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It is grooved on one side to receive the web. The web is typically made from plywood, laminated veneer lumber, or oriented strand board. After sizing the webs and flanges, they are assembled with water-resistant glue by pressing the web into the top and bottom flange. After assembly, the I-joist is end-trimmed and heat-cured or left at room ...
Plywood for flooring applications is often tongue and groove (T&G); This prevents one board from moving up or down relative to its neighbor, providing a solid-feeling floor when the joints do not lie over joists. T&G plywood is usually found in the 13-to-25-millimetre (1 ⁄ 2 to 1 in) range.
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 ...
The tongue may or may not be of the same material as the grooved pieces joined by the tongue. For example, plywood flooring is commonly grooved at the edges, and plastic tongues are used to form the joint. In old sailor slang vernacular, a "tonguin" (pronounced / t ə ŋ ɪ n /) can refer to repairs made to a boat of tongue and groove construction.
Acrylic-impregnated wood flooring uses a layer of wood that is impregnated with liquid acrylic then hardened using a proprietary process. Birch plywood is commonly used as the substrate in engineered flooring due to its strength, durability, and waterproof properties. It is composed of several thin layers of birch veneer core glued together.
A PSL block. Parallel-strand lumber (PSL) is a form of engineered wood made from parallel wood strands bonded together with adhesive.It is used for beams, headers, columns, and posts, among other uses.