Polycell Trade Polyfilla Expanding Foam

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Key benefits
  • Strong,long lasting,damp resistant seal
  • Expands to 45 times can volume
  • Easy to cut,sand,paint and plaster
  • Will not shrink when cured
Product Features
  • Will not shrink or crack

Product Description

Polycell Polyfilla Expanding Foam Filler is a high-performance, rapid-curing polyurethane foam. It adheres strongly to most surfaces and does not shrink when cured.

Application Description

The foam flow can be regulated accurately by applying different pressure or by tilting the adaptor with the valve pointing downwards. Activate the valve lever carefully and regulate the foam. Fill from the bottom of the repair and work upwards. Apply the foam economically as it will expand 2.5 times once it is extruded. Overfilling the joint will result in a prolonged curing process and insufficient air or surface moisture may cause delayed expansion. Polyfilla Expanding Foam can be cut after 1 hour and painted after 12 hours. The foam should be overpainted or coated if used in sunlight. Always wear protective gloves, clothing and safety glasses when handling. Suitable gloves are Neoprene, Butyl Rubber, PVC and Polyethylene. Shake the can vigorously approximately 20 times to mix contents. Moisten surface (not surfaces in direct contact with live electrical wiring or installations); this is necessary for the foam to expand and cure. The filler can be used at an angle. Hold can away from face and apply light pressure to the nozzle trigger. Vary pressure to control rate of foam. Start filling at the lowest point, if layering foam, spray lightly with water between layers. Shake can from time to time during use. Do not overfill - the foam will expand up to 2.5 times the initial volume extruded. Fresh foam spillage must be removed immediately with Polyurethane cleaner or acetone. Cured foam can only be removed mechanically.

Technical & Safety Documentation

  • PT_GB_EN_POLYFILLA_EXPANDING_FOAM.pdf

Tips & Advice

  • 1. Preparing the Surfaces
    Ensure surfaces are clean and free from grease and loose material. Do not apply in very cold or hot (below +5degrees or above +25degrees) conditions. Ensure good ventilation. Cover furniture, carpets and surrounding areas and mask off any brickwork. If working closely to a boiler or any naked flame, turn off before application.
  • 2. Cleaning
    After use, remove fresh spills immediately with acetone and cured foam can only be removed by mechanical means. If the next use is within 25 minutes the equipment need not be cleaned. If it is longer than that, leave the can for a few minutes then gently placed a moistened match stick in the can nozzle without activating the valve. Clean the wet foam from the applicator nozzle with acetone.