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Fire-resistant foam

Insulating one-component fire-retardant PU foam
PU Foam

Art.-no.: 0892152501

Prices for customers after login

Fire-resistant foam

Art.-no.: 0892152501

Prices for customers after login


Exclusively for trade customers

Register now and access more than 15,000 products

Single-component insulating fire-resistant polyurethane foam
  • Foam available in a hand-held or applicator aerosol

  • Expands with air humidity

  • Specially designed for building joints that must be fire resistant

  • Smoke and gas-tight

  • Excellent adhesion on concrete, aerated concrete, masonry, stone, plaster, wood, fibre cement, metal and many plastics such as polystyrene, polyurethane foam, polyester, PVC and most other substrates found in construction

  • Very good sound and heat insulation

  • High expulsion speed

  • Excellent dimensional stability

  • Quick to fully harden

  • Resistant to mould, heat, water and many chemicals

  • Plaster finish possible

  • Can be painted once hard

  • CFC and HCFC-free

  • Does not adhere to PTFE, PE or PP

  • Not UV-resistant

  • Tensile strength: 3 N/cm²

  • Bending strength: 7 N/cm²

  • Shearing strength: 15 N/cm²
Proof of Performance

Complies with fire-resistance per the report conducted by Efectis

Test report no. 10 - A - 604

Hazardous. Observe precautions for use

Not suitable for caulking electrical cables

Product information

Wuerth Catalogue(X)


Safety data sheet 1


Application area

Suitable for fire-resistant sealing of joints, connections and gaps in partition walls in ceilings, dividing walls, floors, and spaces between window/door frames and walls*, also suitable for fixing window and door frames*, prefabricated components, floors. EFECTIS tests have been conducted on a concrete/concrete static seal. On all construction sites monitored by a control office, the use of this product in the application envisaged must be approved in advance. *Excluding EFECTIS classification report


Ensure surfaces are clean and free from dust, oil and grease. Protect surfaces and nearby work areas. For optimum application, moisten the surface thoroughly before applying. Repeat between each layer. Shake the can vigorously for 30 seconds before use. Screw the can onto a suitable applicator gun, but without forcing it. Partially fill the cavity with foam, holding the can upside down. The foam will expand 2 to 3 times once released. After use, immediately clean the gun and any fresh splashes of foam with PURlogic Clean cleaning agent or a suitable solvent. Hardened foam can only be cut away


880 ml



Yield (volume) approx.

45 l

Can be cut after

45 min

Min. processing temperature

5 °C

Max. processing temperature

30 °C

Min. ambient processing temperature

5 °C

Conditions to maintain shelf life from production

at 10°C to 25°C

Shelf life from production

12 Month