Loctite PL 400 Subfloor Construction Adhesive is a premium-grade adhesive formulated for strong and reliable bonding of subfloors and other construction materials. Ideal for plywood, OSB, particleboard, lumber, and treated wood, this adhesive helps minimize floor movement and squeaks while enhancing structural integrity. Suitable for professional contractors and DIY builders, PL 400 delivers excellent adhesion and long-lasting performance for interior and exterior construction projects.