{"product_id":"shelf-stair-riser-smoked-oak-rustic-finger-jointed-20mm-black-oil","title":"Stair tread Windowsill with overhang Smoked Oak Rustic, finger jointed 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 Smoked 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, finger jointed 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 style=\"text-align: center;\" data-end=\"387\" data-start=\"331\"\u003e\u003cstrong data-end=\"385\" data-start=\"331\"\u003eSmoked Oak Rustic – Finger Jointed Solid Oak Board\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-en data-start=\"389\"\u003eThis product is made from \u003cstrong data-end=\"444\" data-start=\"415\"\u003esolid oak in Rustic grade\u003c\/strong\u003e, carefully \u003cstrong data-end=\"466\" data-start=\"456\"\u003esmoked\u003c\/strong\u003e to achieve a deep, rich color and enhanced natural contrast. The process highlights the oak’s texture and gives it a warm, elegant tone — from medium brown to darker shades, depending on the natural tannins in the wood. Combined with \u003cstrong data- data-start=\"701\"\u003efinger-jointed lamellas\u003c\/strong\u003e, it delivers both beauty and strength in one durable product.\u003c\/p\u003e\n\u003cp data-end=\"1092\" data-start=\"794\"\u003e\u003cstrong data-end=\"808\" data-start=\"794\"\u003eSmoked oak\u003c\/strong\u003e is not stained — it’s naturally darkened through a reaction between the wood’s tannins and ammonia vapor. This technique creates color that goes through the entire surface layer, not just on top. The result is an authentic, long-lasting tone that doesn’t fade with time or sanding.\u003c\/p\u003e\n\u003cp d data-start=\"1094\"\u003e\u003cstrong data-end=\"1112\" data-start=\"1094\"\u003eRustic grading\u003c\/strong\u003e means the wood retains its natural charm — visible knots, color variations, and expressive grain structure. It celebrates oak’s true character, bringing a sense of warmth and individuality to any space.\u003c\/p\u003e\n\u003cp data- data-start=\"1319\"\u003eThe \u003cstrong data-end=\"1354\" data-start=\"1323\"\u003efinger-jointed construction\u003c\/strong\u003e ensures stability and strength. Short oak lamellas are precisely joined and glued along their ends, creating a solid, flat surface resistant to warping and cracking. This structure allows efficient use of oak while maintaining the authentic appearance of natural wood.\u003c\/p\u003e\n\u003cp data-end=\"1797\" data-start=\"1627\"\u003eProduced in-house, each board is available in different thicknesses, edge profiles, and finishes — \u003cstrong\u003eoiled, lacquered, \u003c\/strong\u003eor\u003cstrong\u003e waxed\u003c\/strong\u003e. Custom dimensions can be made on request.\u003c\/p\u003e\n\u003ch3 styl center data-end=\"1827\" data-start=\"1799\"\u003e\u003cstrong\u003eAdvantages at a Glance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1853\" data-start=\"1829\"\u003e\u003cstrong data-end=\"1851\" data-start=\"1829\"\u003eSmoked Rustic Oak:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1905\" data-start=\"1856\"\u003eNaturally darkened color — no artificial stains\u003c\/li\u003e\n\u003cli data-en data-start=\"1856\"\u003eUnique tone variation depending on the wood’s structure\u003c\/li\u003e\n\u003cli data-en data-start=\"1856\"\u003eWarm, elegant appearance with a strong natural feel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2057\" data-start=\"2023\"\u003e\u003cstrong data-end=\"2055\" data-start=\"2023\"\u003eFinger-Jointed Construction:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"2096\" data-start=\"2060\"\u003eStable and durable solid oak board\u003c\/li\u003e\n\u003cli data-end=\"2096\" data-start=\"2060\"\u003eSmooth surface resistant to deformation\u003c\/li\u003e\n\u003cli data-end=\"2096\" data-start=\"2060\"\u003eSustainable and efficient use of high-quality wood\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\" data-end=\"2215\" data-start=\"2197\"\u003e\u003cstrong\u003eCare \u0026amp; Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2358\" data-start=\"2216\"\u003eClean gently with a soft, damp cloth and avoid aggressive cleaners. Re-oil or wax periodically to preserve the surface and enrich the color.\u003c\/p\u003e\n\u003cp data-end=\"2502\" data-start=\"2360\"\u003e\u003cem\u003eSince smoked oak reacts differently depending on the tannin content, tone and pattern may vary — each piece is unique and full of character.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-en data-start=\"2504\"\u003e\u003cstrong\u003eAdd depth and natural sophistication to your home with Smoked Oak Rustic — a durable, naturally dark solid oak board for stairs, shelves, windowsills, or furniture.\u003c\/strong\u003e\u0026lt;\u003c\/p\u003e","brand":"Lignau","offers":[{"title":"150 x 400 mm","offer_id":55728448962825,"sku":"ST-OA20-150-400-R-SMO-FJ-SO","price":102.84,"currency_code":"PLN","in_stock":true},{"title":"150 x 500 mm","offer_id":55728448995593,"sku":"ST-OA20-150-500-R-SMO-FJ-SO","price":141.28,"currency_code":"PLN","in_stock":true},{"title":"150 x 600 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