MONO® acoustical sealant is a single-component, non-skinning, non-hardening synthetic butyl rubber sealant for use in reducing sound transmission in drywall partitions and for sealing wall penetrations. Provides an effective adhesive seal for air and vapour barriers. MONO® acoustical sealant meets CAN/CGSB 19.21 M87 specifications. Single component. Easy to gun. Long lasting. Does not stain or bleed. Non-skinning.

• For use on sound-rated wall & floor systems
• Crackproof
• Stays flexible / non-sagging
• Strong adhesion to wide variety of building materials