ALDOCOAT 374 Acrylic Contractor Grade
ALDOCOAT 374 is a high solids, technologically advanced, fire retardant, thixotrophic, 100% acrylic elastomeric uniquely formulated for the protection of spray polyurethane foam, metal, and a wide variety of
other substrates. The proprietary formulation incorporates high solids elastomeric acrylic resins, reinforcing laminar pigments and nonmigrating fire retardants to produce a seamless, flexible, durable
membrane having exceptional weather ability, ultraviolet and fire resistance. ALDOCOAT 374 acts as a “breathing” membrane allowing trapped moisture vapor to pass through the film while remaining impervious to exterior mass water penetration. The resultant tough, cured filmprovides good resistance to mechanical damage and chemical attack
ALDOCOAT 374 is the ideal choice for metal roofs, BUR and single ply restoration. This product carries the FM Global Approval (ASTM E108) over spray polyurethane foam and FM Severe Hail Rating (Class 1SH) over metal decks. The thixotropic nature of ALDOCOAT 374 permits high build coverage, even on rough, textured or vertical surfaces without pin holing or sagging. It also has excellent adhesion to a variety of other substrates, such as asphalt, primed wood, primed metal, concrete and masonry. Ponding water conditions are to be avoided. Please contact our Technical Service Department for primer recommendations for application over rusted surfaces.
TYPICAL PHYSICAL PROPERTIES
TOTAL SOLIDS: 68% by weight ASTM D1644m 60% by volume ASTM D2697
WEIGHT PER GALLON: 11.4 lbs per gallon ± 0.2
SHELF LIFE: 12 months @ 45°- 80° F
COLOR: White, Gray or as specified
VISCOSITY: 8000 ± 1500 cP
ELONGATION: 315% ASTM D412
RECOVERY: 100% ASTM D412
IMPACT RESISTANCE: exceeds 160b in/lb.
HARDNESS: 45 Shore A ASTM D-2240
TENSILE STRENGTH: 400 psi; 3600 psi w/ fabric
PERMEABILITY: 3.4 perms ASTM E-96
ALGAE RESISTANCE: No growth supported
FUNGI RESISTANCE: No growth supported
SALT SPRAY: No effect (3000 hours)
WEATHERABILITY: No effect (3800 hours)
SERVICE TEMPERATURE: -40º TO 200º F
FIRE RATING: FM Global Approved
HAIL RATING: FM Severe Hail Rating FM Class
CURE TIMES: DRY TO TOUCH: 4 Hours @ 75º F
TACK FREE: 12 Hours
RECOAT: 12-24 Hours
SOLAR REFLECTANCE: .82
THERMAL EMITTANCE: .90
EPA Energy Star Listed
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