METACAULK® MC 150+ Firestop Sealant
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Metacaulk® MC 150+ is a one-component, general purpose, fire-rated sealant and smoke seal for construction joints and through-penetrations. A water-based, non-sag caulking grade sealant that is easy to apply as well as to retrofit. An economic choice for most common applications. STC rating 51, Tested in a UL 411 wall assembly/section to ASTM E90.
- Economical
- Water-Based - VOC compliant
- Flexible Set
- Paintable
- Bonds Quickly
- Safe & easy to use
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