Product Description

A paintable, easy-to-use, siliconized acrylic caulk with acoustical ratings.

Acoustical Performance – when used properly, pigmented RCS20 siliconized acrylic sealant grades have been shown to maintain a 43 STC (Sound Transmission Class) and a 32 OITC (Outdoor/Indoor Transportation Class) acoustical performance in a Wall System (ASTM E90 and C919).

Adhesion – bonds to most conventional substrates and finishes including: wood, metal, concrete, brick, plaster, masonry, drywall, glass, and ceramic tile. Some finishes or substrates may require a primer.