Apa Rated Siding

Apa rated sheathing panels are produced as plywood or oriented strand board osb.

Apa rated siding. Most osb sidings are manufac tured from oriented wood strands and overlaid with a resin treated paper. Describes performance standards for structural wood panels and the compositions of different types of apa panels with the performance rated designations of apa rated sheathing apa rated sturd i floor and apa rated siding. Panels and lap siding may be used direct to studs or over nonstructural wall sheath ing sturd i wall construction or over nailable panel or lumber sheathing double wall construction. Finishing apa rated siding in addition to structural stability and durability apa rated siding offers the aesthetic appeal of wood.

To keep siding looking good and performing well follow the finishing tips below. Commonly square edge but may be produced with tongue and groove edges. Apa rated siding panels and lap siding are structural products produced with known and reliable strength and stiffness properties. Alternatively panels may qualify for span ratings by performance testing in accordance with the requirements of manufacturing and performance standard for apa rated siding panels.

The leading resource for information abut engineered wood products and their applications. Siding panels shall qualify for span ratings by meeting the requirements of section 7 1 or 7 2. Apa rated sidings include plywood 303 siding and overlaid oriented strand board osb products. Apa rated siding is produced with span ratings of 16 and 24 inches.

2 4 common performance categories and corresponding span ratings performance category span rating 3 8 24 0 7 16 24 16. All of these prod ucts are available as either lap or panel siding. For decades apa rated siding products have been lending strength and beauty to contemporary residential and light commercial buildings. Proper finishing protects siding from the weather reduces maintenance and promotes long lasting performance.

Typical size is 4 ft x 8 ft but other sizes may also be produced. Panel siding may be applied over sheathing or directly over studs in sturd i wall single wall application. Apa rated siding is available as both panel and lap siding.