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. ... insulation and ventilation. 4. Place the Moisture Barrier.

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.

COMPLETE VENT SOLUTION: Homewerks roof vent kit includes a 4 in. x 8 ft. UL 181 Class 1 air connector, two 4-inch metal spring clamps, a 4-in. aluminum vent, and a 3x4 in. plastic increaser.

Cost: Plain and simple, when you look at the cost of a metal roof vs. shingles, metal roofs are a significantly larger investment. Weight: Metal roofs are heavy.