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SPRAY-ON VAPOR BARRIER FOR CONCRETE
BELOW GRADE APPLICATION

Safe-T-Kote® VB920 is a single component, latex polymer compound, which forms a flexible, elastic, waterproof membrane. Suggested uses are moisture barriers for concrete walls  below grade, vapor barrier for underground houses, waterproof lining for concrete holding tanks for hydroponics, protection for foam insulated forms.

FEATURES
  • Excellent adhesion to concrete, primed metals, expanded foam, wood and fabrics.
  • Highly resistant to water, salt, and acid solutions.
  • Remains permanently flexible and elastic.
  • Built in biocide prevents mold growth.
  • Contains no VOC's, Non-flammable
  • Resistant to freezing and thawing
  • Roller or airless spray application

TYPICAL PROPERTIES
  • Water Vapor Transfer - 0.085 (ASTM E-96)
  • Adhesion to Concrete - 160 psi
  • Tensile Strength - 404 psi (ASTM D-638)                                        
  • Elongation - 650% (ASTM D-638)
  • Shear Strength - 389 psi (ANSI 118.10)
  • Breaking Strength - 411 psi (ANSI 118.10)
  • Coverage: 32 sq. ft. per gallon @ 1/16" (Recommended Dry Film Thickness)                                   

APPLICATION METHODS

Surface temperature must be at least 10 degrees C (50 degrees F). Do not apply this product if rain or frost is imminent over the next 24 hour period. Do not backfill until VB920 has reached a full cure.

For spray application use airless spray with a compressed air supply pressure of 800 psi., a compression ratio of 28:1, and tip size of .025”. Adjust fan width to 8”. For single coats of more than 1/32”, it is recommended that product be applied by airless spray.

If two coats are applied by brush or roller, apply second coat at right angles to the first. The first coat must be dry to touch before recoating, usually in the order of one hour. It is preferable to apply the second coat within 24 hrs after application of the first in order to insure good adhesion. Do not backfill until coating has reached a full cure.

VB920 is perishable if frozen in the uncured state. For this reason, VB920 must be shipped in winter using heated service. Uncured VB920 must be stored at temperatures above 4 degrees C (40 degrees F). Cured VB920 is unaffected by freezing.

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Toll Free  1-877-434-1658
Or Contact us by Email - info@polycoatings.com