Roof Sheathing Thickness 24 Oc For Snow Loads

24 oc 0 719 0 750 32 oc 0 875 1 000 48 oc 1 125 a the values in this table correspond with those.

Roof sheathing thickness 24 oc for snow loads.

The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. The typical thickness range for sheathing is 3 8 to 3 4 inch. Two numbers separated by a slash e g 32 16 or 48 24.

For the curious 7 16 osb has a span rating of 24 16 and with supports every 24 inches is good for a roof live load of 40 psf pounds per square foot with a 10 psf dead load. Nominal panel thickness table b assists in calculation of geometric cross sectional properties. For rafters or 16 in. The second number is the maximum o c.

The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Panels are rated 32 16. Floor and roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in.

8d ring shank nails should be used instead. Applies to panels 24 inches or wider. 24 16 teco sheathing span. That means it can be used at 24 in.

Uniform loads psf on apa rated plywood sheathing. What about the roof sheathing at 24 in. Uniform load deflection limitations 1 180 of span under live load plus dead load 1 240 under live load only. Support spacing when the panel is used for subflooring.

A panel marked 32 16 may be used for roof sheathing over supports spaced up to 32 inches o c. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Sheathing should be a minimum of 19 32 inch thick. Never attach roof sheathing with staples.

It will support roof. The applicable section properties table c can be divided into load capacity to.