Intumescent Acoustic Mastic FiAM US
General purpose fire resistant sealant designed for UL specific applications
Applications
- Linear joints: flexible and rigid construction elements with dynamic movement
- Metallic pipes and ducts
- Insulated metallic pipes
- Cable and cable bunches
- Cable trays
Advantages
- Water based
- Excellent acoustic properties ·
- Low VOC
- Halogen and solvent free
- Various applications with two products only
- Age resistant
- Smoke resistant
- Excellent adhesion
- F-rating up to 3 hrs
- T-rating up to 3 hrs
Get a Quote
Need more help?
8856000000
Building materials
How it works
Functioning

The FiAM US is a one-part water based fire resistant sealant designed for a wide range of UL listed applications
The FiAM US can be used in construction joint and service penetration applications.
The FiAM US can be used in both vertical and horizontal orientation and can be used in conjunction with the FiWS for a wide range of combustible services.

TECHNICAL DATA
Item no. | Languages on the cartridge | Contents
[ml] | Adapted for | Sales unit
[pcs] | ||
Item | ||||||
FiAM US | 546487 | DE, EN, ES, TR | 310 | – | 1 | |
FiAM US 19 liter bucket | 554934 | – | – | – | 1 | |
KPM 2 Plus | 053117 | – | – | FiAM 310, FFRS 310, UFS 310, FiGM 310 | 1 |
TECHNICAL DATA
Base material | Water-based elastomeric |
Skin-forming time | approx. 20 – 30 min |
Curing rate | 3 to 4 weeks at 25 °C |
Storage temperature | + 2 °C to + 49 °C |
Movement capability | up to 33 % |
Shelf life | up to 36 month |
pH Value | 7 – 8 |
Accoustic performance | 65 dB |
Surface burning characteristics | Flame spread: 10 – Smoke: 10 |
Colour | red |


Application data
Joint width A [mm] | Joint depth B [mm] | ml per linear metres* |
1“ (25 mm) | 5/8“ (16 mm) | 400 |
1“ (25 mm) | 1/2“ (13 mm) | 325 |
2“ (50 mm) | 1/4“ (6 mm) | 300 |
3-1/2“ (90 mm) | 1/4“ (6 mm) | 540 |
3/4“ (20 mm) | 5/8“ (16 mm) | 320 |
*The consumption of the product depends on the application.