TPO flips normal roofing math on its head. Shingles are heavy and compact; membrane, insulation board, and cover board are light and enormous. Size the can for shingles and you'll swap it three times before lunch.
The volume problem
A 20-square shingle tear-off is a heavy, dense load. The same 20 squares of TPO with ISO board underneath is a mountain of bulky, feather-light material that eats cubic yards fast. That's why membrane jobs run 40-yard cans — 8-foot walls exist for exactly this debris.
Container math for TPO
- Membrane rolls: cut and fold tight — loose membrane traps huge air pockets.
- ISO/cover board: stack flat like plates, don't toss like frisbees.
- Ballast or pavers present? Those are dense — call and we'll plan a separate shallow-loaded can.
Keep the site moving
Big commercial tear-offs run on swap rhythm: call at three-quarters full and the fresh can lands before the crane cycle stalls. Our roofing service runs these rotations across North Florida — flat-rate C&D, placed tight to your staging area, booked online or by one phone call.