With this thickness any deflection under dead loads only the weight of materials only should prove to be imperceptible.
Roof sheathing 32 16 exposure thickness.
The zip system product line is backed by a 30 year limited warranty and 180 day exposure guarantee.
Only 23 32 thickness advantech subflooring and 1 2 and 5 8 thicknesses of advantech roof and wall sheathing are included in icc es report esr 1785.
Apa rated sheathing 2.
Never attach roof sheathing with staples.
The typical thickness range for sheathing is 3 8 to 3 4 inch.
Limitations and restrictions apply.
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.
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.
Actual weight may vary by mill.
Regional availability also comes into play.
Mill thickness declaration reference standards performance category mill number 5 0 specification 1.
Installation manual zip system sheathing wall and roof zip system sheathing and tape fact sheet.
Where to buy.
Sheathing should be a minimum of 19 32 inch thick.
Minimum roof sheathing thickness excerpt roof sheathing thickness rafter truss spacing 24 in.
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.
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.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
Adhesive bond classification 5.
10 psf dead load assumed.
Visit the advantech residential builder warranty and or commercial property owner warranty for.
Apa rated sheathing 32 16 span rating 15 32 inch 4x8.
A structural wood panel composed of a d grade or better face back and inner plies cross banded for strength.
