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Plywood for indoor use generally uses the less expensive urea-formaldehyde glue, which has limited water resistance, while outdoor and marine-grade plywood are designed to withstand moisture, and use a water-resistant resorcinol-formaldehyde or phenol-formaldehyde glue to prevent delamination and to retain strength in high humidity.
Particleboard with veneer. Particle board, also known as particleboard or chipboard, is an engineered wood product, belonging to the wood-based panels, manufactured from wood chips and a synthetic, mostly formaldehyde based resin or other suitable binder, which is pressed under a hot press, batch- or continuous- type, and produced. [1]
For use outside, CLS timber should be treated for external use. [4] Details. CLS timber is kiln-dried and is white wood. [9] Tree sources include Fir, Pine and Spruce.
Molded plywood is the term for two- or three-dimensionally shaped products from multiple veneer layers that are glued together through heat and pressure in a pressing tool. The veneer layers are arranged crosswise at an angle of 90 degrees.
Medium density overlay panel, or MDO panel, is a paintable surface made of plywood with a weather-resistant resin overlay bonded to the wood by heat and pressure. The overlay, which has at least 27% resin content, [1] resists water, weather, wear and degradation. A similar product with a more rugged, smoother surface is called high density ...
By gluing layers of wood at right angles, the panel is able to achieve better structural rigidity in both directions. It is similar to plywood but with distinctively thicker laminations (or lamellae). CLT is distinct from glued laminated timber (known as glulam), which is a product with all laminations orientated in the same way. [4]
In 2001, Sumitomo Forestry Crest Co., Ltd. was established as a result of the merger of Sumitomo Forestry Crex Co., Ltd., Sumirin Holz Co., Ltd., Sumirin Plywood Industries, Ltd. and Fuji Incombustible Building Materials Industry Co., Ltd. In 2003, the company entered the US wooden housing market in Seattle. It entered the Chinese market in 2004.
It is now more popular than plywood, commanding 66% of the North American structural panel market. [3] The most common uses are as sheathing in walls, flooring, and roof decking. For exterior wall applications, panels are available with a radiant-barrier layer laminated to one side; this eases installation and increases energy performance of ...