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Composite deck boards are sold in either grooved or solid sided versions. The grooved composite board is fastened with hidden deck fasteners or clips, while the solid board is typically face-screwed. Most composite deck board manufacturers produce lengths of 12, 16, or 20 feet (3.7, 4.9, or 6.1 m), 5 + 1 ⁄ 2 by 3 ⁄ 4 inch (140 mm × 19 mm).
Plywood production requires a good log, called a peeler, which is generally straighter and larger in diameter than one required for processing into dimensioned lumber by a sawmill. The log is laid horizontally and rotated about its long axis while a long blade is pressed into it, causing a thin layer of wood to peel off (much as a continuous ...
The formwork is built on site out of timber and plywood or moisture-resistant particleboard. It is easy to produce but time-consuming for larger structures, and the plywood facing has a relatively short lifespan. It is still used extensively where the labour costs are lower than the costs for procuring reusable formwork.
Hardboard pin – a small nail for fixing hardboard or thin plywood, often with a square shank; Horseshoe nail – nails used to hold horseshoes on hoofs; Joist hanger nail – special nails rated for use with joist hangers and similar brackets. Sometimes called "Teco nails" (1 + 1 ⁄ 2 × .148 shank nails used in metal connectors such as ...
† The hull is planked with A-A exterior Douglas fir plywood or Harborite marine plywood. Harborite, a plastic-surfaced fir plywood, developed as an improvement on plain plywood. [7] [8] ‡ The additional inch is a result of the flange where the deck and hull bottom are bonded together as one.
While plywood became widespread by the early 20th century, the invention of LVL was not until the 1980s after the invention of oriented strand board. [3] The American Wood Council's National Design Specification for Wood Construction is generally updated on a 3- to 5-year cycle. The 1991 release is the first release which mentions LVL.
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[1] [2] It is similar to plywood but with distinctively thicker laminations (or lamellae). The grain of each layer of boards is usually rotated 90 degrees from that of adjacent layers and glued on the wide faces of each board, usually in a symmetric way so that the outer layers have the same orientation .