Everbuild Sika Fire Foam B1 Hand Grade, 750ml Aerosol
High-performance fire-retardant foam, expands 50x. Complies with DIN 4102 & BS476. Ideal for sealing and fireproofing.
The Everbuild Sika Fire Foam B1 Hand Grade is a one-part polyurethane foam with exceptional fire retardant properties. It sets quickly and expands up to 50 times its original volume, making it an efficient solution for fireproofing applications. This foam meets the stringent requirements of DIN 4102 Part 1 (Class B) and BS476 Part 20 (1987), achieving fire ratings from 30 minutes up to 3.5 hours.
Once cured, the foam can be easily cut, sawn, or plastered over within just one hour. Unlike standard B3-grade foams, it significantly slows down the spread of flames and smoke, enhancing fire safety.
Key Applications
- Sealing gaps around pipe entries in fire-rated walls
- Fire-rated seals for window and door frames
- Electrical wire chasing prior to plastering in fire-rated environments
- Filling deep joints before applying sealant or plaster
- Sealing irregular gaps in brick, stone, concrete, or plaster
Installation & Fixing Uses
- Securing door frames, timber structures, and window sills
- Window and threshold frame installations
Insulation Applications
- Behind cladding on exterior walls
- Under sofit and barge boards
- In automotive insulation projects
Features
- High fire resistance (B1 Class)
- Rapid setting—workable in just one hour
- Expands up to 50x for efficient coverage
- Gun-operated application for precision
With its 750ml aerosol format, this fire foam provides versatile, high-performance protection in construction and renovation projects.
- +25
- Fire-rated sealing around pipes
- Window and door frame insulation
- Electrical chasing in fire-rated walls
- Gap filling before plastering/sealing
- Material: Polyurethane foam (B1 fire-retardant)
- Volume: 750ml aerosol
- Expansion Ratio: Up to 50x original volume
- Fire Rating Compliance: DIN 4102 Part 1 (Class B), BS476 Part 20 (1987)
- Fire Resistance Duration: 30 minutes to 3.5 hours
- Cure Time: 1 hour (cuttable/sawable/plasterable)
- Packaging: Aerosol with gun-operated system
- Weight: 874g
Hazard information
P102
Keep out of reach of children.
H229
Pressurised container: May burst if heated.
H319
Causes serious eye irritation.
P251
Do not pierce or burn, even after use.
P260
Do not breathe dust/fume/gas/mist/vapours/ spray.
P210
Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P271
Use only outdoors or in a well-ventilated area.
P410 + P412
Protect from sunlight. Do no expose to temperatures exceeding 50 o C/ 122 o F.
P501
Dispose of contents/container to …
H222
Extremely flammable aerosol.
P211
Do not spray on an open flame or other ignition source.
H315
Causes skin irritation.
H335
May cause respiratory irritation.
P280
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/…
P405
Store locked up.
GHS02
Flammable
GHS07
Health hazard/Hazardous to the ozone layer
P101
If medical advice is needed, have product container or label at hand.
H317
May cause an allergic skin reaction.
H412
Harmful to aquatic life with long lasting effects.
GHS08
Serious health hazard
H373
May cause damage to organs <or state all organs affected, if known> through prolonged or repeated exposure <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
P308 + P313
IF exposed or concerned: Get medical advice/ attention.
H334
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H351
Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
P304 + P340 + P312
IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
H362
May cause harm to breast-fed children.
P263
Avoid contact during pregnancy and while nursing.
Documents
Always follow local regulations and product guidance. Use appropriate PPE.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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