Many factors affect thickness.
Plywood roof sheathing spacing.
Ventilate the roof according to current building codes step 3.
Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets.
Panel selection handling and storage table 2.
Check the nailing surface is level step 2.
Spacing in inches for roof sheathing.
And scroll down to see more details on each with installation hints and tips below.
If the wood structural panels are tightly butted there is no room for expansion and buckling can occur.
Plywood is made with three or more layers of thin wood glued together with the grain.
If your roof carries a heavier load like if there s less pitch and or it snows in your area a roofer may recommend the use of the inch variety.
This is a popular option because it presents homeowners with functional but affordable roof sheathing.
Virtually every one recommends that you your carpenter or builder create a 1 8 inch gap around all edges when installing plywood.
Or for floor sheathing over supports spaced up to 16 inches o c.
A half inch cdx plywood is often used with rafter with 24 inch spacing.
Support spacing when the panel is used for subflooring.
The solution 1 8 spacing plywood manufacturers are aware of these problems.
Properly fasten panels including fastening and spacing hints step 4.
A panel marked 32 16 may be used for roof sheathing over supports spaced up to 32 inches o c.
The minimum plywood for roofing plywood is layers of wood.
Plywood and oriented strand board osb like all wood products will expand or shrink slightly with changes in moisture content.
That can mean costly time consuming callbacks.
The thickness of plywood used for roof decking depends on the roof slope the spacing of.
A structure s roof truss spacing can vary from every 12 to 24 inches.
Plywood clips also referred to as h clips or panel edge clips are small metal brackets placed between the unsupported edges of plywood sheathing to effectively reduce the support spacing and stiffen the plywood.
Cover sheathing with.
A 1 8 inch space between adjacent panel end and edge joints is recommended unless panel manufacturer indicates otherwise.
The second number is the maximum o c.
For improved performance consider thicker roof sheathing panels panel edge clips or panels with tongue and groove edges.
The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing.
