{"product_id":"bretter-gehobelt-und-geschliffen-1","title":"Boards planed and sanded from robinia wood","description":"\u003cp\u003eThe boards are made from selected wood, precisely planed to size and then sanded with fine grit. The wood contains only knots that are well integrated. Planing and subsequent sanding create a very smooth surface on the boards. Smaller roughness at integrated knots or other areas with differing wood structure is reduced by sanding, but cannot be completely avoided.\u003c\/p\u003e\n\u003cp\u003eBoards made from black locust cannot be nailed - the wood is far too hard for that. If you manage to drive in a nail, the wood may split because it does not yield. Even when using wood screws, you must pre-drill. Stainless steel screws are recommended. Only galvanized screws will start to rust outdoors sooner or later, while black locust wood will last for decades.\u003c\/p\u003e\n\u003cp\u003eBy choosing black locust wood, you are opting for a wonderful product of nature. This is not an artificial, standardized material. Each piece has its individuality, its liveliness through certain irregularities. These only become defects if they impair functionality.\u003c\/p\u003e\n\u003cp\u003eDimensional tolerances: The specified thickness measurements apply with a tolerance of 0.3 mm (at the time of delivery). Due to drying, the thickness measurements can decrease by up to 6%. The specified length is accurate to 2 mm.\u003c\/p\u003e\n\u003cp\u003e\u003ca name=\"_Hlk170825838\"\u003e\u003c\/a\u003eQuality features: Even, straight-grained wood; at most small, integrated knots in a limited number.\u003c\/p\u003e\n\u003cp\u003eWarping and cracks: Wood is alive, as its moisture content - depending on the ambient humidity and climate - affects the dimensions and internal stresses of the wood. Across the grain direction (radial, tangential), dimensions can change by up to 6% in practice, while in the grain direction (axial) the change is very minimal.\u003c\/p\u003e\n\u003cp\u003eLarger internal stresses are released by the wood warping and cracking. This must be taken into account. (Our ancestors, whose main material was wood, did this; we tend to forget it today.)\u003c\/p\u003e\n\u003cp\u003eThe above is even more true the harder the wood is; black locust wood is the hardest among woods.\u003c\/p\u003e\n\u003cp\u003eHow the wood warps and cracks is not concretely predictable. The drier the wood is, the greater the volume shrinkage and the more and larger the cracks are generally. There can be several cracks, or it may concentrate on just one large crack.\u003c\/p\u003e\n\u003cp\u003eOn the other hand, the thickness of the wood is crucial. The thicker the wood is, the greater the volume shrinkage that is \"compensated\" by the cracks. From wood thicknesses of 6 cm, cracks are unavoidable, no matter how carefully it is dried.\u003c\/p\u003e\n\u003cp\u003eThe ambient climate can vary greatly. Unprotected or covered outdoors, unheated or heated indoors, sunny side or shady side.\u003c\/p\u003e\n\u003cp\u003eSince we do not know the ambient climate at the place of use, we deliver sawn timber air-dried, i.e., with a wood moisture content of about 20%, no more. Then there will be at most minor cracks - in relation to the thickness (see above). In a shady place, the wood will hardly dry out further.\u003c\/p\u003e\n\u003cp\u003eRapid further drying of the wood in the sun or in a protected place amplifies the stresses in the wood. Then the wood can warp and crack far beyond the unavoidable extent. If you store the wood, please do so in a shady, cool place and secured.\u003c\/p\u003e\n\u003cp\u003eCracks do not impair the strength, load-bearing capacity, and lifespan of the wood.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Robinia 24","offers":[{"title":"80 cm \/ 1.5x4.3 cm","offer_id":56367760245067,"sku":"08.22.02.-0001","price":9.55,"currency_code":"EUR","in_stock":true},{"title":"80 cm \/ 1.5x8.3 cm","offer_id":56367760277835,"sku":"08.22.02.-0002","price":15.19,"currency_code":"EUR","in_stock":true},{"title":"80 cm \/ 1.5x9.3 cm","offer_id":56367760310603,"sku":"08.22.02.-0003","price":16.97,"currency_code":"EUR","in_stock":true},{"title":"80 cm \/ 1.8x4.3 cm","offer_id":56367760343371,"sku":"08.22.02.-0004","price":10.63,"currency_code":"EUR","in_stock":true},{"title":"80 cm \/ 1.8x8.3 cm","offer_id":56367760376139,"sku":"08.22.02.-0005","price":18.17,"currency_code":"EUR","in_stock":true},{"title":"80 cm \/ 1.8x9.3 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