The Metacaulk 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.

Approval / Capability	Metacaulk 150+	STI SpecSeal LCI	STI SpecSeal ES	Hilti FS One Max	Hilti CP 606	3M IE 15	3M 150+
3 Hr. CAJ & FA Approvals for Concrete Assemblies	🔴✓	✓		✓	✓	✓	✓
1 & 2 Hr. WL Approvals for Gyp. Wallboard Assemblies	🔴✓	✓		✓	✓	✓	✓
1 & 2 Hr. FC (L 500) Approvals for Wood Floor Assemblies	🔴✓	✓		✓	✓	✓	✓
1 & 2 Hr. FEG (G 500) Approvals for Concrete Plank Assemblies	🔴✓	✓		✓		✓	✓
2 in. (DWV) PVC & CPVC Approvals	🔴✓	✓		✓		✓	✓
1 in. AB/PVC (Armaflex) Insulation	🔴✓	✓		✓	✓	✓	✓
2 in Fiberglass Insulation	🔴✓	✓		✓	✓	✓
24 in. Steel & Cast Iron Pipe & 6 in. Copper	🔴✓	✓	✓	✓		✓
100 in. x 100 in. HVAC Ducts	🔴✓	✓		✓	✓
Approved for all types of Electrical Cables	🔴✓	✓	✓	✓	✓		✓
3 in. (DWV) PVC & CPVC in Wood Chase Walls	🔴✓	✓		✓		✓
CPVC Compatibility - Lubrizol	🔴✓	✓		✓		✓
CPVC Compatibility - Spears	🔴✓	✓		✓		✓
3 & 4 Hr. Concrete Fire Resistive Joints	🔴✓		✓		✓		✓
1 & 2 Hr. Gypsum Wallboard Fire Resistive Joints	🔴✓		✓		✓		✓
Up to 25% movement capability for control joints	🔴✓		✓		✓

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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.

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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.

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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

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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.

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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.

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