The span ratings for apa rated sturd i floor and underlayment panels like those for apa rated sheathing are based on application of the panel with the long dimension or strength axis across three or more supports.
Apa rated siding.
Apa rated sheathing panels are produced as plywood or oriented strand board osb.
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.
Make sure to check the apa s technical note on finishing apa rated siding for protection and appearance to check finish compatibility.
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.
Typical size is 4 ft x 8 ft but other sizes may also be produced.
The span rating on apa rated sturd i floor underlayment and apa rated siding panels appears as a single number.
Commonly square edge but may be produced with tongue and groove edges.
Siding panels can be applied direct to studs or over sheathing.
Apa rated siding is available as both panel and lap siding.
2 4 common performance categories and corresponding span ratings performance category span rating 3 8 24 0 7 16 24 16.
Siding panels shall qualify for span ratings by meeting the requirements of section 7 1 or 7 2.
Other texture and finish options not listed are available by request.
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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.
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.
Panels and lap siding with a span rating of 16 inches apa.
Apa rated siding is produced with span ratings of 16 and 24 inches.