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Sealants
Metacaulk SAS Smoke & Acoustic Sealant
High-grade acrylic latex sealant for permanent seal of penetrations, membrane openings, and joints in smoke or sound rated assemblies. NOT for fire-rated assemblies. Meets LEED requirements. STC 69. Protected against mold growth.
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UL-Classified SystemsComponents of tested UL firestop systems
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Authorized DistributorGenuine Metacaulk® / RectorSeal
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TDS & SDSFull technical documentation
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Same-Day ShippingOrder by 11 AM CST
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Spec & Submittal SupportCode & system help
Key features
- STC Rating 69 (ASTM E90)
- Meets LEED requirements for low-emitting materials
- Impedes sound transfer
- Interior application, water cleanup
- 2-year shelf life
- NOT for fire-rated assemblies
Typical applications
- Non-fire-rated penetrations
- smoke barrier partitions
- sound control assemblies
- metallic pipes
- combustible pipes
- construction joints
Technical data
| VOC | TVOC 44.6 μg/m³ (CDPH v1.2 Pass) |
|---|---|
| Color | White |
| Application Temp | 40°F–120°F |
| Chemical Base | Water Based Acrylic |
| Cure Time | 3–4 weeks |
| Skin Time | 30 min @ 77°F |
| STC Rating | 69 |
| Smoke Index | 5 |
| Flame Spread | 0 |
Installation overview
- Clean all surfaces free from debris and contaminants
- Push backing material into opening flush with exposed surface
- Apply sealant as directed in smoke sealant system documents
- Clean all equipment with water immediately after use