FireStop Foam
A single component filler foam with effective fire resistance
Applications
- Construction joints in walls and floors
- Insulating and sealing doors and windows: non-fire rated application
- Backfilling material only for service penetrations
- Filling general voids and cavities: nonfire rated application
Advantages
- High foam yield
- No post shrinkage or expansion
- CFC free propellant
- Effective seal against smoke
- Rendered, cut, painted or sanded
- High bond strength
- Good adhesion to most building materials
- Excellant acoustic and thermal properties
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Building materials
Concrete
Masonry
Steel as backing material
Timber as backing material
How it works
Functioning

FireStop Foam is a single component,
self expanding polyurethane foam, which
has been designed to be self curing
via the absorption of moisture from the
atmosphere
The foam has excellent adhesion properties and can adhere to most building
materials. When the foam sets it cures to
a semi-rigid structure, which accommodates low movement and vibration.

TECHNICAL DATA
Item no. | Ap- pro- val ETA | Contents [ml] | Sales unit [pcs] | |
Item | ||||
FireStop Foam Hand | 042757 | ● | 750 | 1 |
FireStop Foam Gun | 043712 | ● | 750 | 1 |
TECHNICAL DATA
Base material | Polyurethane |
Consistency | stabile foam |
Curing system | Moisture-cure |
Yield | 1,000 ml yields 35 – 40 l cured foam when extruded in beads |
Specific grafity | extruded, fully cured approx. 27 kg/m³ |
Skin-forming time | 10 min (at 23 °C and 65% relative humidity) |
Drying time | Non tacky after approx. 8 min |
Shrinkage | No |
Storage temperature | + 5 °C to + 25 °C |
Shelf life | up to 12 months when stored in unopened cartridges under cool, dry conditions month |
Construction material class | B1 as per DIN 4102 |
STC rating | 56 dB |
Colour | red |
European Technical Assessment | ETA-20/0770 |