Install baffles providing a minimum of 1 inch of clear space between framing and or under roof decking at eaves to ensure that ceiling or roof insulation does not block ventilation paths.
How to lay plywood on a roof.
Using these steps you will be able to save big on sheathing your roof.
For vaulted or cathedral roof construction provide a free ventilation path from eaves to ridge between all rafters.
Preparing your plywood sheets using a string line mark a line to guide the first row at the eaves.
Like most other things there is no one right answer for the plywood thickness of your roof.
To secure it measure it roll it out over the plywood cut it to the dimensions of the roof with a roofing or utility knife and finally hammer it securely to the plywood with 1 2 inch roofing nails.
During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm.
The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane.
Keep these tips in mind when roofing in hurricane areas.
This video shows how some roofs fail under heavy winds in uplift situations.
Once the roof rafters are perfectly aligned it is now time to prepare for the plywood sheeting.
It is assumed here that you will be applying plywood particle board or wafer board sheathing.
Align the long edge of the sheathing with the ends of the.
If you have chosen to use a rigid roofing metal wood shakes or shingles tile etc you can use 1 x 4 slats instead.
Run a string line over the roof trusses and then either plane the high parts or add packing to create that perfectly straight line.
The most common scenario is a home that has rafters set approximately 16 inches apart.