Everbuild Expanding Fire Foam B2 Gun Grade 750ml

B2 Gun
Short Description:

Everbuild B2 Gun Grade Fire Foam is a quick-setting one-part polyurethane foam with fire resistance properties. The foam expands on application 1.5 - 2 times its original volume. Once cured, the foam can be cut, sawn or plastered over after only one hour providing the working temperatures (can and surfaces) are between +5°C to +25°C, ideally 20°C.

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Everbuild Expanding Fire Foam B2 Gun Grade 750ml Features: 

UK Wide Delivery | SIIS Ltd


Firefoam B2 Gungrade is a quick setting fire rated, one-part polyurethane foam designed for application by any standard foam applicator gun. 

  • High degree of fire rating: slows down the passage of flames and smoke in comparison to standard B3 grades
  • Fire resistant for up to 2 hours in certain joint configurations
  • Quick setting – can be cut, sawn or plastered in 1 hour
  • Expands up to 50 times original can volume
  • Possesses insulating and sound deadening properties
  • Meets the requirements of the test criteria for BS476 Part 20
  • When used as part of a fire-rated joint, use in conjunction with Everbuild Firemate intumescent sealant for maximum fire rating

Everbuild Expanding Fire Foam B2 Gun Grade 750ml Specifications: 

Chemical Base Polyurethane
Packaging 750ml pressurized cannister
Colour Pink
Shelf Life 12 months in original containers at stated storage temperatures.
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.
Compressive Strength 4N/cm2 (DIN 53421) at 10% stress.
Tensile Strength 7N/cm2 (DIN 53430)
Shear Strength 5N/cm2 (DIN 53427)
Service Temperature Long Term -40°C to +80°C
Ambient Air Temperature 5°C - 30°C (optimum 20°C)
Curing Time App, 12 hours (20mm bead)
Cutting Time 20 mins to 1 hour depending on bead dimensions
Tack Free Time Approx. 8 minutes