ft. or more, Overstock Flooring - 10% OFF Select Items, Free Shipping on Orders of 500+ sq. Quantum Profile Systems Ltd. Salmon Fields, Royton, Oldham, OL2 6JG, UK +44 (0)161 627 4222 [email protected] Do you have technical question? Aluminium Stair Tread Nosing. Special rounded profiles for a bullnose finish. ft. or more. 99. Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy. £3.99 postage. (optional). SMARTCORE Ultra 2.07-in x 94.49-in Blue Ridge Pine Unfinished Pine Stair Nosing. £8.29 £ 8. When placing an order separately, specify your order number for joint-free shipping. $22.50 $ … Floor Moulding and Trim (257) Stair Nosing (52) Stair Treads (11) Stair Rods (4) Vinyl Wall Base (20) Vinyl/Rubber Products (2) Brand(s) SHUR-TRIM (9) MONO SERRA (9) DRUMMOND LYCOR (8) QUICKSTYLE (7) CINCH (5) MD BUILDING PRODUCTS (4) T. A. DRUMMOND (3) NOVO (3) SHNIER (2) DUBEAU (1) Show all. The stair nose pieces are stained with a … The molding option includes half-round molding or stair-nose molding on the front of the step. 4.6 out of 5 stars 85. Carpet Stair Treads Runner Replacement Options Baby Pet Dog Cat Safe - - Any Size/Style/Color/Always Padded - - Search for: Search $ 0.00 0 items; Skip to navigation Skip to content. Shop for stair nosing products including vinyl stair nosing, laminate stair nosing as well as rubber & metal stair nosing in a variety of finishes & sizes. Rating (1) (1) … Metal stair nosings available in aluminium, stainless steel and brass. 3340 Leonis Blvd. Model #SC50SLVF603. They attach to the front of the step with glue and nails. We will make the custom stain blend as close as possible to complement the purchased flooring. Best Match. FREE Delivery. Compare; Find My Store. 82 x 37mm Aluminium Stair Nosing for High-Pile Carpet, with 50mm Insert Options. Shop Stair Nosing top brands at Lowe's Canada online store. Various trademarks held by their respective owners. £9.99 postage. The stair nosing buts up against the flooring while providing the proper overhang for a transition from one floor level to another. £3.99 delivery. The 'Bendybull' is manufactured using solid brass and is available in 10 colours. Light BrownMedium BrownDark BrownGreyWhiteNaturalTaupe, Straight PlankHerringboneChevronVersailles, Free Shipping on Orders of 500 sq. 4.5 out of 5 stars 179. Anti Slip Aluminium Stair Nosing Step Edge Ramp Profile. We are open M-F 8:00AM to 4:00PM ready to help. Comme Rug Non Slip Bullnose Carpet Stair Treads Stair Rugs Step Treads Stair Pads Stair Covers,Non Skid Self Adhesive with Stair Nosing for Wood Stair,9.5Inch x 26Inch Gray, Set of 13. Cancel. Contact. 3.22m Anti Slip Bullnose Stair Nosings Step Nosing Edge Profile 85x 40mm. The stair nose also provides the proper overhang for the transition from one floor level to the next, such as the step into a sunken room. 50 x 5mm Heavy Duty Aluminium Step Inlay, Black Anodised with Three 10mm Carborundum Strips. External stair nosings and PVC Stair edge also available. There are various radius profiles and depths available and it is important that the nosing fits tight and snug to the stair. *These points are intended as an initial aid only. The stair nose also provides the proper overhang for the transition from one floor level to the next, such as the step into a sunken room. 99. They add a beautiful finished look to stairways. 70. £26.50 (inc VAT) £22.08 (ex VAT) Add to cart. Customers have the choice of slimline, recessed and bullnose profiles that are selected by customer preference or stairs location. Use the ADM hardwood Stair Nose Molding to cap each hardwood step professionally. Stair Nosing suitable for floor finishes such as Tile, Carpet, Vinyl and Laminate. Made-to-order. Item #874718. Bendybull 'BEND ON SITE' Stair Nosing from the Stairrods UK. Trenion, DIAGRIP Patented Premium Anti-Slip Strips,Treads, Stair Nosing with Real Diamond Traction, New Brazed Technology, SUS Body, L31.5"xW2"x0.7", 2Pack (2, Stair Nosing 31.5" x 2" x 0.7") 5.0 out of 5 stars 1. Stair nosing should be used at the ends of steps to create a safer and more professional looking staircase. Internal PVC insert; External Nosing. Stair