Siliconized Acrylic Caulk

A3 is a siliconized acrylic latex caulk designed for general purpose sealing for both interior and exterior applications. Apply Gardner® A3 to wood, brick, concrete, plaster, masonry, metal and drywall. Gardner® A3 provides a reliable seal for seams around doors, paneling, windows, woodwork, baseboards and many other household surfaces. Formulated for caulking areas with no movement and designed to be painted over, Gardner® A3 meets ASTM C834 standards.