ROBERTS 1550 Maxcomplete Polyurethane Adhesive 4 Gallon

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Heavy-duty bonding for wood and bamboo flooring installations - 4 Gallon

ROBERTS 1550 MAXCOMPLETE is a high-performance polyurethane adhesive engineered for the installation of engineered wood, solid wood, parquet, and bamboo flooring. Its elastomeric formula adapts to the natural expansion and contraction of wood, while offering superior moisture protection, crack-bridging capability, and sound reduction—all in one powerful product.

Designed for demanding subfloors including APA/PSI-95 rated plywood, OSB, primed gypsum, radiant-heated slabs, rubber sports flooring, and properly prepared ceramic tile, this adhesive delivers a strong, flexible bond that stands up to time and traffic.

Key Features:

• Versatile wood compatibility: Ideal for engineered, solid, parquet, and bamboo flooring

• Broad substrate bonding: Concrete, plywood, OSB, cement board, radiant slabs, ceramic tile

• Elastomeric strength: Adapts to wood movement while maintaining a durable bond

• Moisture mitigation: Use with Tiger Tooth trowel for added protection

• Sound reduction + crack-bridging: Dual-purpose performance underfoot

• Low odor, low VOC: Less than 15g/L; LEED EQC 4.1 Compliant

• Flexible working time: Up to 60 minutes open time; cures in ~24 hours; sandable after 18 hours

• Coverage: Up to 40 sq. ft. per gallon depending on trowel and conditions

• Interior use only