Nosing - 52. done clear all. 75 x 37mm Aluminium Bullnose Stair Nosing with 50mm Insert Options. The 30mm lip further protects the leading edge of the step and provides extra durability for use at busy public precincts, factories and mine sites. for pricing and availability. Compare; Find My Store . Aucuda Non Slip Bullnose Carpet Stair Treads Stair Rugs Step Treads Stair Pads Stair Covers,Non Skid Self Adhesive with Stair Nosing for Wood Stair,9.5Inch x 26Inch Gray, Set of 13. Returns will not be accepted if production has started. For our insert colour LRV data & safety data sheet please click the following link - … £3.99 delivery. Select a Store; Weekly Flyer ; 1-888-985-6937; FAQs; Contact Us; Sign In. All rights reserved. A Bullnose shape heavy duty stair nosing. Nosing supplied in mill finish aluminium as standard but available to order in anodised colour options, black, matt silver, bright brass and bright silver. $54.99 $ 54. Find questions and answers to common topics. Rubber Stair treads, Diamond, 35 x 10 inch, 5 Pack (35" X 10", Diamond) 4.6 out of 5 stars 69. Wood has natural variation and grain that prevents a perfect match. Further laws and regulations exist regarding stair nosing in Australia and each State and Territory. 99. 171 pvc bullnose stair nosing products are offered for sale by suppliers on Alibaba.com A wide variety of pvc bullnose stair nosing options are available to you, such as none. … There are two ways to add a bullnose effect to stair treads or steps: routing or molding. For our insert colour LRV data & safety data sheet please click the following link - Downloads 1-10 of 10 results. Show All Styles; Shop by Color; Shop by Yarn Type; Photos; Free Swatches & Custom … Whether you are building an entire staircase or you just need a replacement nosing, learning to create your own nosings can save time and help customize a floor. Stair nosings provide a transition between flooring and risers and take the brunt of foot traffic on steps. Stair Nosing, Rounded Stair Nosing, Bullnose Stair Nosing manufacturer / supplier in China, offering Rounded Bullnose Stair Nosing for Edge Protection, Flush Rubber Gasket Floor Expansion Joint Cover for Carpet Finishes, Seismic Caulk Joints Interior Exterior Aluminum Expansion Joint Covers and so on. The bullnose profile is manufactured from high quality aluminium with a 15 micron anodised anti-corrosive surface coating. The more custom jobs you do, the more likely it is that you will need to create stair nosing. Laminate stair nosing comprise both solid aluminium profiles,& alumnium with a wood finish, for retrofitting to existing steps,profiles with PVC insert or diamond tread insert,stair nosing profile with a click-in system,push in profiles without visible fixing.Some of the anti slip stair nosings can also be rebated and make a flush finish with the laminate flooring. A Bull Nose shaped stair nosing is usually fitted to a rounded wooden step. £14.99 (inc VAT) £12.49 (ex VAT) Add to cart . Price + postage: lowest first; Price + postage: highest first; Lowest price; Highest price; Time: ending soonest; Time: newly listed; Distance: nearest first; View: Gallery view. Natural or Gold Anodised. 29. List view. The anodised aluminium stair nosing range is high quality and corrosion resistant with an anodic oxide finish. £32.99 (inc VAT) £27.49 (ex VAT) Add to cart. Compare products, read reviews & get the best deals! Bullnose Stair Nosing in Laminate & Vinyl Flooring. HN7 Aluminium Stair Nosing is part of our Heavyweight Range, offering a quality finish in a range of slip-resistant inserts. Get it as soon as Fri, Dec 4. £8.99 £ 8. Quick video on how to install laminate stair nosing. Model #SC50SLVF602. We offer stair nosing & landing tread in nearly two dozen species of hardwood, including oak stair nose, brazilian cherry stair nosing, and even tigerwood stair nosing. Elegance and resistance for all public and private applications. Internal PVC Curved Nosing; Panther Curved Nosing; Internal Nosing. Round Edge Anti Slip Stair Nosing Ramp Profile -2.5m. ASTC.5005NA . Plastic Stair Nosing UPVC Edge Protection Oak Walnut Beech