News & Advice

The most common commercial roof style is the flat or low-slope roof.

Characteristics of flat or low-slope roofs…

1. Minimal Pitch – Flat roofs have a nearly horizontal surface, while low-slope roofs have a slight incline to facilitate water drainage.
2. Versatility – Flat or low-slope roofs offer flexibility in design and can accommodate rooftop equipment, solar panels, and outdoor recreational spaces.
3. Accessibility – Due to their horizontal or gently sloped surface, flat or low-slope roofs are easily accessible for maintenance, repairs, and installations.
4. Waterproofing – Proper waterproofing is essential for flat or low-slope roofs to prevent water ponding and leakage. This often involves the installation of specialized membranes, coatings, or built-up roofing systems.
5. Drainage Systems – Flat or low-slope roofs require effective drainage systems, such as internal drains, scuppers, or gutters, to remove rainwater and prevent ponding.
6. Insulation – Adequate insulation is necessary to prevent heat loss or gain through the roof and to comply with energy codes and standards.
7. Materials – Common materials used for flat or low-slope roofing include built-up roofing (BUR), modified bitumen, single-ply membranes (such as EPDM, TPO, or PVC), and spray foam roofing.