
Metal Roof Over Shingles: When It Works, When It Doesn’t, and What You’ll Save
Can you put a metal roof over shingles? Yes, but only over a single layer of shingles on a solid, dry deck that lies reasonably flat. Doing it saves roughly $0.70 per square foot compared to a full tear-off. On a home with 2,000 to 3,000 square feet of roof, that’s about $1,400 to $2,100 in savings. If there are two or more layers, soft wood, or active leaks, the old roof should come off. Can You Put a Metal Roof Over Existing Shingles? Under the right conditions, metal overtop of shingles is a great option. We install metal over existing shingles in one situation: one layer of asphalt shingles, a deck that passes inspection, and a standing seam metal








