Premfire B1

Premfire B1 Foam

Premfire B1

PremFire B1 FR Construction Foam is an air humidity curing prepolymerised mixture in an aerosol can.

Ideal for applications in Metal Roofing & Cladding.

Specified by Kingspan and TATA. Recommended by Euroclad and CA Group.

See datasheet for important safety instructions.

Typical Applications

Applications include:

  • Sealing membranes, wall panels, composite panels
  • Installation of fire protection doors
  • Filling holes and gaps
  • Thermal insulation where high requirements for fire resistance are needed

Product Features

  • Good temperature and sound insulator
  • Strong adhesive properties
  • Adheres to most building substrates (except: Teflon, polyethylene and silicone surfaces)
  • Cured foam is sensitive to UV and direct sunlight
  • Cured foam can be painted

Application Conditions

  • Air temperature during application +5°C to +30°C – best results at +20°C
  • Can temperature during application +10°C to +25°C (Can has preferably to be stored for at least 12 hours in room temperature)
  • Surfaces must be free of dust, loose particles and oil before foam is applied
  • Soft foam can be removed with acetone, cured foam only mechanically

Safety Regulations

  • Can contains diphenylmethane 4,4–di-isocyanate
  • Dangerous when inhaled
  • Irritates eyes, skin and respiratory organs
  • Inhalation of gas may cause allergy
  • In case of eye contact rinse thoroughly with water and seek medical help
  • Do not smoke during work!
  • Ensure good ventilation and use protection means when necessary
  • Keep out of reach of children
  • Aerosol can must not be stored at temperatures >+50°C or in direct sun

Storage Conditions

  • Can must be stored and transported in vertical position
  • Store in a cool, dry place
  • Store at temperatures +5°C to +30°C
  • Storage life 12 months
  • Aerosol can must not be stored at temperatures >+50°C or in direct sun

Enquire About Product

    Premfire B1
    Shelf Life12 months
    Tack free time12-16 minutes
    Cutting time (30mm bead)30-40 minutes
    Completely cured in joint (+23°C)max. 18 hours
    Completely cured in joint (+5°C)max. 24 hours
    Density25-30 kg/m³
    Fire class of cured foam*EI20 – EI 180
    Volume decreasemax. 2 %
    Expanding volume2 - 2.5 times
    Flash point of cured foam400°C
    Tensile Strength10 N/cm²
    Compression strength at 10%4 N/cm²
    Thermal conductivity0.03 W/m·K
    Temperature resistance of cured foamlong term: -50°C to +90°C
    short term: -65°C to +130°C

    * Fire resistance tested according to European standard EN 1366–4.
    The values specified were obtained at +23°C and 50% RH, unless otherwise indicated.


    Data Sheet PDFHealth & Safety Sheet