Engineered to fight moisture, Zephyr can also be used as a primer, or even an encapsulator, eliminating the need to remove existing or cutback adhesive residue. This one-part, roller-applied coating requires no stirring or mixing and is uniquely adaptable to varying moisture levels.
Approved Substrates and Surfaces:
- APA underlayment grade plywood and OSB
- Association grade particleboard
- Cement backer board
- Cementitious and anhydrite screeds
- Concrete and radiant heated subfloors that do not exceed 85°F (30°C)
- Gypsum and lightweight concrete
- Well-bonded residue from cutback adhesives
- Well-bonded residue from multipurpose, latex, and pressure sensitive adhesives
Substrate Testing:
One coat: RH - 93% [ASTM F2170]
pH - No Testing Required: 5 - 14
MVER - 10 lbs [ASTM F1869]
Porosity - CSP 1+, must pass [ASTM F3191]
Two coats: RH - 95% [ASTM F2170]
pH - No Testing Required: 5 - 14
MVER - 15 lbs [ASTM F1869]
