{"product_id":"retro-fit-stainless-steel-anti-slip-stair-nosing-r11-no-tile-removal-4-colours-34mm-59mm","title":"Retro-Fit Stainless Steel Anti-Slip Stair Nosing R11 | No Tile Removal | 4 Colours | 34mm \u0026 59mm","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eRetro-Fit Stainless Steel Anti-Slip Stair Nosing R11 (TREP-GK) — No Tile Removal Required\u003c\/h2\u003e\n\u003cp\u003eThe Schluter TREP-GK is a professional retro-fit stainless steel stair nosing with superior R11 slip resistance — the highest anti-slip rating for stair nosings. Bonds directly onto existing tiled, stone, or porcelain step edges using Kerdi-Fix adhesive. No tile removal, no disruption, no mess. The definitive commercial-grade solution for upgrading stair safety in offices, public buildings, hotels, and high-footfall environments without a full refurbishment.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBrushed stainless steel V2A \/ AISI 304 Grade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstallation Method\u003c\/th\u003e\n\u003ctd\u003eRetro-fit — bonds to existing step surface with Kerdi-Fix adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSlip Resistance\u003c\/th\u003e\n\u003ctd\u003eR11 (DIN 51 130) — mineral grain tread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Widths\u003c\/th\u003e\n\u003ctd\u003e34mm or 59mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e1m, 1.5m, 2.5m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTread Colours\u003c\/th\u003e\n\u003ctd\u003eYellow RAL 1021, Black RAL 9011, Nut Brown RAL 8007, Transparent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eInternal use — retro-fit over existing tiled\/stone steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdhesive Required\u003c\/th\u003e\n\u003ctd\u003eSchluter Kerdi-Fix (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy R11?\u003c\/h3\u003e\n\u003cp\u003eR11 is the highest commercial slip resistance rating for stair nosings under DIN 51 130. The TREP-GK uses a coloured mineral grain tape — the same industrial-grade grit used in professional safety flooring. Where R10 suits residential settings, R11 is the standard specified for offices, public buildings, schools, hospitals, retail, and hospitality venues where duty of care and DDA compliance are critical.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Retro-Fit?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls directly over existing tiles — no tile removal, no mess, no downtime\u003c\/li\u003e\n\u003cli\u003eTransform unsafe step edges in hours, not days\u003c\/li\u003e\n\u003cli\u003eIdeal for rental properties, landlords, and commercial refurbishment\u003c\/li\u003e\n\u003cli\u003eMaintains the appearance of your existing staircase\u003c\/li\u003e\n\u003cli\u003eR11 mineral grain tread provides maximum grip underfoot\u003c\/li\u003e\n\u003cli\u003eProfessional finish — purpose-built appearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eChoosing Your Colour\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYellow RAL 1021\u003c\/strong\u003e — high-visibility safety yellow, standard in commercial and public buildings for clear hazard identification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack RAL 9011\u003c\/strong\u003e — high contrast, contemporary finish, maximum visibility in light-tiled environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNut Brown RAL 8007\u003c\/strong\u003e — warm earthy tone that complements natural stone, wood-effect tiles, and terracotta\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransparent\u003c\/strong\u003e — clear tread that blends discreetly with your existing tiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSuitable Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial offices, corporate headquarters\u003c\/li\u003e\n\u003cli\u003eHotels, restaurants, and hospitality venues\u003c\/li\u003e\n\u003cli\u003ePublic buildings, schools, healthcare facilities\u003c\/li\u003e\n\u003cli\u003eRetail and shopping centres\u003c\/li\u003e\n\u003cli\u003eRental properties and HMOs\u003c\/li\u003e\n\u003cli\u003eAny