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EVERBUILD B1 Gun Grade Fire Foam, Fire rated polyurethane foam, Interior & Exterior, Pink, 750 ml

EVERBUILD B1 Gun Grade Fire Foam, Fire rated polyurethane foam, Interior & Exterior, Pink, 750 ml

Foams & Fillers
EVERBUILD

Everbuild is a well-established brand under the Sika group, specializing in high-performance sealants, adhesives, fillers, and building chemicals. Known for its reliable and durable products, Everbuild caters to both professional tradespeople and DIY enthusiasts. The product range includes silicone sealants, acrylic fillers, foam sealants, and various specialty construction chemicals designed to meet the demands of modern construction and renovation projects across the UK and beyond.

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General Specifications
Packaging 750 mL
Chemical Base Polyurethane
Usage Fire-rated filler for pipe entries, frames, and structural gaps
Usage Area Interior & Exterior
Color Pink
Application Method Direct from tub
Ambient Air Temperature +5 °C min. / +30 °C max
Storage Conditions Store upright between +20 °C and +25 °C Pressurized container. Protect from sunlight and do not expose to temperatures above +50 °C. Do not pierce or burn the can even after use.  Store as flammable liquid.Note: Elevated temperatures will reduce shelf life dramatically.
Density N/A

fire rated polyurethane foam.

EVERBUILD® B1 Gun Grade Fire Foam is a quick-setting, fire-rated, one-part polyurethane foam. It expands on application to yield up to 50 times the can contents and meets the extremely stringent requirements of the test criteria DIN 4102 Part 1 for Construction Materials; Class B1 and BS 476 Part 20. Fire rated up to 4 hours in certain joint configurations. For use with an Everbuild® Professional Foam Gun; once cured the foam can be cut, sawn or plastered over after only one hour.

  • High degree of fire rating: slows down the passage of flames and smoke.
  • Quick setting - can be cut, sawn or plastered in 1 hour.
  • Economical in use - expands up to 50 times its original can volume.
  • Fills irregular and broad gaps where most conventional fillers would fail.
  • Possesses insulating and sound deadening properties.
Usage
Filling
  • Gaps around pipe entries through fire rated walls
  • To provide a fire-rated seal around window and door frames
  • Electrical wire chasing prior to plastering, where a fire rating is required.
  • Deep joints prior to applying sealant or plaster
  • Irregular gaps in stone, brick, concrete or plaster
Fixing     
  • Door frames #
  • Timber structures
  • Windowsills and thresholds.
  • Window frames
Insulating
  • Behind cladding to exterior walls.
  • Behind soffit and barge boards
 
Advantages
  • High degree of fire rating: slows down the passage of flames and smoke.
  • Quick setting - can be cut, sawn or plastered in 1 hour.
  • Economical in use - expands up to 50 times its original can volume.
  • Fills irregular and broad gaps where most conventional fillers would fail.
  • Possesses insulating and sound deadening properties.
Expansion 35 litres (750 ml can) Cell Structure Medium fine Temp Res Of Cured Bead Long Term: -40 °C to +80 oC
Packaging

750 ml tin
Colour

Pink
Technical Information
Compressive Strength

4 N/cm2 (DIN 53421) at 10 % stress.

Tensile Strength

8 N/cm² (DIN 53430)

Shear Strength

5 N/cm2 (DIN 53427)

Dimensional Stability

Full Load Bearing Stability - App, 12 hours (20 mm bead)

Water Absorption

0.3 Vol % (DIN 53433)

Thermal Conductivity

0.04 W/mK (DIN 52612)
Application Information
Ambient Air Temperature

+5 °C to +30 °C. (Optimum +20 °C)
Cutting Time

13-14 mins 20 mm bead.
Tack Free Time

7-9 minutes