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In 2005, Canadian production was 10,500,000 m 2 (113,000,000 sq ft) (3 ⁄ 8 in or 9.53 mm basis) of which 8,780,000 m 2 (94,500,000 sq ft) (3 ⁄ 8 inch) were exported, almost entirely to the United States. [8] In 2014, Romania became the largest OSB exporting country in Europe, with 28% of the exports going to Russia and 16% to Ukraine. [9]
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.
EPS is the most common of the foams used and has an R-value (thermal resistance) of about 4 °F·ft 2 ·h/Btu (equivalent to about 0.7 K·m 2 /W) per 25 mm thickness, which would give the 3.5 inches (89 mm) of foam in a 4.5-inch-thick (110 mm) panel an R value of 13.8 (caution: extrapolating R-values over thickness may be imprecise due to non ...
The most common dimension is 1.2 by 2.4 metres (3 ft 11 in × 7 ft 10 in) or the slightly larger imperial dimension of 4 feet × 8 feet. Plies vary in thickness from 1.4 mm to 4.3 mm. The number of plies—which is always odd—depends on the thickness and grade of the sheet. Roofing can use the thinner 16-millimetre (5 ⁄ 8 in
But the company has said it still intends to reopen the 130-worker Clarke County mill, which can make more than 700 million square feet a year of OSB at full capacity. [21] In 2004, the company began producing LP FlameBlock Fire-Rated OSB Sheathing, an ICC certified (ESR-1365), PS2-rated structural sheathing with a Class A Flame Spread Rating.
In the United States, the International Building Code and ASTM International define Exterior Insulation and Finish System (EIFS) as a non-load-bearing exterior wall cladding system that consists of an insulation board attached either adhesively, mechanically, or both, to the substrate; an integrally reinforced base coat; and a textured protective finish coat.
The insurer said it has lost $2.8 billion over the last nine years, including gains from investment income. It also noted State Farm General’s financial rating was downgraded last year by AM Best.
Norbord operates 13 OSB mills, 1 MDF (medium density fibreboard) plant, 2 particleboard (chipboard) plants and 1 furniture plant. Its OSB mills in the US are located in Minnesota, Georgia (2 lines), Mississippi, Alabama, South Carolina and 2 in Texas. In Canada there are 2 mills in Alberta, 1 in British Columbia, 1 in Ontario and 2 in Québec.