Roof Sheathing 32 16 Thickness

Apa rated sheathing 2.

Roof sheathing 32 16 thickness.

You need to find a sheathing with a span rating of at least 32 16 which means either 15 32 or 1 2 thick osb. Apa rated sheathing 32 16 span rating 15 32 inch 4x8. T g edges 5 1 sample specification apa rated sheathing 15 32 performance category 32 16 exposure 1. Sheathing should be a minimum of 19 32 inch thick.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. The typical thickness range for sheathing is 3 8 to 3 4 inch. Never attach roof sheathing with staples. With this thickness any deflection under dead loads only the weight of materials only should prove to be imperceptible.

Adhesive bond classification 5. 8d ring shank nails should be used instead. 140 wind speed mph 150 mph 160 mph minimum sheathing thickness inches exposure b 7 16 24 16 15 32 32 16 19 32 40 20 minimum sheathing thickness inches panel span rating exposure c 19 32from asce 7 40 20 19 32 40 20 19 32 40 20. Apa rated osb sheathing roof panels performance category apa span rating allowable live load for roofs psf 3 8 24 0 30 7 16 24 16 40 15 32 32 16 70 1 2 32 16 70 19 32 40 20 130 23 32 48 24 175 1 1 8 48 oc 290 performance category replaces the nominal panel thickness live load for 24 oc span conditions.

Brows our selection of plywood and lumber at the plywood c. 10 psf dead load assumed.