Or just have a look at the table below.
Osb roof sheathing span tables.
Table 2304 7 1 allowable spans for lumber floor and roof sheathing a b for si.
In some cases load capacities of rated sheathing and rated sturd i floor.
Typically 3 4 18mm for floors and 3 8 9mm for walls and 1 2 11mm roof.
The span rating on apa rated sheathing panels appears as two numbers separated by a slash such as 32 16 48 24 etc.
A the left hand number denotes the maximum recommended spacing of supports when the panel is used for roof sheathing.
Page 6 of 7 v1 0 01 2008 osb roof design example calculations using asd 4x8 foot 24 16 teco sheathing span.
Tables 2a through 2c apply to apa rated osb sheathing apa rated osb structural i sheathing and apa rated osb sturd i floor respectively.
For pricing and availability.
For sanded plywood panels see table 3.
Structural floor sheathing and structural roof sheathing shall comply with sections 2304 7 1 and 2304 7 2 respectively.
For pricing and availability.
Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8.
Also make sure that you get your supporting timbers at the correct spacing.
Most osb suppliers have a load span table giving a guide to the spacing of timbers for different thicknesses.
The first number is the maximum on center o c support.
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.
1 inch 25 4 mm.
The values given in tables 1 and 2 represent the maximum allowable loads for plywood or osb.