Roof Sheathing Thickness 24 Oc For Snow Loads

Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in.

Roof sheathing thickness 24 oc for snow loads.

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. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Never attach roof sheathing with staples. 8d ring shank nails should be used instead.

It will support roof. Sheathing should be a minimum of 19 32 inch thick. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. Applies to panels 24 inches or wider.

For subfloors zip s 1 2 in. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. The second number is the maximum o c.

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. Uniform loads psf on apa rated plywood sheathing. Uniform load deflection limitations 1 180 of span under live load plus dead load 1 240 under live load only. 24 16 teco sheathing span.

The applicable section properties table c can be divided into load capacity to. The first number is the maximum on center o c support spacing in inches for roof sheathing. A panel marked 32 16 may be used for roof sheathing over supports spaced up to 32 inches o c. Support spacing when the panel is used for subflooring.

Panels are rated 32 16. The typical thickness range for sheathing is 3 8 to 3 4 inch. Multi span normal duration of load dry conditions panels 24 inches or wider span rating b load governed by c strength axis a perpendicular to supports span center to center of supports inches parallel to supports span center to center of supports inches 12 16 19 2 24 30 32 36 40 48. Nominal panel thickness table b assists in calculation of geometric cross sectional properties.

That means it can be used at 24 in. For rafters or 16 in.