Ventilate the roof according to current building codes step 3.
Flat roof sheathing installation.
Zip system sheathing and tape provides a water resistant durable underlayment for many finished roof coverings including metal tile and asphalt shingles fiberglass shingles and cedar shingles.
Also use more nails and place them closer together to build a stronger roof.
Cover sheathing with.
Check the nailing surface is level step 2.
Properly fasten panels including fastening and spacing hints step 4.
How to sheath a flat roof 1.
How to install roof sheathing 1.
Position the first piece of plywood.
Calculate the amount of sheathing you need.
Lay a long piece of lumber across your roof to make sure the rafters are level.
How to correctly install plywood or osb roof sheathing.
Place the first piece of.
Cut each rafter tail on the chalk line with a circular saw to ensure that every rafter is the same length.
Zip system panels install fast and stay flat for a roof that looks as good as it performs.
Measure from the peak of the roof along each rafter on one side of the roof to determine the exact length of each.
And scroll down to see more details on each with installation hints and tips below.