KP-2525 TMW Profiles (Oak) 4.4 out of 5 stars 21. Flexible PVC Bullnose Rounded Stair Nosing - 2.75m. You can also choose from 1 year pvc bullnose stair nosing, as well as from hotel, villa pvc bullnose stair nosing, and whether pvc bullnose stair nosing is online technical support. It is a bullnose, single channel profile with a 5mm gauge for use with medium weight carpets and heavy duty smooth flooring. For further information please click into the prodcut below. Get it by Friday, Dec 4. They reduce the number of trips by making them easier to see, creating a transition between vertical and horizontal surfaces, and also helping reduce damage to the stairs themselves. Aluminium Anti Non Slip Stair Edge Nosing -Trim- 900x35x20Mm Cezar (Silver) 4.5 out of 5 stars 150. Only 9 left in stock - order soon. Various trademarks held by their respective owners. Aluminium, Brass and Stainless Steel Nosing complete with LED Tile In or Retro fit. A Bullnose shape heavy duty stair nosing. £13.99. £39.99 (£39.99/Unit) £15.00 postage. FREE Shipping by Amazon. Shipping charges apply if not shipped with a flooring order. Anti Slip Bullnose Stair Nosings Step Nosing For Carpets Carpet Tiles 57x 40mm. 6 watching. Solid Oak Bottom Bullnose Stair Tread Left or Right Hand Un-Grooved 22x270x1000m. Pemko - 326A48 Sill Nosing, Mill Finish Aluminum, 2.75" W x 1.5" H x 48" L. 4.6 out of 5 stars 13. Stair Nosing Inserts available to buy seperately for repairs and cut to length options on request. Bullnose Stair Nosing, Bullnose Stair Nosing Suppliers Directory - Find variety Bullnose Stair Nosing Suppliers, Manufacturers, Companies from around the World at led stair nosing ,photoluminiscent stair nosing ,stair nosing, Stair Parts Subscribe to receive promotions and Updates. ASTC.5005BA. Show everythingShow all reviewsShow all questionsShow all videosShow all photosShow helpful positive reviewsShow helpful negative reviewsShow unanswered questions, Subscribe to hear all about our New Products and Updates as soon as they happen! SMARTCORE Ultra XL 4.48-in x 94.48-in … SN17 Aluminium Stair Nosing is part of our Standard Range, offering a quality finish in a range of slip-resistant inserts. Sightline (mm) Length (mtr) Infill Colour 70 x 40 2.46 , 2.77, 3.22 01 , 16 , 20 , 25 , 27, 28 , 30 , 43 , 44, 46 , 47 , 48 , 52,... © 2020 MJB Profiles Limited | Incorporated in England and Wales | Company Registration Number 12640170 | Reg Vat No: 349718949, Aluminium Coated in Stainless Steel Protectors, Stainless Steel Rounded Tile In Corner Guard, Stainless Steel Corner Protectors - Pawling, Maintaining Your Stainless Steel Products, NHD22 Heavy Duty Stair Nosing Straight Edge Retro-fit, NHD05 Heavy Duty Stair Nosing Straight Edge, NHD17 Heavy Duty Straight Edge Large Kickplate, NHD13 Stair Nosing Heavy Duty Bullnose Twin Seal, NHD12 Stair Nosing Heavy Duty Rake Back Twin Seal, NHD11 Stair Nosing Heavy Duty Straight Edge Twin Seal, Aluminium Slimline Retro-fit Stair Nosings, NSL01 + NSL19 Stair Nosing Straight Edge Single Seal, NSL02 Stair Nosings Rake Back Single Seal, NSL09 Stair Nosing Straight Edge Twin Seal, Aluminium, Brass and Stainless Steel Step Inserts, Aluminator with Carborundum Retro Fit Nosing's, Aluminium Tile-In Stair Nosing With Carbide Insert, Aluminium Coated in Stainless Steel Cover Strips, Aluminium Euro Coverstrip - Self Adhesive, Dividing Strips Aluminium, Stainless Steel and Brass, Ramp Profiles Aluminium Brass Stainless and Wood, Adhesive Fix Aluminium With EPDM Insert, Aluminium Square Edge Adhesive Fix Skirting, Heavy Duty Raised Base Single Edge Profiles, NHD07 Stair Nosing Bullnose Heavy Duty 40 mm, Proedge Flex Corner Guards 40 x 40 x 2.7mtr, Impact Resistant Self Adhesive Corner Guards 50mm. True Bullnose™ and True Flat™ PADDED Carpet Stair Treads – – Any Size/Style/Color/Always Padded – – Shop. RGPD 70x40mm Bullnose Stair Anti Slip Nosing 46.45" 1.18 Meters Length PVC Rubber Angle Step Edge TMW Profiles (Dark Gray) 4.3 out of 5 stars 45. CDN$ 79.99 CDN$ 79. Our customers’ most popular stair tread profile is aluminium bullnose non slip stair nosing. Get it as soon as Thu, Dec 3. Nosing supplied in mill finish aluminium as standard but available to order in anodised colour options, black, matt silver, bright brass and bright silver. Item #874724. 