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B-Tuff 308 Heavy Duty Floor Coating, Parking and Walking Waterproofing Deck Membrane 4.5 Gal kit


B-TUFF® 308 is a two component, fast setting, rapid curing, solvent free, flexible, high performance, high solids, urethane-elastomer base membrane that can be applied to prepared interior or exterior concrete, plywood and metal surfaces.
Due to its fast gel time, B-Tuff® 308 is suitable for applications in temperatures as low as 20°F (-6.7°C).
It may be applied in a single application or in multiple applications.
B-Tuff® 308 is also relatively insensitive to moisture and temperature, allowing applications in various temperatures and humidity.
Please use the correct product grade that complies with VOC regulations as per federal, state, county and city regulations/codes at the place of installation of product.installation of product.


  • Applied at any thickness in one application
  • Excellent Weathering
  • Seamless
  • Labor Saving
  • May be applied at any thickness in one pass
  • MeetstheCriteriaofASTMC-836& E-96
  • Non-Gassing
  • User Friendly
  • Fast Curing (1-4 hours)
  • Resists Dirt Attraction
  • Good Thermal Stability
  • Highly Flexible over extreme temperatures
  • No Odor – Re-coat-able
  • Meets SCAQMD VOC Requirements
  • Excellent Low Temperature Flexibility


  • Vehicular Parking Decks
  • Portico Waterproofing
  • Exterior and Interior Waterproofing Traffic Areas
  • Walkways, Patio’s and Stairways
  • Sun Rooms
  • Metal Roofs
  • Mechanical Room
  • Heavy Elastomeric Duty Flooring
  • Basketball Courts
  • Pre-cast Joints
  • Block and Masonry
  • Curtain Walls


  • Grey.
  • Tan color is available upon request with minimum order of 250 gallons (945 liters). Custom colors are also available with a minimum order of 250 gallons (945 liters).


  • 5 gallon kit:
  • One 5 gallon pail (net 4 gallons) of Part-A
  • And one 1 gallon can of Part-B.


B-TuffTM 308 may be applied at any rate to achieve desired thickness. Theoretical coverage for 1 mil thickness is one gallon per 1520 sq. ft.


Refer to general guidelines for complete information. Adhesion tests are recommended prior to coating.


NOTE: B-TuffT M 308 may NOT be diluted under any circumstances.
DO NOT ESTIMATE, proportions are pre-measured.
Using a mechanical mixer, first pre-mix separately Part-A and Part-B base material thoroughly to obtain an uniform color, making sure to scrape the solids from the bottom and sides of the pail.

Download Data Sheet





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