yes you can we suggest a 4 inch over lap here are the particular substrates. Here are the acceptable substrates the product can be applied directly on
- Various Metal Roofing systems
- EPDM-Flash coat required,
- Any original EPDM rubber roofing system.
- Fiberglass
- Hypalon
- Acrylic Sheet and any acrylic based product
- Weathered Vinyl
- Polyurethane Foam
- Torchdown
- Aged Vinyl (adhesion test required)
- Modified & BUR roofs
- Concrete, where there is little foot traffic.
- Any roof where a 3rd party coating such as an elastomeric or acrylic was previously applied.
- Urethane foam roofs
- TPO-Must be aged five years. Bonding primer required (call for details).
- Any other application must be approved in writing
- NOTE: Not to be used for 3rd party silver-asphalt based coatings unless entirely removed
