Liquid Nails Heavy Duty Construction Adhesive is a multi-purpose, low-solvent, high-strength construction adhesive specially formulated to provide the professional and do-it-yourselfer excellent adhesion and extended working time. Certified by UL Environment to meet the GREENGUARD Gold Standard as a low emitting material. Recommended for many exterior and interior heavy duty applications including plywood, particleboard, brick veneers (interior only), foamboard, waferboard, treated lumber, imitation stone (interior only), ceiling tiles, cementboard, drywall, tileboard and 1/8" MDF paneling. Not recommended for flooring applications, ceramics, mirrors, granite, marble, plastic, vinyl, underlayment and installing tileboard directly to studding. Strong bond will outlast project. Strong, durable and flexible