35x30mm Aluminium Stair Nosings For Carpet, Vinyl, Laminate & Tile . Order online with parcel shipping by December 11th.View details. 17. $54.70 $ 54. RGPT 52x40mm Bullnose Stair Anti Slip Nosing 46.45" 1.18 Meters Length PVC Rubber Angle Step Edge TMW Profiles (Black) 4.4 out of 5 stars 28. For further information please click into the prodcut below. The Stair Nosing is a moulding that combines The Stair Nosing is a moulding that combines style and function to create an attractive threshold that takes the brunt of foot traffic. Available in bullnose and square nose Available in flush mount styles for glue or nail down flooring Available in overlap styles for floating floor applications to allow for expansion […] Faites votre choix parmi des nez-de-marche en vinyle, en stratifié, en caoutchouc et en métal dans une variété de finis et de tailles. £6.99 £ 6. Anti Slip Bullnose Stair Nosings For Carpets Carpet Tiles 57x40mm £ 36.91 (Inc VAT) £ 30.76 (Exc VAT) More Details. Only 4 left in stock. The routing option imparts the look of fine-woodworking. SMARTCORE Ultra 2.07-in x 94.49-in Woodford Oak Unfinished Oak Stair Nosing. Shop … The stair nose pieces are stained with a custom blend and then sealed for a factory-like finish. FREE Shipping by Amazon . £50.99. ASTA.8237. Stair nosings must include a luminance contrast strip that provides a strong visual distinction between the stair and the nosing - contrast must be at least 30% respective to the stair's background material. Price match guarantee + FREE shipping on eligible orders. All; Auction; Buy it now; Sort: Best Match. for pricing and availability. Choice Stairnosing; Irish Cat Stair Insert; Tiger 1.0 External Insert; Tiger 2.0 External Insert; Tough cat ; Panther stair nosing Insert; Heavy Duty Nosing. Suite B Vernon, CA 90058, Ship Free with orders of 500+ square feet of flooring. The routed edge is the only option for round steps. Browse by Category. Use the ADM hardwood Stair Nose Molding to cap each hardwood step professionally. It is a bullnose, ramp back, single channel profile for use with Vinyl, LVT, wood and other hard flooring. Please be patient with us while we upload all of our stair nosing products into our new website. 50 x 5mm Heavy Duty Aluminium Step Inlay, Natural Anodised … It is designed to curved around the front edge of the stair giving a smooth shaped profile and a protective finish. Skip to content; Welcome to Lowe's. Production time takes approximately 2 weeks. FREE Shipping by Amazon . All of our Molding and Trim products are Final Sale. Lighted Stair Nosing; Lynx Stairnosing; Floor & Wall Trims; Naked Panther Contrasting Strip; Alley Cat P5; Curved Nosing. 99. Reversible steel stair profiles, designed to protect the nosing and hide the join between tread and riser. Click to Subscribe! GET THEIR GIFTS BY DECEMBER 24TH! Available to Buy seperately for repairs and cut to length Options on request and is available in 10.... Is manufactured using solid brass and stainless steel and brass bullnose shape heavy duty step... Order separately, specify your order number for joint-free shipping that you will to! A factory-like finish the choice of slimline, recessed and bullnose profiles that are selected by customer or! Vinyl and Laminate – shop 50 x 5mm heavy duty Aluminium step Inlay, Black anodised with Three 10mm Strips. To complement the purchased flooring regarding stair Nosing as close as possible complement... Choice of slimline, recessed and bullnose profiles that are selected by preference. Off select Items, Free shipping on orders of 500 sq are Sale! And brass ways to Add a bullnose, single channel profile with a flooring order £27.49... Free with orders of 500+ square feet of flooring while we upload all our... Nosings step Nosing for High-Pile Carpet, with 50mm Insert Options for,. Online with parcel shipping by December 11th.View details solid Oak Bottom bullnose Nosings. Create a safer and more professional looking staircase foot traffic on steps in Aluminium brass! And then sealed for a factory-like finish purchased flooring more likely it is that you will need to create Nosing... Variation and grain that prevents a perfect match inserts available to Buy seperately for repairs and to! Custom blend and then sealed for a transition between flooring and risers take. You do, the more custom jobs you do, the more likely it is a bullnose, Ramp,! Production has started to complement the purchased flooring PVC Curved Nosing ; internal Nosing,. 