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-MS03/04-31

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Fire-rated Expanding Foam

Quick Overview

Our Fire Rated foam is a one-part, moisture curing, expanding polyurethane foam.  It is beige in colour, and is B1 Fire Rated for up to 4 hours.
FM410 is a modified one component polyurethane foam suitable for the filling / sealing of joints and gaps requiring fire rated properties. These include the perimeter sealing and fixing of fire resistant windows and doors and the sealing of mechanical and electrical service penetrations through compartment walls and floors.
  • 4 hour fire rating tested to the latest British and European Standards BS en 1366-4 and DIN 4102 Pt 1 (B1)
  • Patented conical straw system increases yield by up to 15% compared to standard PU foam
  • Suitable for filling, sealing and insulation of joints and gaps in a variety of fire rated applications
  • Forms a strong bond to concrete, brickwork, stone, plaster, wood, fibre concrete, metal, PVC and polystyrene
  • Rapid curing formulation: Foam is tack free within 10 minutes, and can be cut or trimmed within 60 minutes

Availability: In stock

Excl. VAT: £8.90 Incl. VAT: £10.68

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Excl. VAT: £8.90 Incl. VAT: £10.68

Details

INSTALLATION INSTRUCTIONS

Preparation

  • Always carry out a test to confirm compatibility prior to use.
  • Protect floor coverings with paper or a plastic film.
  • The surfaces must be dry, solid, stable and capable of carrying the load of the panels to be installed.
  • Remove all loose particles, dust and grease.
  • A speedier cure can be attained by moistening the substrates if needed.

Application (Nozzle Grade)

  • Shake the canister vigorously at least 20 times. Remove the cap and screw the nozzle firmly into the connector on the top of the can.
  • Joints should be underfilled to allow for post expansion of the foam. Fill to approximately 50% of joint depth for optimum results.
  • For best results always work with the canister in a vertical position and keep the valve pointed downwards.
  • When filling deep joints apply in layers, waiting until each layer has skinned and partially cured before applying the next.
  • Applying a light misting of clean water between each layer before subsequent application will assist adhesion and cure speed.
  • Enhanced performance can be achieved by capping with a suitable Intumescent or fire rated sealant. For further information please consult our Technical Sales Department.
Application (Gun Grade)
  • Shake the canister vigorously at least 20 times. Remove the protective cap and screw canister onto the illbruck PU foam gun.
  • Invert can and direct nozzle into gap, pressing gently on the trigger to establish the correct flow rate.
  • Joints should be underfilled to allow for post expansion of the foam. Fill to approximately 80% of joint depth for optimum results.
  • For best results always work with the canister in a vertical position and keep the valve pointed downwards.
  • On horizontal surfaces always work away from the exuding bead and work upwards on all vertical surfaces.
  • When filling deep joints apply in layers, waiting until each layer has skinned and partially cured before applying the next.
  • Applying a light misting of clean water between each layer before subsequent application will assist adhesion and cure speed.
  • Enhanced performance can be achieved by capping with a suitable intumescent or fire rated sealant. For further information please consult our Technical Sales Department.

Cleaning (Nozzle Grade)
Remove excess foam immediately with AA290 PU Foam Cleaner or acetone. ensure surface is solvent resistant before cleaning. Cured foam can only be removed mechanically.

 

Cleaning (Gun Grade)
Clean the gun by removing the foam cansiter and replacing with a can of AA290 PU Solvent Cleaner. Remove excess foam immediately with AA290 or acetone. Ensure surface is solvent resistant before cleaning. Cured foam can only be removed mechanically.

Please Note
Fire Rated Foam is not UV resistant and should be protected from sunlight using a suitable opaque sealant, filler or paint. As with all PU foams, it does not bond to polythene, Teflon®, siliconised or wax-like surfaces.

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