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fischer one-component gun foam PUBS 750 B2

The gun foam with proven resistance to water pressure.

Art.-No. 513763
Top Features
  • Building material class B2.
  • Foam yield of extruded foam 45 l.
  • General building authority test certificate.
  • Tested for watertightness up to 0.5 bar.

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Product Description

fischer fountain foam PU BS 750 for quick filling of joints between hinged manhole rings as well as sealing and binding well shafts, manhole shafts, and filling in wall penetrations. Colour: beige. General building authority test certificate High yield of extruded foam of up to 45 l. External testing of watertightness when used in connection with hinged manhole rings fulfils the requirements for a fountain foam.
  • External testing of watertightness when used in connection with hinged manhole rings fulfils the requirements for a well foam.
  • The special foam is ready and easy to use, and replaces the time- and work-intensive application of mortar.
  • The high resistance to dilute chemicals and mineral oil, the resistance to acids and bacteria found in soil, and the resistance to rot all guarantee a lasting function.
  • The easy dosage allows for a con-trolled filling and sealing, and ensures that the correct amount is used.
  • The new non-sticking safety valve guarantees long-lasting functionality.

Application and Permission

  • To quickly fill joints between hinged manhole rings
  • To seal and bind well shafts, manhole shafts, domestic sewage treatment plants and cisterns
  • To insulate and fill wall penetrations, cavities, wall connections and finished elements
Building materials
Bonds to all standard building materials such as:
  • Concrete
  • Anodised layer
  • Fibre cement
  • Gypsum plasterboard
  • Wood
  • Sand-lime brick
  • Plastics (not on PE, PP, Teflon, silicone)
  • Masonry
  • Metals with priming coat
  • Plaster
  • Stone
* You can find detailed information on building materials in the registration document.
For Details see corresponding Documents

Assembly Instruction

  • 1-component PU foam
  • Building material class B2
  • Processing temperature environment: +10 °C to +30 °C (can temperature: +5 °C to +30 °C)
  • Non-tacky within approx. 15 minutes
  • Bind manholes together before skin formation.
  • Do not cut or spread foam coming from the hinge.
  • Hardened after approx. 24 hours
  • Temperature resistant from -40 °C to +90 °C
  • Layer thicknesses > 50 mm foam in several layers  and then dampen.
  • Fresh foam stains can be removed immediately with fischer PU cleaner.

Technical Data

Technical Data

Content per can 750 [ml]
Max. foam yield (free foaming) 45 [l]
Colour beige
Amount 1 Unit(s)
GTIN (EAN Code) 4048962130492

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