PU Foam Sealant Solutions

PU foam sealant is used for sealing, filling, insulation, bonding, and installation work in construction. LOTFIX supplies a complete range of PU foam sealant solutions for different application needs, from everyday gap filling and window installation to insulation bonding, low-temperature use, fire-rated projects, and foam cleaning.

Choose by Application

Different projects require different foam performance. Explore the most suitable option below based on your working environment and application purpose.

Gap Filling & Daily Installation: Everyday Gap Filling Foam | Multi-Use Sealing Foam | High-Yield Installation Foam

Windows, Bonding & Insulation: Low Expansion Window & Door Foam | Board Bonding Foam | Spray Insulation Foam

Cold Weather, Fire & Cleaning: Cold Weather Foam | B1 Fire Rated Foam | B2 Fire Retardant Foam | Foam Cleaner

General Purpose PU Foam

LOTFIX F21 General Purpose PU Foam is a one-component polyurethane foam developed for standard sealing, filling, and insulation work.

Multi Purpose PU Foam Sealant

LOTFIX F22 also supports flexible supply arrangements through different can sizes, gross weight options, gun type and manual type choices, and carton packing configurations.

Professional Grade PU Expanding Foam

LOTFIX F23 Professional Grade PU Expanding Foam is a high-yield polyurethane foam with stable expansion, fast tack-free performance, and no-shrinkage curing, designed for efficient sealing, filling, and installation work.

Construction Mega PU Expanding Foam

Lotfix F24 Construction PU Spray Foam delivers high-density 70L output for precise gap filling and insulation, ensuring stronger adhesion and cleaner sealing on professional jobsites.

Low Expansion Door Window PU Foam

LOTFIX F30 Low Expansion Door Window PU Foam is a polyurethane foam for frame installation, gap sealing, and controlled filling that helps reduce bowing or warping.

Expandable PU Adhesive Foam

LOTFIX F31 Expandable PU Adhesive Foam is a one-component polyurethane adhesive foam for bonding insulation boards, filling gaps, and improving installation efficiency in building applications.

One-Component PU Spray Foam

LOTFIX F32 One-Component PU Spray Foam is a closed-cell spray polyurethane foam for thermal insulation and sound insulation on roofs, walls, pipes, tanks, and uneven surfaces.

Low-Temperature Resistant PU Winter Foam

LOTFIX F35 Low-Temperature Resistant PU Winter Foam is a one-component polyurethane foam for sealing, filling, and insulation work in winter conditions from -10°C to +35°C.

B2 Fire Retardant PU Insulating Foam

LOTFIX B2 Fire Retardant PU Insulating Foam is a one-component self-extinguishable polyurethane foam for sealing, filling, and insulating around fire doors, frames, gaps, and openings.

B1 Fire Rated PU Expanding Foam

LOTFIX B1 Fire Rated PU Expanding Foam is a one-component self-extinguishable polyurethane foam for sealing, filling, and insulating around fire doors, frames, gaps, and openings.

PU Foam Cleaner

LOTFIX PU Foam Cleaner is a solvent-based cleaner for removing uncured polyurethane foam from foam guns, tools, and accessories, with spray and gun-flush application.

Before You Order PU Foam Sealant

Confirm the application type, packaging, and working condition before ordering. The right foam selection helps improve installation efficiency, reduce waste, and support more dependable project performance.

Application: General filling, window and door installation, adhesive bonding, spray insulation, winter use, or fire rated work.

Packaging: Can size, carton packing, and gun type or manual type application.

Project Conditions: Temperature, fire requirement, insulation demand, and job site environment.

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