Metacaulk 1200 Firestop Sealant

Metacaulk 1200 Firestop Sealant

The Metacaulk 1200 Firestop Sealant is a single-component, general-purpose fire-rated sealant designed for construction joints. It cures to form a durable elastomeric membrane that accommodates dynamic movement while helping prevent the spread of flames, smoke, hot gases, and water through joint openings.

Available in multiple grades and application methods, Metacaulk 1200 requires no mixing or dilution and provides reliable fire protection for a variety of construction joint applications. It is water-based, VOC compliant, paintable, and offers excellent freeze-thaw resistance for dependable long-term performance.

Key Features

• Single-component fire-rated construction joint sealant.

• Forms a flexible elastomeric membrane after curing.

• Designed for dynamic movement joints.

• Helps prevent the spread of flames, smoke, hot gases, and water.

• Rated for up to 4 hours in accordance with ASTM E1966 / UL 2079.

• Tested to ASTM E814 (UL 1479) for systems up to 3 hours.

• Cycled 500 times to ASTM E1399 standards.

• No mixing or dilution required.

• Water-based and VOC compliant.

• Paintable after curing.

• Excellent freeze-thaw resistance.

• Protected against mold growth with biocides.

• Minimum 3-year shelf life.

• Available in sprayable, brushable, trowelable, caulkable, and pourable grades.

Common Applications

• Fire-rated construction joints.

• Expansion joints.

• Control joints.

• Dynamic movement joints.

• Wall and floor assemblies.

• Commercial construction.

• Institutional buildings.

• Industrial facilities.

Product Information

Available Sizes

Frequently Asked Questions (FAQ)

Q1. What is Metacaulk 1200 Firestop Sealant used for?
Metacaulk 1200 is used to firestop construction joints while allowing movement in dynamic wall and floor assemblies.

Q2. Does Metacaulk 1200 require mixing before use?
No. It is a single-component sealant that requires no mixing or dilution.

Q3. What fire rating does Metacaulk 1200 provide?
It provides fire-rated joint systems for up to 4 hours when installed in approved assemblies and through-penetration systems up to 3 hours.

Q4. Can Metacaulk 1200 be painted after curing?
Yes. The sealant is paintable once it has fully cured.

Q5. What application methods are available for Metacaulk 1200?
It is available in sprayable, brushable, trowelable, caulkable, pourable, mastic, self-leveling, and caulk-grade formulations to suit different installation requirements.