Sure the liquid roof can go directly over fiberglass and steel. Here are the specific substrates and their limitations
Thank you
greg
The following roof types-substrates do NOT require the ProFlex primer only one coat of the Liquid EPDM
- Various Metal Roofing systems
- Weathered Galvanized
- Weathered Aluminum
- Weathered Copper
- Any original epdm rubber roofing system
- Concrete where there is little foot traffic
- Sprayed Urethane Foam
- Fiberglass
- PVC
- Acrylic Sheet and any acrylic based products
- Weathered Vinyl
The below roof types- substrates will require one coat of the ProFlex primer prior to application of Liquid EPDM Rubber
- Built up asphalt roofs-You would first need to apply our ProFlex primer before applying the liquid EPDM.
- Asphalt shingles-First needing our ProFlex primer
- Modified asphalt roll roofing - First needing our ProFlex primer
- Stainless steel-Only if sanded
- Neither the primer or Liquid EPDM can be applied to glass
- Silicone caulk-Any silicone caulk needs to be removed and replaced with either butyl or acrylic caulk
- Heavily trafficked surfaces like decks or porches
- Hypalon Membrane-ProFlex primer is required first
- Wood applications that are first primed with our ProFlex primer
- Any roof where a 3rd party coating such as an elastomeric or acrylic was previous applied
- TPO
- Polyurethane foam