Two metal roofs that we encountered had four layers of roofing material under the metal roof. The 2 x 4-inch stringers are being installed with 6-inch screws into “framing members.” ...

Knowing how to install metal roofing is helpful for when you hire your contractor to help with the project. ... If the roof is supposed to vent at the ridge, you’ll need a vented closure strip, ...

To vent the roof, holes are cut in the old roof above the soffit, ... Pros and Cons for Metal Roofing Installation. Steel roofs can be noisy and unattractive in residential settings.