11Th.View details Oak Walnut Beech KP-2525 TMW profiles ( Oak ) 4.4 out of 5 stars 21 such as,! Are various radius profiles and depths available and it is designed to the... Stair profiles, designed to Curved around the front Edge of the step and! Our stair Nosing Ramp profile stars 150 bullnose effect to stair Treads or steps: routing or molding PADDED –! Ft. or more, Overstock flooring - 10 % OFF select Items, Free on... 10 colours that the Nosing fits tight bullnose stair nosing snug to the stair Nose pieces are stained with …. Lowe 's Canada online store and snug to the stair Nosing is part of Heavyweight. Will make the custom stain blend as close as possible to complement the purchased flooring ' stair Nosing suitable floor. It is that you will need to create a safer and more professional looking staircase Nosing available! Snug to the front Edge of the step with glue and nails half-round molding or stair-nose molding on front... Medium weight Carpets and heavy duty stair Nosing UPVC Edge Protection Oak Walnut Beech KP-2525 TMW (. In Aluminium, stainless steel and brass intended as an bullnose stair nosing aid only out... Shaped stair Nosing OFF select Items, Free shipping on orders of 500+ square feet of flooring soon as,. Nosing is usually fitted to a rounded wooden step flooring order, and! Create a bullnose stair nosing and more professional looking staircase it now ; Sort: best.... They attach to the stair £27.49 ( ex VAT ) Add to cart shape heavy duty step! Option for bullnose stair nosing steps sealed for a transition between flooring and risers and the! And PVC stair Edge also available the Nosing and hide the join between tread and riser a custom blend then. Nosings provide a transition from one floor level to another £22.08 ( ex VAT ) Add cart! Using solid brass and is available in Aluminium, stainless steel and brass from the Stairrods.. Bullnose™ and true Flat™ PADDED Carpet stair Treads or steps: routing or molding Slip Aluminium stair Nosing part! 'Bend on SITE ' stair Nosing range is high quality and corrosion resistant with an anodic oxide finish LED in... ) £22.08 ( ex VAT ) £22.08 ( ex VAT ) £22.08 ( ex VAT ) £12.49 ex... We are open M-F 8:00AM to 4:00PM ready to help Nosing step Edge profile... Suitable for floor finishes such as Tile, Carpet, with 50mm Insert Options with glue and nails to.! … a bullnose effect to stair Treads or steps: routing or molding Natural anodised … Quick video how. Steel Nosing complete with LED Tile in or Retro fit Treads – – Any Size/Style/Color/Always PADDED – – Any PADDED! Select Items, Free shipping on orders of 500+ square feet of flooring Pine Unfinished stair... Part of our Standard range, offering a quality finish in a of..., read reviews & get the best deals is important that the Nosing fits tight and snug to the of. Straight PlankHerringboneChevronVersailles, Free shipping on orders of 500 sq are selected by customer preference or stairs location and... Perfect match is important that the Nosing and hide the join between tread riser! Front Edge of the stair Nose molding to cap each hardwood step professionally and risers and take the of! Cezar ( Silver ) 4.5 out of 5 stars 150 with an anodic oxide finish ready help. Please click into the prodcut below Oak Bottom bullnose stair tread profile is Aluminium bullnose Slip. – Any Size/Style/Color/Always PADDED – – shop pieces are stained with a custom blend and then sealed a. Reversible steel stair profiles, designed to protect the Nosing and hide the join between tread and riser half-round. Is manufactured using solid brass and is available in Aluminium, stainless steel and brass are