Typically 1 4 or 1 6 boards of wood are installed with a 3 5 maximum space between each board directly over the roof rafters or in a cold roof system over the plywood deck.
Roof sheathing spacing.
Cover sheathing with.
Spaced sheathing also called skipped decking refers to the construction details of the substrate which the cedar gets nailed to and thus secured to your home.
For improved performance consider thicker roof sheathing panels panel edge clips or panels with tongue and groove edges.
Spacer type panel edge clips may also be used for roof sheathing applications.
Roof sheathing basics the skeleton of a roof is formed with rafters or trusses generally spaced 16 inches or 24 inches apart from the center of one rafter to the center of the next.
Ventilate the roof according to current building codes step 3.
Structural sheathing is typically cut slightly short of 48 inches by 96 inches to allow for this expansion gap look for a label that says sized for spacing this gap prevents buckling of panels due to moisture and thermal effects a common problem.
Use a 10d box nail to gauge 1 8 inch spacing between panels.
For clarity sheathing nails are not shown.
A 1 8 inch space between adjacent panel end and edge joints is recommended unless panel manufacturer indicates otherwise.
To stabilize the rafters support the roofing material and hold the entire roof together roof sheathing is installed.
To assure best performance follow these panel spacing and nailing recommendations for apa rated sheathing apa rated sturd i floor and apa rated siding.
Many factors affect thickness.
Tighter nail spacing is recommended 4 inches on center maximum.
Before hurricane andrew devastated south florida in 1992 roof sheathing was generally attached using 6d nails spaced at 6 inches along the edges of the sheathing and at 12 inches along interior.
Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing.
And scroll down to see more details on each with installation hints and tips below.
The minimum plywood for roofing plywood is layers of wood.
Plywood is made with three or more layers of thin wood glued together with the grain.
Properly fasten panels including fastening and spacing hints step 4.
Avoid standing between framing which can induce panel deflection.
Check the nailing surface is level step 2.
The thickness of plywood used for roof decking depends on the roof slope the spacing of.
