{"product_id":"concealed-fix-stair-nosing-65x55mm-raked-back-aluminium","title":"Concealed Fix Stair Nosing 65x55mm Raked Back Aluminium, 1m \u0026 2m","description":"\u003cp\u003eOlder concrete and stone stairs rarely have a true vertical riser. The face leans back under the tread, and a square nosing fitted to it either stands proud at the bottom edge or has to be packed out. This profile is cut for that stair: the same 65mm fluted tread and hidden fixing as the square version, but with the 55mm riser leg raked back so it lies flat against a sloping face. It is a refurbishment profile first and foremost — the one to reach for when the treads are sound, the edges are chipped, and the flight was poured decades ago.\u003c\/p\u003e\n\n\u003ch3\u003eWhy it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe raked riser sits flush.\u003c\/strong\u003e A back-angled leg follows the slope of the step instead of bridging it, so there is no gap at the bottom to collect dirt or to catch a mop, and the fixing pulls the bar tight to the face rather than levering it away.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFixings out of sight.\u003c\/strong\u003e Screws go through the rear channel and a 13mm PVC strip covers them. On a refurbishment that matters twice over: the walking surface stays clean, and a fixing can be lifted later if a step needs re-levelling without taking the whole bar off.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrip machined into the tread.\u003c\/strong\u003e Fluting milled across the full 65mm carries the grip rather than a glued or clipped insert, so there is nothing to lift as the stair ages, and nothing that wears at a different rate from the metal around it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e55mm of cover down the face.\u003c\/strong\u003e Deep enough to hide a broken arris and the patch repairs underneath it, which is usually what an old flight needs.\u003c\/p\u003e\n\n\u003ch3\u003eWhere it's used\u003c\/h3\u003e\n\u003cp\u003eRefurbished concrete stairs in schools, offices and public buildings, stone flights where the nose has worn round, back-of-house stairs, and any flight where a survey shows the riser is out of plumb.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eExtruded aluminium, 5mm gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTread width\u003c\/th\u003e\n\u003ctd\u003e65mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRiser height\u003c\/th\u003e\n\u003ctd\u003e55mm, raked back at 83 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTread surface\u003c\/th\u003e\n\u003ctd\u003eMilled fluting across the full width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFixing\u003c\/th\u003e\n\u003ctd\u003eConcealed — screwed through the rear channel, covered by a 13mm PVC strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCover strip options\u003c\/th\u003e\n\u003ctd\u003eCastellated or smooth textured PVC in black, light grey, polar grey or yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinishes\u003c\/th\u003e\n\u003ctd\u003eMill, satin, polished aluminium and black anodised\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLengths listed here\u003c\/th\u003e\n\u003ctd\u003e1.0m and 2.0m bars\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum mill length\u003c\/th\u003e\n\u003ctd\u003e2.5m (cut to size on request)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eScrews\u003c\/th\u003e\n\u003ctd\u003eDrilled for size 8 countersunk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBack edge\u003c\/th\u003e\n\u003ctd\u003eInterlocking — accepts a ramp extension, tread extender or nap detail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSlip resistance rating\u003c\/th\u003e\n\u003ctd\u003eNot published for this line; test data on request\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eChoosing the right option\u003c\/h3\u003e\n\u003cp\u003eFirst confirm the rake. Hold a level against the riser: if the face leans back from the nose, this is the profile; if it is plumb, the square version fits better. The rake is 83 degrees, which covers most older poured flights, but on a distorted stair check several steps rather than assuming the flight matches.\u003c\/p\u003e\n\u003cp\u003eThen pick the finish. Mill is the plain extrusion and the cheapest way to make a tired stair safe. Satin hides scuffing best and is the usual choice for public use. Polished suits front-of-house. Black anodised works against dark stone, or where a silver edge would draw the eye to a flight being left alone.\u003c\/p\u003e\n\u003cp\u003eThe 13mm cover strip is a finish decision: match it to the metal to keep the stair quiet, or specify yellow where the edge needs to be conspicuous. Castellated is lightly ribbed; smooth textured is flat and matt, and slightly easier to wipe.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation, use and care\u003c\/h3\u003e\n\u003cp\u003eCheck the nose for loose material and make good before fixing — a raked profile bears on the sloping face, so a crumbling edge will telegraph through. Drill and plug into concrete or screw direct into timber through the rear channel, bedding on a flexible adhesive where the face is irregular. Press the cover strip in from one end afterwards. Cut with a fine-tooth blade and deburr. Clean with warm water and a neutral detergent; keep abrasive pads away from anodised and polished finishes.\u003c\/p\u003e\n\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know if my stair is raked?\u003c\/strong\u003e Put a level on the riser. If the bottom of the face sits further back than the nose above it, the stair is raked and this profile will sit flat against it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the screws show?\u003c\/strong\u003e No — they go into the rear channel and the 13mm strip covers them.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix square and raked on one flight?\u003c\/strong\u003e Yes, and on an old stair you sometimes have to. Both use the same tread width and finishes, so the flight still reads as one detail.\u003c\/p\u003e\n\n\u003ch3\u003eOrdering and delivery\u003c\/h3\u003e\n\u003cp\u003eChoose the finish, cover strip and bar length above. Screws and plugs are not included, as fixings suit the substrate. Orders go on a tracked service, with longer bars on a dedicated length service. For a cut-to-size schedule, a matching ramp extension or a stringer trim, send the details and we will quote them together.\u003c\/p\u003e","brand":"Stair Nosings UK","offers":[{"title":"Mill Aluminium \/ Black Castellated \/ 1.0m","offer_id":48303541977246,"sku":"SNU-65X55RCF-M01-1000","price":64.0,"currency_code":"GBP","in_stock":true},{"title":"Mill Aluminium \/ Black Castellated \/ 2.0m","offer_id":48303542010014,"sku":"SNU-65X55RCF-M01-2000","price":128.0,"currency_code":"GBP","in_stock":true},{"title":"Mill Aluminium \/ Black Smooth Textured \/ 1.0m","offer_id":48303542042782,"sku":"SNU-65X55RCF-M02-1000","price":64.0,"currency_code":"GBP","in_stock":true},{"title":"Mill Aluminium \/ Black Smooth Textured \/ 2.0m","offer_id":48303542075550,"sku":"SNU-65X55RCF-M02-2000","price":128.0,"currency_code":"GBP","in_stock":true},{"title":"Mill Aluminium \/ Light Grey Castellated \/ 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