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We use triple-laminated scantlings in our window production. Each layer is made from a solid piece of wood.
The individual pieces are laminated with a waterproof glue according to the industrial standard EN 204 D4.
This process reduces tension and twisting in the wood and results in fewer cracks and grester durability. It also enables a selective aesthetic control of the surface layer in which only knot-free pieces are used.
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Pine
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Larch core with walnut face
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Larch