Without getting up on the roof itself you can get the measurements simply by measuring the length and width of the roof and then multiply these.
How to install a garage roof.
B 2 pieces of 2 4 lumber 36 1 4 1 piece of 2 6 lumber 260 top ridge.
C 30 pieces of 2 4 lumber 97 1 4 14 pieces 6 1 2 rafters d 14 pieces of 3 4 tongue and groove plywood sheets 4 8 decking.
This helps prevent garage floor condensation and water logging on the sheathing and wood trusses.
Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.
Roof sheathing is a lot more than just flat panels onto which shingles are attached.
The roof s sheathing helps to keep the roof trusses or rafters properly spaced.
By following the 10 simple instructions below you will be able to install a corrugated metal roof on your garage or shed.
A 13 pieces of 2 4 lumber 144 long bottom rafters.
Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.
Continue around the roof one row at a time from bottom to top.
At the peak of the roof change the direction of shingles.
Step 5 finishing the job.
If needed add roofing cement to seal the edges of the flashing.
Install the second course just like the first using the guidelines on the underlayment to get the correct overlap.
When an ice dam forms on a roof usually caused by poor attic insulation ventilation ice and water can work their way up under the shingles and leak back into the house.
Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof.
How to install roof sheathing.
Don t forget to add a vapor retarder to your garage roof insulation installation.
Make sure that the materials you buy for your insulation are in compliance with the local construction rules and regulations and follow the fire codes.
Use metal flashing around vents or chimneys that might protrude through the garage roof.
To install corrugated roofing start by cutting your panels to length with an angle grinder.
Corrugated metal roof installation instructions.