eAs a guide, size the roll so it covers at least 150mm onto the roof covering and 100–150mm up the abutment or chimney face, plus any additional width needed to dress into a stepped detail — measure your specific detail before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fade or become brittle in UV?\u003c\/strong\u003e\u003cbr\u003eThe bitumen-mesh construction is designed for long-term outdoor exposure, with a manufacturer-stated 30-year life expectancy under normal UK weather conditions.\u003c\/p\u003e\n\n\u003ch3\u003eOrdering\u003c\/h3\u003e\n\u003cp\u003eChoose your width based on the detail you're flashing and your preferred roll length (6m or 12m, availability varies by width). Order enough width to allow for waste at joints and corners.\u003c\/p\u003e\n","brand":"Rubber Roof UK","offers":[{"title":"150mm x 6m \/ Black","offer_id":46006010871999,"sku":"FLASH-150-6M-BL","price":106.9,"currency_code":"GBP","in_stock":true},{"title":"150mm x 6m \/ Grey","offer_id":46006010904767,"sku":"FLASH-150-6M-GR","price":106.9,"currency_code":"GBP","in_stock":true},{"title":"150mm x 12m \/ Black","offer_id":46006010937535,"sku":"FLASH-150-12M-BL","price":230.5,"currency_code":"GBP","in_stock":true},{"title":"150mm x 12m \/ Grey","offer_id":46006010970303,"sku":"FLASH-150-12M-GR","price":230.5,"currency_code":"GBP","in_stock":true},{"title":"200mm x 6m \/ Black","offer_id":46006011003071,"sku":"FLASH-200-6M-BL","price":172.92,"currency_code":"GBP","in_stock":true},{"title":"200mm x 6m \/ Grey","offer_id":46006011035839,"sku":"FLASH-200-6M-GR","price":172.92,"currency_code":"GBP","in_stock":true},{"title":"200mm x 12m \/ Black","offer_id":46006011068607,"sku":"FLASH-200-12M-BL","price":288.04,"currency_code":"GBP","in_stock":true},{"title":"200mm x 12m \/ Grey","offer_id":46006011101375,"sku":"FLASH-200-12M-GR","price":288.04,"currency_code":"GBP","in_stock":true},{"title":"250mm x 6m \/ Black","offer_id":46006011134143,"sku":"FLASH-250-6M-BL","price":178.16,"currency_code":"GBP","in_stock":true},{"title":"250mm x 6m \/ Grey","offer_id":46006011166911,"sku":"FLASH-250-6M-GR","price":178.16,"currency_code":"GBP","in_stock":true},{"title":"250mm x 12m \/ Black","offer_id":46006011199679,"sku":"FLASH-250-12M-BL","price":359.32,"currency_code":"GBP","in_stock":true},{"title":"250mm x 12m \/ Grey","offer_id":46006011232447,"sku":"FLASH-250-12M-GR","price":359.32,"currency_code":"GBP","in_stock":true},{"title":"300mm x 6m \/ Black","offer_id":46006011265215,"sku":"FLASH-300-6M-BL","price":230.5,"currency_code":"GBP","in_stock":true},{"title":"300mm x 6m \/ Grey","offer_id":46006011297983,"sku":"FLASH-300-6M-GR","price":230.5,"currency_code":"GBP","in_stock":true},{"title":"300mm x 12m \/ Black","offer_id":46006011330751,"sku":"FLASH-300-12M-BL","price":403.14,"currency_code":"GBP","in_stock":true},{"title":"300mm x 12m \/ Grey","offer_id":46006011363519,"sku":"FLASH-300-12M-GR","price":403.14,"currency_code":"GBP","in_stock":true},{"title":"400mm x 6m \/ Black","offer_id":46006011396287,"sku":"FLASH-400-6M-BL","price":309.96,"currency_code":"GBP","in_stock":true},{"title":"400mm x 6m \/ Grey","offer_id":46006011429055,"sku":"FLASH-400-6M-GR","price":309.96,"currency_code":"GBP","in_stock":true},{"title":"400mm x 12m \/ Black","offer_id":46006011461823,"sku":"FLASH-400-12M-BL","price":529.22,"currency_code":"GBP","in_stock":true},{"title":"400mm x 12m \/ Grey","offer_id":46006011494591,"sku":"FLASH-400-12M-GR","price":529.22,"currency_code":"GBP","in_stock":true},{"title":"450mm x 12m \/ Black","offer_id":46006011527359,"sku":"FLASH-450-12M-BL","price":614.2,"currency_code":"GBP","in_stock":true},{"title":"450mm x 12m \/ Grey","offer_id":46006011560127,"sku":"FLASH-450-12M-GR","price":614.2,"currency_code":"GBP","in_stock":true},{"title":"500mm x 6m \/ Black","offer_id":46006011592895,"sku":"FLASH-500-6M-BL","price":353.8,"currency_code":"GBP","in_stock":true},{"title":"500mm x 6m \/ Grey","offer_id":46006011625663,"sku":"FLASH-500-6M-GR","price":353.8,"currency_code":"GBP","in_stock":true},{"title":"600mm x 6m \/ Black","offer_id":46006011658431,"sku":"FLASH-600-6M-BL","price":422.36,"currency_code":"GBP","in_stock":true},{"title":"600mm x 6m \/ Grey","offer_id":46006011691199,"sku":"FLASH-600-6M-GR","price":422.36,"currency_code":"GBP","in_stock":true},{"title":"1000mm x 6m \/ Black","offer_id":46006011723967,"sku":"FLASH-1000-6M-BL","price":677.22,"currency_code":"GBP","in_stock":true},{"title":"1000mm x 6m \/ Grey","offer_id":46006011756735,"sku":"FLASH-1000-6M-GR","price":677.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/1804\/9727\/files\/lead-free-chimney-flashing-black-brick-chimney-slate-roof.jpg?v=1786653059"}],"url":"https:\/\/rubberroofuk.uk\/collections\/chimney-amp-flashing-systems.oembed","provider":"Rubber Roof UK","version":"1.0","type":"link"}