Roof Sheathing Thickness 24 Oc For Snow Loads

Never attach roof sheathing with staples.

Roof sheathing thickness 24 oc for snow loads.

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. It will support roof. 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. The typical thickness range for sheathing is 3 8 to 3 4 inch.

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. 24 16 teco sheathing span. The first number is the maximum on center o c support spacing in inches for roof sheathing.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Two numbers separated by a slash e g 32 16 or 48 24. Support spacing when the panel is used for subflooring. 8d ring shank nails should be used instead.

Floor and roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. For rafters or 16 in. 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. Sheathing should be a minimum of 19 32 inch thick.

Uniform loads psf on apa rated plywood sheathing. For subfloors zip s 1 2 in. Uniform load deflection limitations 1 180 of span under live load plus dead load 1 240 under live load only. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

Nominal panel thickness table b assists in calculation of geometric cross sectional properties. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. That means it can be used at 24 in. Panels are rated 32 16.

The applicable section properties table c can be divided into load capacity to. What about the roof sheathing at 24 in.