TheMetacaulk MC 150+is a versatile, intumescent fire-rated sealant designed for construction joints and through-penetrations.

Activated by fire exposure, it prevents the spread of flames, smoke, hot gases, and water, providing up to 4 hours of fire protection as per ASTM E814 (UL 1479) and ASTM E1966 (UL 2079) standards. With an STC rating of 51 for sound control and a minimum 3-year shelf life, this water-based, VOC-compliant sealant is ideal for interior applications requiring flexibility, durability, and ease of use.

Key Features:

• Fire and Smoke Protection:Expands under heat to seal openings, preventing the spread of flames, smoke, and hot gases.
• Water-Based & Non-Sag:VOC compliant and easy to apply with no dilution or mixing required.
• Flexible and Durable:Cures to an elastomeric seal, suitable for dynamic movement and freeze-thaw conditions.
• Mold-Resistant:Protected against mold growth in both wet and dry stages with a combination of biocides.
• Easy Application:Can be applied with a caulking gun, bulk loading gun, trowel, or pumped directly from the pail.
• Paintable:Suitable for interior use and can be painted to match surrounding surfaces.

Applications:

• Construction Joints:Use on vertical and horizontal surfaces for fire-rated sealing.
• Through-Penetrations:Ideal for EMT, telephone, and power cable penetrations in concrete floors/walls, gypsum walls, and wood floors.

Product Details:

• Color:Red
• STC Rating:51 (sound transmission control)
• Shelf Life:Minimum 3 years
• Certifications:ASTM E814 (UL 1479), ASTM E1966 (UL 2079), Clean Air Gold Certified
• SKU:Metacaulk-MC-150-Plus-Firestop-Sealant

Why Choose Metacaulk MC 150+?

• Reliable Fire Protection:Provides up to 4 hours of fire and smoke protection.
• Ease of Use:No mixing or dilution required, making it safe and easy to apply.
• Versatile:Suitable for construction joints, through-penetrations, and dynamic movement applications.
• Environmentally Friendly:VOC compliant and Clean Air Gold Certified.
• Long Shelf Life:Ensures product reliability and performance over time.

Upgrade Your Firestop System with Metacaulk MC 150+

Ensure the safety and compliance of your building with Metacaulk MC 150+ Firestop Sealant. Its superior fire and smoke protection, ease of application, and durability make it the ideal choice for construction joints and through-penetrations.

Documents

• PDS – English
• PDS – French
• PDS – Spanish
• SDS – English
• SDS – Spanish
• SDS – French
• Certified Clean Air Gold Certificate
• Firestop Penetrations General Specifications
• Firestop Joints General Specifications

PDF

Fire-resistant Joints

• WWD1029
• HWD-0215
• BWS0011

Through-penetrations

• WL5173

• WL5171

• WL2262

• WL1152

• FC2398

• FC2042

• FA2113

• CAJ8129

• CAJ7067

• CAJ7082

• CAJ6027

• CAJ5283

• CAJ2348 Wall

• CAJ2348 Floor

• CAJ1235 Pipe

• CAJ1235 Conduit