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Birch plywood is used as a structural material in special applications e.g.: Wind turbine blades; Insulation boxes for liquefied natural gas (LNG) carriers; Smooth surface and accurate thickness combined with the durability of the material makes birch plywood a favorable material for many special end uses e.g.: High-end loud speakers; Die ...
With the success of the stress-skinned panels, it was suggested stronger skins could take all the structural load and eliminate the frame altogether. Thus in 1947, structural insulated panel development began when corrugated paperboard cores were tested with various skin materials of plywood, tempered hardboard and treated paperboard.
Thermal insulation – CLT panels provide air tightness and great thermal insulation to buildings as the thermal conductivity (U) of a panel is approximately 0.3458 W/m 2 K. [18] Other common building materials can have U values ranging from 0.4 to 2.5 W/m 2 K. [19] The various layers of wood also serve as a thermal mass, which can help reduce ...
Plywood and OSB typically have a density of 560–640 kg/m 3 (35–40 lb/cu ft). For example, 9.5 mm (3 ⁄ 8 in) plywood sheathing or OSB sheathing typically has a surface density of 4.9–5.9 kg/m 2 (1–1.2 lb/sq ft). [51] Many other engineered woods have densities much higher than OSB.
This is a list of insulation materials used around the world. Typical R-values are given for various materials and structures as approximations based on the average of available figures and are sorted by lowest value. R-value at 1 m gives R-values normalised to a 1 metre (3 ft 3 in) thickness and sorts by median value of the range.
Materials other than wood have been used to produce products similar to OSB. Oriented structural straw board is an engineered board made by splitting straw and formed by adding P-MDI adhesives and then hot compressing layers of straw in specific orientations. [7] Strand board can also be made from bagasse.