existing tiled or stone staircase needing a commercial-grade safety upgrade\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eClean the step edge thoroughly. Apply Kerdi-Fix adhesive to the underside and bond firmly to the existing step. No drilling or tile removal required. Matching end caps and replacement mineral grain tread tape available separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUK Stock | R11 Commercial Grade | No Tile Removal | 4 Tread Colours | 34mm \u0026amp; 59mm Wide\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Stair Nosings UK","offers":[{"title":"CG Yellow RAL 1021 \/ 34mm \/ 1m","offer_id":48028239626398,"sku":null,"price":97.62,"currency_code":"GBP","in_stock":true},{"title":"CG Yellow RAL 1021 \/ 34mm \/ 1.5m","offer_id":48028239659166,"sku":null,"price":146.44,"currency_code":"GBP","in_stock":true},{"title":"CG Yellow RAL 1021 \/ 34mm \/ 2.5m","offer_id":48028239691934,"sku":null,"price":244.06,"currency_code":"GBP","in_stock":true},{"title":"CG Yellow RAL 1021 \/ 59mm \/ 1m","offer_id":48028239724702,"sku":null,"price":112.5,"currency_code":"GBP","in_stock":true},{"title":"CG Yellow RAL 1021 \/ 59mm \/ 1.5m","offer_id":48028239757470,"sku":null,"price":168.75,"currency_code":"GBP","in_stock":true},{"title":"CG Yellow RAL 1021 \/ 59mm \/ 2.5m","offer_id":48028239790238,"sku":null,"price":281.25,"currency_code":"GBP","in_stock":true},{"title":"GS Black RAL 9011 \/ 34mm \/ 1m","offer_id":48028239823006,"sku":null,"price":97.62,"currency_code":"GBP","in_stock":true},{"title":"GS Black RAL 9011 \/ 34mm \/ 1.5m","offer_id":48028239855774,"sku":null,"price":146.44,"currency_code":"GBP","in_stock":true},{"title":"GS Black RAL 9011 \/ 34mm \/ 2.5m","offer_id":48028239888542,"sku":null,"price":244.06,"currency_code":"GBP","in_stock":true},{"title":"GS Black RAL 9011 \/ 59mm \/ 1m","offer_id":48028239921310,"sku":null,"price":112.5,"currency_code":"GBP","in_stock":true},{"title":"GS Black RAL 9011 \/ 59mm \/ 1.5m","offer_id":48028239954078,"sku":null,"price":168.75,"currency_code":"GBP","in_stock":true},{"title":"GS Black RAL 9011 \/ 59mm \/ 2.5m","offer_id":48028239986846,"sku":null,"price":281.25,"currency_code":"GBP","in_stock":true},{"title":"NB Nut Brown RAL 8007 \/ 34mm \/ 1m","offer_id":48028240019614,"sku":null,"price":97.62,"currency_code":"GBP","in_stock":true},{"title":"NB Nut Brown RAL 8007 \/ 34mm \/ 1.5m","offer_id":48028240052382,"sku":null,"price":146.44,"currency_code":"GBP","in_stock":true},{"title":"NB Nut Brown RAL 8007 \/ 34mm \/ 2.5m","offer_id":48028240085150,"sku":null,"price":244.06,"currency_code":"GBP","in_stock":true},{"title":"NB Nut Brown RAL 8007 \/ 59mm \/ 1m","offer_id":48028240117918,"sku":null,"price":112.5,"currency_code":"GBP","in_stock":true},{"title":"NB Nut Brown RAL 8007 \/ 59mm \/ 1.5m","offer_id":48028240150686,"sku":null,"price":168.75,"currency_code":"GBP","in_stock":true},{"title":"NB Nut Brown RAL 8007 \/ 59mm \/ 2.5m","offer_id":48028240183454,"sku":null,"price":281.25,"currency_code":"GBP","in_stock":true},{"title":"T Transparent \/ 34mm \/ 1m","offer_id":48028240216222,"sku":null,"price":97.62,"currency_code":"GBP","in_stock":true},{"title":"T Transparent \/ 34mm \/ 1.5m","offer_id":48028240248990,"sku":null,"price":146.44,"currency_code":"GBP","in_stock":true},{"title":"T Transparent \/ 34mm \/ 2.5m","offer_id":48028240281758,"sku":null,"price":244.06,"currency_code":"GBP","in_stock":true},{"title":"T Transparent \/ 59mm \/ 1m","offer_id":48028240314526,"sku":null,"price":112.5,"currency_code":"GBP","in_stock":true},{"title":"T Transparent \/ 59mm \/ 1.5m","offer_id":48028240347294,"sku":null,"price":168.75,"currency_code":"GBP","in_stock":true},{"title":"T Transparent \/ 59mm \/ 2.5m","offer_id":48028240380062,"sku":null,"price":281.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/5274\/2046\/files\/72a699a20aafd09d5744737cb479fdc4.png?v=1784895291","url":"https:\/\/stairnosingsuk.co.uk\/products\/retro-fit-stainless-steel-anti-slip-stair-nosing-r11-no-tile-removal-4-colours-34mm-59mm","provider":"Stair Nosings UK","version":"1.0","type":"link"}