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EVERBUILD B1 Handheld Fire Foam, A quick-setting, fire-rated, handheld foam, Interior & Exterior, Pink, 750 ml

EVERBUILD B1 Handheld Fire Foam, A quick-setting, fire-rated, handheld 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 gaps around pipes, frames, and electrical chases
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. Store as flammable liquid.Note: Elevated temperatures will reduce shelf life dramatically.
Density N/A

A quick-setting, fire-rated, handheld foam

EVERBUILD® B1 Handheld Fire Foam is a quick-setting one-part polyurethane foam with fire-retardant properties. The foam expands on application to up to 50 times its original volume and meets the test criteria BS476 Part 20; Class B1. Fire rated up to 4 hours in certain joint configurations. Once cured, the foam can be cut, sawn or plastered over after approximately 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 aerosol 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
When used as part of a fire-rated joint, use in conjunction with EVERFLEX® FIREMATE® intumescent sealant for maximum fire rating.  
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 aerosol volume
  • Fills irregular and broad gaps where most conventional fillers would fail
  • Possesses insulating and sound deadening properties
Expansion 40 litres (750ml can) Cell structure Medium fine Elongation at tension 25% (DIN 53430)
Packaging

750ml aerosol
Colour

Pink
Technical Information
Compressive Strength

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

Tensile Strength

8N/cm2 (DIN 53430)

Shear Strength

5N/cm2 (DIN 53427)

Water Absorption

0.3 Vol % (DIN 53433)

Thermal Conductivity

0.04 W/mK (DIN 52612)

Service Temperature

Cured: -40°C to +80°C
Application Information
Ambient Air Temperature

5°C to 30°C (optimum 20°C)
Cutting Time

13-14 mins 20mm bead
Tack Free Time

7-9 minutes