Standing Seam vs Exposed-Fastener Metal Roof
**Standing seam** panels hide fasteners—premium look, fewer leak points, thermal movement handled by clips. **Exposed-fastener** (R-panel) is cheaper and faster to install but needs gasket maintenance over decades.
Step by step
1. Price per square
Standing seam labor is higher—get installed quotes.
2. Roof pitch
Both need minimum slope—check manufacturer spec.
3. Coastal wind
Standing seam often rated higher in uplift zones.
Standing seam vs exposed fastener
Farm and pole barns use screw-down; residential upscale uses seam.
- Standing seam: Hidden fasteners; longer life; higher cost.
- Exposed fastener: Economical; gasket wear; visible screws.
Use our calculators
Common mistakes
- Overtightening screws
- Mixing metals without isolation
FAQ
Does metal roof rust?
Coated steel and aluminum resist rust—salt air needs marine coatings.