roofing
TPO membrane (low-slope)
Thermoplastic Polyolefin single-ply membrane for low-slope roofs (≤2:12). White surface reflects heat; common on flat-roof contemporary homes.
Cost tier
MID
Cost / sqft
$5–$10
Install
specialty
Durability
high
Maintenance
medium
Moisture
excellent
Cost notes
Service life 20-30 years. Heat-welded seams; specialty crew. Cool-roof rebates may apply.
Aesthetic
- Finish: matte
- Color range: white, gray, tan
- Visual weight: light
Climate suitability
✓ Hot-humid
✓ Hot-dry
✓ Mixed-humid
✓ Mixed-dry
✓ Cold
✓ Arctic
Code notes
IRC R905.11. Slope minimum 1/4:12 generally required.
Source
Architectural Graphic Standards — Architectural Graphic Standards (Ramsey/Sleeper) — Materials chapter
Tags: TPO, membrane, flat-roof, low-slope, modern