{"product_id":"concrete-interlocking-roof-tile-420x330mm","title":"Concrete Interlocking Roof Tile – Flat Profile, 420 x 330mm","description":"\u003cp\u003eNatural slate gives a pitched roof the traditional look at a traditional price, but not every re-roof or new-build budget stretches to it. This flat-profile concrete interlocking tile is the value engineering answer UK roofers reach for instead — a slate-like appearance, a fast interlocking lay, and a fraction of the material cost per square metre, backed by decades of proven service on ordinary UK housing.\u003c\/p\u003e\n\n\u003cp\u003eEach tile interlocks with its neighbours on both the head and side laps, so a competent roofer can cover a roof significantly faster than with individually-nailed slate, while still finishing with the flat, low-profile look a slate roof is chosen for.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlat, slate-like profile at a fraction of natural slate's material cost\u003c\/li\u003e\n\u003cli\u003eInterlocking head and side laps for a fast, efficient lay\u003c\/li\u003e\n\u003cli\u003eProven concrete tile technology with decades of UK service history\u003c\/li\u003e\n\u003cli\u003eThree core colourways covering neutral, contemporary and traditional finishes\u003c\/li\u003e\n\u003cli\u003eOrdered by coverage area or full pallet, so quantities match your roof exactly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSuitable applications\u003c\/h3\u003e\n\u003cp\u003eNew-build and re-roofing work on pitched roofs from typical domestic pitches upward (check the minimum pitch and headlap guidance for your specific rafter pitch and exposure before ordering); extensions and outbuildings being tiled to match an existing concrete-tiled roof; large-area re-roofs where natural slate's cost or weight is a barrier.\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\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eConcrete, through-coloured and surface-treated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTile size\u003c\/td\u003e\n\u003ctd\u003e420 x 330mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile\u003c\/td\u003e\n\u003ctd\u003eFlat, slate-effect, interlocking head and side lap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage rate\u003c\/td\u003e\n\u003ctd\u003e9.9 tiles\/m² at 75mm headlap (10.7 tiles\/m² at 100mm headlap)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColours\u003c\/td\u003e\n\u003ctd\u003eSmooth Grey, Anthracite, Old English Dark Red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBundle sizes\u003c\/td\u003e\n\u003ctd\u003e5m² (50 tiles), 10m² (99 tiles), 1 Pallet (192 tiles), 2 Pallets (384 tiles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation guidance\u003c\/h3\u003e\n\u003cp\u003eLay on treated timber battens over a breathable roofing membrane at the manufacturer's specified gauge for your chosen headlap, interlocking each tile with its neighbours and nailing or clipping according to the exposure zone for your site. Our \u003ca href=\"https:\/\/rubberroofuk.uk\/products\/breathable-roofing-membrane-125gsm-roof-wall-underlay\"\u003ebreathable roofing membrane\u003c\/a\u003e is a suitable underlay, and our \u003ca href=\"https:\/\/rubberroofuk.uk\/products\/ventilated-dry-ridge-kit-pitched-roof\"\u003eventilated dry ridge kit\u003c\/a\u003e completes the ridge line without the mortar-bedding a traditional ridge needs. For chimney or wall abutment details on the same roof, see our \u003ca href=\"https:\/\/rubberroofuk.uk\/products\/lead-free-chimney-wall-flashing-roll\"\u003elead-free flashing roll\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow many tiles do I need?\u003c\/strong\u003e\u003cbr\u003eMultiply your roof area in m² by the coverage rate (9.9 tiles\/m² at standard 75mm headlap) and add an allowance for cuts at verges, hips and valleys — order the bundle size closest to your total, rounding up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the minimum roof pitch?\u003c\/strong\u003e\u003cbr\u003eConcrete interlocking tiles of this type are generally suitable from around 15° pitch upward, but always check the manufacturer's pitch and headlap table for your specific exposure zone before finalising your order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this compare to natural slate?\u003c\/strong\u003e\u003cbr\u003eBoth give a flat, low-profile finish, but this concrete tile costs substantially less per m² and is faster to lay thanks to its interlocking edges, while natural slate offers a genuine stone finish and typically a longer service life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix colours on one roof?\u003c\/strong\u003e\u003cbr\u003eTechnically yes, but for a uniform appearance we'd recommend ordering all tiles for a single roof slope in the same colour and batch where possible, as concrete tile colour can vary slightly between production batches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need special tools to cut them?\u003c\/strong\u003e\u003cbr\u003eA tile cutter or angle grinder with a suitable masonry blade is normally used for cutting tiles at verges, hips and valleys.\u003c\/p\u003e\n\n\u003ch3\u003eOrdering\u003c\/h3\u003e\n\u003cp\u003eOrder by bundle size to match your measured roof area, or by the pallet for larger new-build and full re-roof projects. Smooth Brown, Mosborough Red and Antique Brown are also available from the source range and can be added to a future listing on request — get in touch if you need one of these colours.\u003c\/p\u003e\n","brand":"Rubber Roof UK","offers":[{"title":"5m² Bundle (50 tiles) \/ Smooth Grey","offer_id":46006026141887,"sku":"TILE-SG-1","price":185.0,"currency_code":"GBP","in_stock":true},{"title":"5m² Bundle (50 tiles) \/ Anthracite","offer_id":46006026174655,"sku":"TILE-AN-1","price":185.0,"currency_code":"GBP","in_stock":true},{"title":"5m² Bundle (50 tiles) \/ Old English Dark Red","offer_id":46006026207423,"sku":"TILE-DR-1","price":185.0,"currency_code":"GBP","in_stock":true},{"title":"10m² Bundle (99 tiles) \/ Smooth Grey","offer_id":46006026240191,"sku":"TILE-SG-2","price":366.3,"currency_code":"GBP","in_stock":true},{"title":"10m² Bundle (99 tiles) \/ Anthracite","offer_id":46006026272959,"sku":"TILE-AN-2","price":366.3,"currency_code":"GBP","in_stock":true},{"title":"10m² Bundle (99 tiles) \/ Old English Dark Red","offer_id":46006026305727,"sku":"TILE-DR-2","price":366.3,"currency_code":"GBP","in_stock":true},{"title":"1 Pallet (192 tiles) \/ Smooth Grey","offer_id":46006026338495,"sku":"TILE-SG-3","price":710.0,"currency_code":"GBP","in_stock":true},{"title":"1 Pallet (192 tiles) \/ Anthracite","offer_id":46006026371263,"sku":"TILE-AN-3","price":710.0,"currency_code":"GBP","in_stock":true},{"title":"1 Pallet (192 tiles) \/ Old English Dark Red","offer_id":46006026404031,"sku":"TILE-DR-3","price":710.0,"currency_code":"GBP","in_stock":true},{"title":"2 Pallets (384 tiles) \/ Smooth Grey","offer_id":46006026436799,"sku":"TILE-SG-4","price":1420.0,"currency_code":"GBP","in_stock":true},{"title":"2 Pallets (384 tiles) \/ Anthracite","offer_id":46006026469567,"sku":"TILE-AN-4","price":1420.0,"currency_code":"GBP","in_stock":true},{"title":"2 Pallets (384 tiles) \/ Old English Dark Red","offer_id":46006026502335,"sku":"TILE-DR-4","price":1420.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/1804\/9727\/files\/concrete-interlocking-roof-tile-smooth-grey-pitched-roof.jpg?v=1786653921","url":"https:\/\/rubberroofuk.uk\/products\/concrete-interlocking-roof-tile-420x330mm","provider":"Rubber Roof UK","version":"1.0","type":"link"}