Osb Roof Sheathing Span Tables

The first number is the maximum on center o c support.

Osb roof sheathing span tables.

Osb design and application guide 5 span ratings span rating numbers for sheathing span and floor span indicate the maximum spacing of supports over which the panels should be placed. Apa rated sheathing span rating bond classification mill number apa panel grade product standard and panel grade hud recognition performance category 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. 1 inch 25 4 mm. Typically 3 4 18mm for floors and 3 8 9mm for walls and 1 2 11mm roof.

The span rating on sheathing span panels appears as two numbers separated by a slash e g 32 16 or 48 24. Table 2304 7 1 allowable spans for lumber floor and roof sheathing a b for si. Tables 2a through 2c apply to apa rated osb sheathing apa rated osb structural i sheathing and apa rated osb sturd i floor respectively. Most osb suppliers have a load span table giving a guide to the spacing of timbers for different thicknesses.

For sanded plywood panels see table 3. A the left hand number denotes the maximum recommended spacing of supports when the panel is used for roof sheathing. In some cases load capacities of rated sheathing and rated sturd i floor. Structural floor sheathing and structural roof sheathing shall comply with sections 2304 7 1 and 2304 7 2 respectively.

Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. Or just have a look at the table below. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. For pricing and availability.

Also make sure that you get your supporting timbers at the correct spacing. Page 6 of 7 v1 0 01 2008 osb roof design example calculations using asd 4x8 foot 24 16 teco sheathing span.