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The Metacaulk Wrap Strip is a flexible, pre-cured dry intumescent strip designed for firestopping plastic and insulated pipe penetrations.
When exposed to heat, it expands to form a protective char that helps seal openings and prevent the spread of flames, smoke, and toxic fumes.
Simply wrap the required number of strips around the penetrant to fill the annular space and create a reliable firestop seal. Designed for easy installation with no curing time required, Metacaulk Wrap Strip is an efficient and cost-effective solution for through-penetration firestop applications.
Key Features

Flexible, pre-cured dry intumescent strip.

Expands under heat to form a protective refractory char.

Helps prevent the spread of flames, smoke, and toxic fumes.

No curing time required.

Easy wrap-around installation.

Suitable for plastic and insulated pipe penetrations.

Compatible with universal collars for larger engineered plastic pipes.

Long 18-foot strip length helps reduce waste.

Excellent freeze-thaw resistance.

Fungal growth rating of zero according to ASTM G21.

Tested to ASTM E814 (UL 1479).

VOC compliant per CDPH Standard Method v1.2.

Common Applications

Plastic pipe penetrations.

Insulated pipe penetrations.

Through-penetrations in walls and floors.

Universal collars for engineered plastic pipes 8 inches in diameter and larger.

Fire-rated building assemblies.

Product Information

Specification
Details

Product Name
Metacaulk Wrap Strip

Part Number
66440

Dimensions
1" × 18'

Product Type
Pre-cured dry intumescent strip

Application
Firestopping plastic and insulated pipe penetrations

Testing Standards
ASTM E814 (UL 1479)

VOC Compliance
CDPH Standard Method v1.2

Fungal Growth Rating
Zero (ASTM G21)

Performance
Resistant to accelerated aging and high humidity (UL 1479)

 
Frequently Asked Questions (FAQ)
Q1. What is Metacaulk Wrap Strip used for?Metacaulk Wrap Strip is used to provide firestop protection for plastic and insulated pipe penetrations in fire-rated assemblies.
Q2. How does Metacaulk Wrap Strip work during a fire?The intumescent strip expands when exposed to heat, creating a protective char that seals openings and helps prevent fire and smoke spread.
Q3. How is Metacaulk Wrap Strip installed?It is installed by wrapping the required number of strips around the penetrant to fill the annular space and create a tight firestop seal.
Q4. Does Metacaulk Wrap Strip require curing time?No. The pre-cured dry strip design allows immediate installation without waiting for curing.
Q5. What standards does Metacaulk Wrap Strip meet?Metacaulk Wrap Strip is tested according to ASTM E814 (UL 1479) and meets VOC compliance requirements under CDPH Standard Method v1.2.
Brand:MetacaulkSKU:66442Tags:Fire SafetySize:1" X 18' - Case of 2, 1" x 36' - Case of 4, 2" x 18' - Case of 1, 2" x 36' - Case of 2