For this, we chose a self-healing ice-and-water membrane ... The post A Full Guide to Metal Roof Installation appeared first on Family Handyman.

Evaluate the roof’s slope and dimensions to determine the most efficient installation method. For residential installations, a solid substrate is essential beneath the metal roofing panels.

Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it? Maybe. Most codes now allow no more than two layers of roofing before requiring a complete tear-off.