PROFLEX™ Hydra-Seal is a thin, load bearing, crack suppression, waterproof membrane, it provides a monolithic transition for crack-isolation and waterproofing applications. The material is installed in a semi-fluid state and can be applied to most shapes or irregular form such as base flashings, walls, etc.


Typical Use

Bathrooms, Showers, Tub Surrounds
Exterior Balconies *with no occupied living space below
Economical 1 coat crack suppression
Economical 2 coat waterproofing
Countertops for tile or stone installations
Fountain and Pools areas


  • Cold Applied
  • Rated extra heavy duty
  • Non-flammable characteristics works especially well for interior applications
  • Offers both intermittent and continuous resistance from moisture vapor and hydrostatic pressure up to 7# per 1000sqft-24 hour CaCl test.
  • Dries Overnight
  • 1/4″ Crack Isolation

Companion Products

  • Mesh

Data Sheets

Requires Adobe ReaderData Sheet / Installation Guidelines

Requires Adobe Reader Material Safety Data Sheet

Requires Adobe Reader Bronze 5 Year Warranty 

Requires Adobe Reader Silver 15 Year Warranty 

Requires Adobe Reader Gold Limited Lifetime Warranty 

Warranty based on the system of materials used to install finish flooring products.
Please refer to our full warranty information for specific terms and conditions.