Check the nailing surface is level step 2.
Plywood roof installation.
We go in depth on how to install roof sheathing.
The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane.
Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.
Installing the plywood sheets.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
The thickness of ply you install can vary depending on your builder and how your roof trusses are spaced.
Install the roofing screws vertically along each rib in the panel.
Most roofs will be sheathed in plywood at least 3 8 inch thick.
The nailing pattern that is used is also very critical.
During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm.
Place the first screw.
Ventilate the roof according to current building codes step 3.
The plywood is nailed at roughly 150 mm spacings ensuring the ends finish on the centre line of a truss.
Loads will vary with the.
This video shows how some roofs fail under heavy winds in uplift situations.
Cover sheathing with.
How to correctly install plywood or osb roof sheathing.
Keep these tips in mind when roofing in hurricane areas.
Not all plywood applications require the same size nail or spacing between nails.
In order to achieve the best results when installing plywood products it is very important to use the proper size nail.
Properly fasten panels including fastening and spacing hints step 4.
And scroll down to see more details on each with installation hints and tips below.
That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.