Limitations and restrictions apply.
Roof sheathing 32 16 exposure thickness.
Adhesive bond classification 5.
10 psf dead load assumed.
The zip system product line is backed by a 30 year limited warranty and 180 day exposure guarantee.
Minimum roof sheathing thickness excerpt roof sheathing thickness rafter truss spacing 24 in.
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.
Never attach roof sheathing with staples.
Actual weight may vary by mill.
Mill thickness declaration reference standards performance category mill number 5 0 specification 1.
Sheathing should be a minimum of 19 32 inch thick.
8d ring shank nails should be used instead.
With this thickness any deflection under dead loads only the weight of materials only should prove to be imperceptible.
Regional availability also comes into play.
Where to buy.
Apa rated sheathing 2.
A structural wood panel composed of a d grade or better face back and inner plies cross banded for strength.
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.
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.
Structural i rated sheathing panels carry the same span ratings as rated sheathing panels of the same thickness e g 15 32 performance category perf cat structural i and 15 32 perf cat rated sheathing are both span rated at 32 16 and deliver the same capacity for most applications.
Visit the advantech residential builder warranty and or commercial property owner warranty for.
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.
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.
