Apa Rated Siding

Panel siding may be applied over sheathing or directly over studs in sturd i wall single wall application.

Apa rated siding.

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. Apa rated siding is produced with span ratings of 16 and 24 inches. Siding panels can be applied direct to studs or over sheathing. Apa panel siding is available in a variety of surface textures and pat terns including texture 1 11 rough sawn reverse board and batten channel groove and brushed.

Apa rated sheathing panels are produced as plywood or oriented strand board osb. Proper finishing protects siding from the weather reduces maintenance and promotes long lasting performance. Most osb sidings are manufac tured from oriented wood strands and overlaid with a resin treated paper. Apa rated sidings include plywood 303 siding and overlaid oriented strand board osb products.

Typical size is 4 ft x 8 ft but other sizes may also be produced. Commonly square edge but may be produced with tongue and groove edges. To keep siding looking good and performing well follow the finishing tips below. However some plywood panels are available with a hardboard face.

The leading resource for information abut engineered wood products and their applications. 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. Apa rated siding panels and lap siding are structural products produced with known and reliable strength and stiffness properties. For decades apa rated siding products have been lending strength and beauty to contemporary residential and light commercial buildings.

2 4 common performance categories and corresponding span ratings performance category span rating 3 8 24 0 7 16 24 16. 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.