Metal costs more to install and lasts considerably longer. That single trade is the whole of the comparison, and where it lands for you depends on how long you plan to own the house and how the two options are actually quoted on your roof rather than in general.
Get Metal Roof Cost Guide connects you with licensed local companies. We are not a roofing contractor and do not perform the work ourselves.
Both are legitimate roofs and both are installed in enormous numbers. The differences that matter are practical rather than promotional.
| Metal | Asphalt shingle | |
|---|---|---|
| Install cost | Higher | Lower |
| Service life | Considerably longer | Shorter |
| Weight | Light, often lighter than shingle | Heavier |
| Installers available | Fewer, more specialized | Widely available |
| Repair | Panel work, more specialized | Straightforward and common |
| Noise in rain | Depends heavily on decking and underlayment | Quieter |
| Shedding snow | Sheds readily, which may need snow guards | Retains more |
The noise question comes up constantly. A metal roof over solid decking with underlayment behaves very differently from bare panels over open purlins on a barn, and most people picture the barn.
Panel systems differ in where the fastener sits, and that one detail drives cost, appearance and how the roof ages. Everything else follows from it.
This is the decision most quotes turn on. It is a genuine trade rather than a good and bad option, and the right answer depends on the building and how long you want to leave it alone.
| Standing seam | Exposed fastener | |
|---|---|---|
| Fasteners | Concealed beneath the seam | Through the face, with washers |
| Maintenance | Little, no washers to perish | Washers and screws need checking |
| Thermal movement | Clips allow panels to move | Panels are pinned at each screw |
| Appearance | Clean vertical lines | Visible fixing pattern |
| Cost | Higher | Lower |
| Typical use | Houses, architectural work | Agricultural, outbuildings, budget |
Thermal movement is the underrated entry. Metal expands and contracts, and a standing seam system is designed to let it, whereas an exposed fastener panel is held at every screw. That is what works the washers over time.
Steel is the residential default and covers most jobs. The others are chosen for specific reasons rather than as upgrades for their own sake.
Ask about gauge as well as metal. Thicker material resists denting and shows oil canning less, and the difference does not appear in a headline price.
Neither is better in the abstract. Metal costs more up front and lasts longer; shingle costs less and is replaced sooner. Which one wins depends on how long you will own the house and what the two quotes actually say.
It is frequently claimed and it depends heavily on your local market and what buyers there expect to see. Treat any confident figure on this with caution, particularly one supplied by a company quoting you for the work.
Snap lock panels clip together by hand. Mechanically seamed panels are folded closed with a seaming machine after being set, which produces a tighter seam and is generally specified on lower slopes and more exposed sites.
Far less than people expect on a house. The picture most have in mind is bare panels over open framing. Metal over solid decking with underlayment beneath it behaves quite differently.
No. A metal roof does not make a strike more likely. Metal is conductive and non combustible, which is a different property from attracting anything.
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