Acoustical Sealant 20 oz ā Everkem Sound Seal 90
- ā In Stock ā Ships Same Day or Next Business Day
- ā Trusted by contractors and industrial buyers
- ā Bulk pricing available ā Request a Quote
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ā Professional-Grade Sealant ā Built for Commercial & Industrial Use
ā Bulk Pricing Available ā Built for Jobsite Use
High Demand Item ā Frequently Reordered by Contractors
The Everkem Sound Seal 90 is a non-hardening acoustical sealant designed to seal gaps and penetrations in STC-rated wall and floor assemblies, maintaining sound transmission class performance in commercial and residential construction. Applied at perimeter joints, electrical boxes, and penetrations, it prevents sound flanking paths that reduce assembly ratings. Easy gun application ā built for contractors and acoustic system installers.
Applications
- STC-rated wall and floor assemblies
- Perimeter joint sealing at floors, ceilings, and walls
- Electrical box and outlet sealing
- Pipe and conduit penetration sealing
- Commercial acoustic construction
Key Features
- Non-hardening formula ā remains flexible permanently
- Seals sound flanking paths at joints and penetrations
- Maintains STC ratings in wall and floor assemblies
- Easy caulking gun or sausage gun application
- Paintable after application
Frequently Asked Questions
Does this harden after application?
No. Sound Seal 90 remains permanently flexible and non-hardening.
What assemblies is this used in?
STC-rated wall and floor assemblies requiring acoustic joint sealing.
Can it be painted?
Yes. Paintable after application.
Is it available in bulk?
Yes. Available in 20 oz sausage, 28 oz, and 5 gallon sizes.
Why Contractors Choose This Product
- Reliable, consistent performance on commercial and industrial jobsites
- Easy application reduces labor time
- Available in bulk sizes for large projects
- Trusted Everkem formulation built for contractor use
- Ships same day ā ready for immediate jobsite use
ā Bulk Pricing Available
ā Fast Shipping from Multiple U.S. Warehouses
ā Built for Contractors, Not DIY
Built for commercial acoustic construction, Everkem Sound Seal 90 maintains STC assembly ratings by eliminating sound flanking paths. Ships same day.
Ideal for contractors, acoustic installers, and commercial construction projects requiring reliable acoustical sealant performance.