AWS: Roof Coatings Commercial Roofing Flat Roofing Repair Metal Roof Repair

DESCRIPTION

Brush-Grade 220 is a 100% acrylic elastomeric caulk used to bridge gaps in flashing, seams, fasteners and penetrations.

BENEFITS

Superior Protection - forms a durable, weather resistant "rubber-like" seal.
Ideal for sealing holes, cracks and joints.
Highly flexible.
100% acrylic elastomeric caulk, fully compatible with other WeatherStar Elastomeric Products.
Superior adhesive and cohesive strength.
Plasticizer-free caulk, will not dry-out or become brittle.
Contains a strong mildewcide / fungicide.
Easy to use, easy clean up, non-toxic and VOC compliant water based caulk.

All surfaces to be coated must be clean, dry and free of any oil, grease or dirt. Power washing is recommended. Any existing coating must be checked for good adhesion. Before application, any loosely adhered coating must be removed and bare surfaces must be prepared, cleaned and checked for compatibility.

Brush-Grade 220 is ready to use. Thinning is not required or recommended.

Brush: Good quality, stiff synthetic bristle brush.

TECHNICAL DATA

Color:	White
Viscosity:	Min. 140KU @ 25°C / 77°F
Density, lb./gal:	11.25 ± .1
PH:	> 8
Percent Solids by Weight:	63% ± 1%
Flash Point:	Same as water.
Hardness, Shore A:	60 – 80 (ASTM D-2240)
Tensile Strength at Max Stress:	200 p.s.i. @ 25°C / 77°F 500 p.s.i. @ -17°C / 0°F (ASTM D-412)
% Elongation at Break:	500% @ 25°C / 77°F 400% @ -17°C / 0°F (ASTM D-412)
Permeability:	5 perms/inch. 20 mils thick coating (ASTM E-389)
Coverage:	5 gallons will cover 125 lineal feet, 6 inches wide.
Recommended Coverage:	As needed.
Min. Surface Application Temp.:	7.2°C / 45°F. Do not allow to freeze.
Drying Time:	6 hours @ 25°C / 77°F, 50% relative humidity.
Packaging:	5 gallon buckets.