AQO FIREXXX B2

AQO FIREXXX B2 is a high-performance B2-grade polyurethane expanding foam designed for sealing, filling, and insulating gaps, joints, and cavities. It provides excellent adhesion to most building materials while offering superior thermal and sound insulation. Ideal for doors, windows, pipe penetrations, construction joints, and general building applications.

SKU: A2750F Category: FIREXXX B2 AND CONSTRUCTION FOAM Brand: AQO

AQO FIREXXX B2

AQO FIREXXX B2 is a premium-quality B2-grade polyurethane (PU) expanding foam engineered for professional sealing, filling, and insulation applications. Its moisture-curing formula expands to fill gaps and voids, creating a durable, airtight, and weather-resistant seal with excellent thermal and acoustic insulation properties.

Suitable for residential, commercial, and industrial construction, AQO FIREXXX B2 adheres strongly to concrete, brick, wood, metal, PVC, aluminum, and many other building materials. It is ideal for installing doors and windows, sealing service penetrations, filling cavities, and reducing air leakage.

Key Features

B2-grade polyurethane expanding foam
Excellent gap-filling and sealing performance
Strong adhesion to most construction materials
Superior thermal and sound insulation
Moisture and weather resistant
Fast curing and easy to trim after hardening
Suitable for indoor and outdoor applications
Helps improve energy efficiency by reducing air leakage

Applications

Door and window frame installation
Filling gaps, cracks, and cavities
Sealing pipe and cable penetrations
Roof and wall insulation
HVAC installation
Construction and renovation projects
General building maintenance and repairs

Benefits

Expands to fill irregular gaps and voids
Creates an airtight and durable seal
Reduces heat loss and external noise
Improves insulation and energy efficiency
Easy to apply with professional results
Long-lasting performance in demanding environments

How to Use

Clean and lightly moisten the application surface.
Shake the can thoroughly before use.
Attach the applicator or foam gun according to the product instructions.
Apply the foam into the gap, filling approximately one-third of the cavity to allow for expansion.
Allow the foam to cure completely before trimming or finishing.

Storage & Safety

Store the can upright in a cool, dry, and well-ventilated place away from direct sunlight and heat. Do not expose the container to temperatures above the recommended storage limit. Wear protective gloves and eye protection during application, and use only in well-ventilated areas. Keep out of reach of children and follow all safety instructions on the product label.

Features	B2 Fire Class Rated: Formulated to meet B2 flammability standards, providing critical fire-retardant properties for safer construction and renovation. Triple Expanding Formula: High-yield expansion ensures that even the largest cavities and irregular gaps are filled completely with less product.