TinnerFlow™3rd YearRoof Work & CurbsYELLOW · Check First
Canted Curb: Features a raised, angled built-in wooden or metal triangular cant strip along the bottom perimeter. This allows the roofing material (like modified bitumen or built-up roofing) to transition smoothly up the side of the curb at a 45 ∘ angle to shed water.
Canted Curb: Features a raised, angled built-in wooden or metal triangular cant strip along the bottom perimeter. This allows the roofing material (like modified bitumen or built-up roofing) to transition smoothly up the side of the curb at a 45 ∘ angle to shed water.
Flat Curb: Has a straight 90 ∘ vertical base. It is designed for single-ply membrane roofs (like TPO or EPDM) where the roofing sheet can be rolled directly up the vertical wall of the curb and tucked under a counter-flashing cap.
Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.