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LAMINATES
Laminate is a glued product, produced mainly from lumber with the grain of all boards, running parallel to one another. The product is used in beams, columns and arches for buildings; boat keels aircraft carrier decking, minesweepers and helicopter propellers. In curved products, production involves simultaneous bending and gluing.
Laminated wood possesses several advantages over solid wood. Large number of products of various shapes and sizes which are impossible to make from solid wood can be fabricated from laminated wood. The individual boards used, due to their relatively small thickness, may be properly dried without checking, and defects, such as knots, may be removed; structures may be designed on the basis of required strength and wood of low grade can be positioned accordingly. Moreover, gluing permits utilization of small dimensions.
Special products are made of veneer sheets that are impregnated with synthetic resin, assembled parallel or in the conventional plywood manner, then pressed and glued. This results in "improved wood" characterized by high density; improved dimensional stability, strength and appearance; and resistance to fungi, insects, fire and weathering. Finally, veneer and plywood are fabricated into sandwich constructions by gluing in combination with other materials, such as fibreboard, paper, cloth, asbestos, metal, and plastics.
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