Roof Sheathing 32 16 Thickness

Apa rated sheathing 32 16 span rating 15 32 inch 4x8.

Roof sheathing 32 16 thickness.

With this thickness any deflection under dead loads only the weight of materials only should prove to be imperceptible. Brows our selection of plywood and lumber at the plywood c. T g edges 5 1 sample specification apa rated sheathing 15 32 performance category 32 16 exposure 1. 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. 10 psf dead load assumed. The typical thickness range for sheathing is 3 8 to 3 4 inch. Apa rated sheathing 2.

Mill thickness declaration reference standards performance category mill number 5 0 specification 1. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Never attach roof sheathing with staples. 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.

Minimum roof sheathing thickness excerpt roof sheathing thickness rafter truss spacing 24 in. Sheathing should be a minimum of 19 32 inch thick.