Roof Sheathing 32 16 Thickness

T g edges 5 1 sample specification apa rated sheathing 15 32 performance category 32 16 exposure 1.

Roof sheathing 32 16 thickness.

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. 8d ring shank nails should be used instead. The typical thickness range for sheathing is 3 8 to 3 4 inch. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

Apa rated sheathing 2. Sheathing should be a minimum of 19 32 inch thick. Minimum roof sheathing thickness excerpt roof sheathing thickness rafter truss spacing 24 in. Adhesive bond classification 5.

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. Brows our selection of plywood and lumber at the plywood c. Apa rated sheathing 32 16 span rating 15 32 inch 4x8. 10 psf dead load assumed.

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. Mill thickness declaration reference standards performance category mill number 5 0 specification 1.