Description
Fischer General Purpose B3 Gun Foam – 750ml
The Fischer General Purpose B3 Gun Foam 750ml is a high-quality one-part expanding polyurethane foam designed for professional sealing, filling, insulating, and bonding applications.
This versatile expanding foam provides excellent adhesion to most building materials, including concrete, brick, stone, wood, metal, and many plastics. Once cured, it delivers reliable thermal and acoustic insulation, helping to reduce heat loss, noise transfer, and air leakage.
Ideal for trade professionals and DIY users, it is commonly used for window and door frame installation, wall penetrations, pipe and cable entries, prefabricated elements, and general cavity filling.
Key Features
- 750ml gun-applied expanding foam
- Safety valve prevents sticking when stored horizontally
- Tested for use in wet environments
- Can be cut, trimmed, and painted once cured
Benefits
- Precise dosing for professional results
- Provides airtight and weather-resistant seals
- Reduces noise transmission and improves thermal insulation
- Minimizes product waste with resealable valve
- Suitable for sustainable, low-emission construction
Typical Applications
- Filling and sealing window and door connection joints
- Insulating around prefabricated elements, wall penetrations, and pipe entries
- General cavity filling in walls, floors, and ceilings
- Roof extensions and drylining work
- Bonding and sealing of manhole rings and wall recesses
