Rock hard finish for all of your outdoor (and indoor) foam projects. This stuff is super tough. It is not sandable. Has a rough stone feel when dry. It can be troweled smooth, or brushed to make a super rough finish.

• Adheres to polystyrene foams.
• Forms a weather resistant surface.
• Easy to mix. Just add water.
• Use above or below grade
• Apply with paintbrush or trowel.
• Paintable
• Fireproof
• Many decorative surface textures can be created.
• Soap and water clean-up.
• Add Boost fortifier if extra strength is desired.

COVERAGE 3lbs:
1/64” thick 36 sq ft
1/16” thick 9 sq ft
1/4" thick 2.25 sq ft

COVERAGE 25lbs:
1/64” thick 288 sq ft
1/16” thick 72 sq ft
1/4” thick 18 sq ft

COMPRESSIVE STRENGTH: ASTM C109
1   Day   750 psi
7   Day   2500 psi
28 Day  3500 psi

FLEXURAL STRENGTH: ASTM C348
1   Day   350 psi
7   Day   550 psi
28 Day  1250 psi

FIRE DATA
Flammability: Noncombustible and not explosive.
Auto-ignition Temperature: Not Applicable
Flash Points: Not Applicable