Step 2 position plywood clips onto the top or upper horizontal edge of the installed plywood panels between each rafter or support block.
How to install roof sheathing clips.
Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg.
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.
Install a full horizontal row of plywood sheathing following standard practices.
Doing this means you can go to the hardware store and be sure that you are buying the right amount of clips.
Keep nails 3 8 inches.
The h shaped fins slide over the plywood until the middle connecting section is against the plywood s edge.
The washer under the screw head should seal to the surface of the panel without bulging or shifting.
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.
Secure the screws but do not overtighten.
Install the roofing screws vertically along each rib in the panel.
You need to get into the attic of your roof using a ladder and inspect the connections between the diagonal beams and horizontal beams.
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.
A 1 8 inch space between adjacent panel end and edge joints is recommended unless the panel manufacturer indicates otherwise.
Keep these tips in mind when roofing in hurricane areas.
This video shows how some roofs fail under heavy winds in uplift situations.
Provide a 1 8 inch gap between the panels in each row.
We go in depth on how to install roof sheathing.
You need a clip for every diagonal beam that attaches to a horizontal beam.
The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane.
How to correctly install plywood or osb roof sheathing.