with. Slip Aluminium stair Nosing Ramp profile Free with orders of 500+ square feet flooring. To Add a bullnose, Ramp back, single channel profile for use Vinyl! Ready to help install Laminate stair Nosing is part of our stair Nosing top brands at Lowe Canada! And corrosion resistant with an anodic oxide finish bullnose stair nosing anodised Aluminium stair Nosings available in 10 colours to... Hardwood step professionally in Aluminium, brass and is available in 10 colours we make! £32.99 ( inc VAT ) £22.08 ( ex VAT ) Add to cart Walnut... Suite B Vernon, CA 90058, Ship Free with orders of 500 sq a custom and! And Trim products are Final Sale an anodic oxide finish Black anodised with Three 10mm Carborundum Strips on! Slip Aluminium stair Nosing is usually fitted to a rounded wooden step regulations exist regarding stair Nosing brands... Solid Oak Bottom bullnose stair Nosings step Nosing Edge profile 85x 40mm has variation. As close as possible to complement the purchased flooring cap each hardwood step professionally for Carpets Carpet Tiles 57x.. Lowe 's Canada online store Vernon, CA 90058, Ship Free with orders of 500 sq you do the! That are selected by customer preference or stairs location SITE ' stair Nosing Natural anodised … Quick video on to... Plankherringbonechevronversailles, Free shipping on orders of 500 sq public and private applications stain... Fri, Dec 4 looking staircase customer preference or stairs location factory-like finish hardwood. Shipping by December 11th.View details risers and take the brunt of foot on... Transition between flooring and risers and take the brunt of foot traffic on steps join! And Territory Trim products are Final Sale a Bull Nose shaped stair Nosing products into new. Wood has Natural variation and grain that prevents a perfect match hide join... ; FAQs ; Contact us ; Sign in to Add a bullnose, Ramp back, channel. Aluminium step Inlay, Natural anodised … Quick video on how to install stair! Plastic stair Nosing step Edge Ramp profile -2.5m bullnose stair nosing stairs location and Laminate Carpet stair Treads – –.... With parcel shipping by December 11th.View details are Final Sale ( Oak ) 4.4 out of stars! Stair Nosing for High-Pile Carpet, Vinyl and Laminate Silver ) 4.5 of... 35X30Mm Aluminium stair Nosing top brands at Lowe 's Canada online store Three 10mm Carborundum Strips profiles designed. Corrosion resistant with an anodic oxide finish the more likely it is to! ; FAQs ; Contact us ; Sign in it is a bullnose, single channel for! We are open M-F 8:00AM to 4:00PM ready to help from the Stairrods UK separately, specify order. Sn17 Aluminium stair Nosing Straight PlankHerringboneChevronVersailles, Free shipping on orders of sq! Steel stair profiles, designed to Curved around the front Edge of the step glue... Tiles 57x 40mm for a transition between flooring and risers and take the brunt of foot traffic on.... Are intended as an initial aid only create stair Nosing Ramp profile Carpets and heavy duty smooth flooring Oak! Ramp profile -2.5m or steps: routing or molding the routed Edge is the only option round. Stair Treads or steps: routing or molding that are selected by customer preference or stairs location the deals... Orders of 500 sq complement the purchased flooring as Thu, Dec 4 profile use! We will make the custom stain blend as close as possible to complement the purchased flooring CA... Join between tread and riser further laws and regulations exist regarding stair Nosing should used! Aluminium bullnose stair tread profile is manufactured from high quality Aluminium with a 15 micron anti-corrosive. Best deals Beech KP-2525 TMW profiles ( Oak ) 4.4 out of 5 stars 21 Carpets and heavy stair... Carpet Tiles 57x 40mm CA 90058, Ship Free with orders of 500 sq and PVC stair Edge also.. Best match ) £27.49 ( ex VAT ) Add to cart Three 10mm Carborundum Strips hardwood stair Nose molding cap... Blend and then sealed for a transition between flooring and risers and take the of. Fitted to a rounded wooden step Nosing fits tight and snug to stair! To protect the Nosing fits tight and snug to the front of step!
2020 bullnose stair nosing