{"product_id":"stair-tread-windowsill-risers-oak-rustic-full-stave-lamellas-20-mm-black-oil","title":"Shelf Stair tread Risers Windowsill Oak Rustic, full stave lamellas, 20 mm, Black oil","description":"\u003cdiv\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"product-specs\"\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cstrong\u003eWood:\u003c\/strong\u003e Oak\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e Rustic\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 20 mm\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: black oil\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003cspan\u003e: solid, full stave lamellas\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e\u003cspan\u003e customizable – see configuration options\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSurface\u003c\/strong\u003e: knots black filled, sanded\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMoisture: \u003c\/strong\u003e9-11%\u003cbr\u003e\u003cmeta chars\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.spec-grid {\n  display: grid;\n  grid-template-columns: repeat(2, 1fr);\n  gap: 4px 24px;\n}\n.spec-grid div {\n  line-height: 1.3;\n  margin: 0;\n}\n\u003c\/style\u003e\n\u003ch3 data-start=\"369\" data-end=\"414\" style=\"text-align: center;\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3 data-start=\"369\" data-end=\"414\" style=\"text-align: center;\"\u003e\u003cstrong\u003eOak Rustic – Full Stave Solid Oak Board\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-star data-end=\"761\"\u003eThis product is made from \u003cstrong data-start=\"442\" data-end=\"471\"\u003esolid oak in Rustic grade\u003c\/strong\u003e, featuring long, continuous lamellas that run the full length of the board. The \u003cstrong data-start=\"552\" data-end=\"579\"\u003efull stave construction\u003c\/strong\u003e gives it a natural, elegant look with uninterrupted wood grain. Each piece shows real oak character — knots, color variations, and expressive texture that make every board unique.\u003c\/p\u003e\n\u003cp data-star data-end=\"1116\"\u003e\u003cstrong data-start=\"763\" data-end=\"777\"\u003eRustic oak\u003c\/strong\u003e means that natural features such as visible knots, filled imperfections, and shade differences are intentionally preserved. This grade highlights the authentic side of oak — warm, organic, and full of contrast. It’s ideal for stair treads, windowsills, shelves, or furniture where you want both durability and a genuine wood appearance.\u003c\/p\u003e\n\u003cp data-st data-end=\"1455\"\u003eThe \u003cstrong data-start=\"1122\" data-end=\"1145\"\u003efull stave lamellas\u003c\/strong\u003e provide exceptional visual continuity and natural strength. Each lamella runs the entire length of the board, minimizing joints and enhancing structural integrity. This results in a solid, stable surface with a premium look — strong enough for heavy use, yet refined enough for interior design applications.\u003c\/p\u003e\n\u003cp data-star data-end=\"1649\"\u003eAll boards are produced in-house and available in various thicknesses, edge profiles, and finishes — \u003cstrong\u003eoiled, lacquered\u003c\/strong\u003e, or \u003cstrong\u003ewaxed\u003c\/strong\u003e. Custom dimensions can be made to order for specific projects.\u003c\/p\u003e\n\u003ch3 data-star data-end=\"1679\" style=\"text-align: center;\"\u003e\u003cstrong\u003eAdvantages at a Glance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1681\" data-end=\"1698\"\u003e\u003cstrong data-start=\"1681\" data-end=\"1696\"\u003eRustic Oak:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1701\" data-end=\"1761\"\u003eNatural wood surface with visible knots and grain contrast\u003c\/li\u003e\n\u003cli data-start=\"1701\" data-end=\"1761\"\u003eWarm and expressive tone that adds character to any room\u003c\/li\u003e\n\u003cli data-start=\"1701\" data-end=\"1761\"\u003eUnique appearance — no two boards are the same\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-star data-end=\"1905\"\u003e\u003cstrong data-start=\"1875\" data-end=\"1903\"\u003eFull Stave Construction:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1908\" data-end=\"1958\"\u003eContinuous lamellas across the full board length\u003c\/li\u003e\n\u003cli data-start=\"1908\" data-end=\"1958\"\u003eFewer joints for better strength and a seamless look\u003c\/li\u003e\n\u003cli data-start=\"1908\" data-end=\"1958\"\u003ePremium solid wood appearance with lasting stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2074\" data-end=\"2092\" style=\"text-align: center;\"\u003e\u003cstrong\u003eCare \u0026amp; Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2093\" data-end=\"2247\"\u003eClean gently with a soft damp cloth, avoiding harsh cleaning products. Re-oil or wax occasionally to maintain the surface and enhance the natural color.\u003c\/p\u003e\n\u003cp data-start=\"2249\" data-end=\"2375\"\u003e\u003cem\u003eAs oak is a natural material, each board varies slightly in grain and tone — this variation is part of its authentic beauty.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-star data-end=\"2549\"\u003e\u003cstrong\u003eBring the true charm of Oak Rustic Full Stave into your space — a natural, durable, and timeless solid oak board for stairs, shelves, sills, and furniture elements.\u003c\/strong\u003e\u0026lt;\u003c\/p\u003e","brand":"Lignau","offers":[{"title":"150 x 400 mm","offer_id":55473845928201,"sku":"SH-OA20-150-400-R-FL-SO","price":83.86,"currency_code":"PLN","in_stock":true},{"title":"150 x 500 mm","offer_id":55473845960969,"sku":"SH-OA20-150-500-R-FL-SO","price":112.28,"currency_code":"PLN","in_stock":true},{"title":"150 x 600 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