Metacaulk MC 150+ Red 10.3 Oz. Firestop Sealant

Metacaulk MC 150+ is an elastomeric, one component, general purpose firestop sealant.

Fire rated sealant and smoke seal for construction joints and through-penetrations on both horizontal and vertical surfaces.

Water-based, non-sag caulking grade sealant that is easy to apply as well as to retrofit.

Cures to a paintable flexible seal.

Prevents the spread of flames, smoke, hot gases and water through joint openings and through-penetrations.

Can be used in areas under constant vibration or movement.

Excellent freeze/thaw.

Recommended for metal, fiberglass and plastic pipes, wall construction joints, power and telephone cables.

Tested to ASTM G21 mold inhibitor.

Sound Transmission Class (STC) rating 65. (ASTM E90) VOC compliant. 3 year shelf life.

Meets ASTM E814, Standard Test Method for fire tests of Penetration Firestop Systems.