Placement Of Sheathing Clips For Roofing

Keeps panels even for a level structural plane.

Placement of sheathing clips for roofing.

Spacer type panel edge clips are available from some manufacturers. You ll need to ensure the line is square and the sheet finishes 10 30mm from the fascia. A 1 8 inch space between adjacent panel end and edge joints is recommended unless panel manufacturer indicates otherwise. 8d ring shank nails should be used instead.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. The typical thickness range for sheathing is 3 8 to 3 4 inch. Space between plywood panels as recommended by the american plywood association. The thickness of ply you install can vary depending on your builder and how your roof trusses are spaced.

Not always required but a good idea. Roof sheathing panel spacing hints. Examine your roof for diagonal beams. This is to allow for adequate roof cavity ventilation.

Never attach roof sheathing with staples. Panel sheathing clips are used to brace unsupported panel edges when sheathing meets edge to edge without a rafter for support. Use a 10d box 0 128 inch by 3 inch nail as a spacer to gauge 1 8 inch edge and end spacing between panels. Some older h clips do not provide a built in gap.

Edge clip requirements depend on the relationship of the panel span rating to the actual distance between roof framing. For improved performance consider thicker roof sheathing panels panel edge clips or panels with tongue and groove edges. Doing this means you can go to the hardware store and be sure that you are buying the right amount of clips. Generally 12 15mm ply is the most commonly used thickness.

Sheathing should be a minimum of 19 32 inch thick. You need to get into the attic of your roof using a ladder and inspect the connections between the diagonal beams and horizontal beams. Check building code requirements for installation of panel edge clips. Simpson strong tie panel sheathing clips are used to brace unsupported sheathing edges and provide a 1 8 gap to address shrinkage and expansion of roof sheathing.

The clips are inserted over the edges of the adjacent plywood panels to reduce deflection of the panel edges between the framing members and are most commonly used for roof sheathing.