Placement Of Sheathing Clips For Roofing

Not always required but a good idea.

Placement of sheathing clips for roofing.

Some older h clips do not provide a built in gap. Sheathing should be a minimum of 19 32 inch thick. Panel sheathing clips are used to brace unsupported panel edges when sheathing meets edge to edge without a rafter for support. Keeps panels even for a level structural plane.

This is to allow for adequate roof cavity ventilation. For improved performance consider thicker roof sheathing panels panel edge clips or panels with tongue and groove edges. 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. 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.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. 8d ring shank nails should be used instead. You ll need to ensure the line is square and the sheet finishes 10 30mm from the fascia. Spacer type panel edge clips are available from some manufacturers.

Quick installation no nails required. The typical thickness range for sheathing is 3 8 to 3 4 inch. 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. Roof sheathing panel spacing hints.

Generally 12 15mm ply is the most commonly used thickness. 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. H clips provide additional stiffness between bearing points for the unsupported edges of wood panel plywood or osb roof sheathing along with the necessary 1 8 gap for expansion as shown below illustrated on a bag of simpson h clips. You need to get into the attic of your roof using a ladder and inspect the connections between the diagonal beams and horizontal beams.

Space between plywood panels as recommended by the american plywood association. A 1 8 inch space between adjacent panel end and edge joints is recommended unless panel manufacturer indicates otherwise. Never attach roof sheathing with staples. Examine your roof for diagonal beams.

Edge clip requirements depend on the relationship of the panel span rating to the actual distance between roof framing.