Redoing Roof Pitch

The national average cost to replace a roof is 7 211 with most homeowners spending between 4 707 and 10 460 roof installation cost ranges from 400 to 550 per square depending on the roof size and materials used in reroofing.

Redoing roof pitch.

Alter the pitch on a flat or low slope roof with some type of rigid foam insulation. At least two different types are made in sloped panels. Remove the existing roof covering down to the underlying. New roof sheeting should be 1 2 inch plywood or 7 16 inch osb.

A steep roof pitch can add to the cost of installation as it will be more time consuming to work on a steeper pitch. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. If i m using asphalt shingles i always protect the sheathing with ice and water shield first pulling it onto the fascia and rake boards and cover it with trim. Osb is alphabet soup for oriented strand board an engineered lumber product that is widely available at home centers or lumber yards.

Most manufacturers specify at least a 4 12 roof pitch for installing them meaning for every foot the rafters extend out from the ridge beam they drop down 4 inches. Expect to spend 1 500 to 3 000 to remove your current roof before installing a replacement.