Plywood Roof Sheathing Spacing

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.

Plywood roof sheathing spacing.

Check the nailing surface is level step 2. A panel marked 32 16 may be used for roof sheathing over supports spaced up to 32 inches o c. And scroll down to see more details on each with installation hints and tips below. 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.

Properly fasten panels including fastening and spacing hints step 4. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing. Plywood and oriented strand board osb like all wood products will expand or shrink slightly with changes in moisture content.

Apa recommends a 1 8 inch space between panel edge and end joints. A structure s roof truss spacing can vary from every 12 to 24 inches. This is a popular option because it presents homeowners with functional but affordable roof sheathing. Panel selection handling and storage table 2.

That can mean costly time consuming callbacks. A 1 8 inch space between adjacent panel end and edge joints is recommended unless panel manufacturer indicates otherwise. The solution 1 8 spacing plywood manufacturers are aware of these problems. If the wood structural panels are tightly butted there is no room for expansion and buckling can occur.

Ventilate the roof according to current building codes step 3. A half inch cdx plywood is often used with rafter with 24 inch spacing. The thickness of plywood used for roof decking depends on the roof slope the spacing of. Support spacing when the panel is used for subflooring.

The minimum plywood for roofing plywood is layers of wood. Spacing in inches for roof sheathing. Plywood is made with three or more layers of thin wood glued together with the grain. Many factors affect thickness.

The second number is the maximum o c. Check building code requirements for installation of panel edge clips. In severe cases the sheets of plywood can actually create humps and dips between the roof framing members. Or for floor sheathing over supports spaced up to 16 inches o c.