Bostik Best Adhesive 28 oz | LL Flooring- bostik's best wood adhesive specifications ,Best Adhesive 28 oz. Bostik's Best Adhesive is a one-part, moisture-cure adhesive . Once cured, its superior elastromeric properties provide a tough, flexible, tenacious bond to wood flooring. Specially forumlated for high bond strength and flexibility with a fast cure rate.Bostik Best Adhesive - 5 Gallon | City Floor SupplyFeatures. Bostik's BEST. Bostik's Best is a one-part, trowel-applied, moisture-cure, urethane adhesive. Once cured, its superior elastomeric properties provide a tough, flexible, tenacious bond to a variety of surfaces. The elastomeric characteristics of Bostik's Best allow the adhesive to move with wood as it expands and contracts.