How To Install Roof Sheathing Clips

How to correctly install plywood or osb roof sheathing.

How to install roof sheathing clips.

Zip system roof assembly combines our revolutionary integrated sheathing and flashing tape or liquid flashing to provide a sealed roof for protection against moisture intrusion during construction or if high winds strip the roof covering away. Secure the screws but do not overtighten. Provide a 1 8 inch gap between the panels in each row. Step 2 position plywood clips onto the top or upper horizontal edge of the installed plywood panels between each rafter or support block.

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. For improved performance consider thicker roof sheathing panels panel edge clips or panels with tongue and groove edges. Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run. Keep these tips in mind when roofing in hurricane areas.

Keep nails 3 8 inches. You need a clip for every diagonal beam that attaches to a horizontal beam. The h shaped fins slide over the plywood until the middle connecting section is against the plywood s edge. A 1 8 inch space between adjacent panel end and edge joints is recommended unless the panel manufacturer indicates otherwise.

The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane. During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm. Nail the panels to the rafters with 8d common nails spaced 6 inches apart on the ends and 12 inches apart in the middle. A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather.

We go in depth on how to install roof sheathing. You need to get into the attic of your roof using a ladder and inspect the connections between the diagonal beams and horizontal beams. Install the roofing screws vertically along each rib in the panel. The washer under the screw head should seal to the surface of the panel without bulging or shifting.

Install a full horizontal row of plywood sheathing following standard practices.