How to Apply Fill & Fix Expanding Foam

Written by tom becker
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How to Apply Fill & Fix Expanding Foam
Fill & Fix Expanding Foam can help fill cracks in different materials. (red brick wall with large crack image by Jorge Moro from Fotolia.com)

Fill & Fix Expanding Foam is designed for filling and insulated spaces of unusual or small size. This includes pipe and cable entries in walls, cracks of all kinds, door linings and joints. Correct application is crucial, as the foam will expand after application and can actually damage the sourrounding materials if applied improperly. Whatever the application you are using it for, Fill & Fix Expanding Foam can be applied correctly.

Skill level:
Easy

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Things you need

  • Fill & Fix Expanding Foam
  • Water
  • Clean cloth

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Instructions

  1. 1

    Examine the area to be filled with Fill & Fix Expanding Foam. Determine the exact width you would like the foam to fill, how long the area to be filled is, and how much the expanded foam will be visible before spraying.

  2. 2

    Clean the area to be filled with a damp, clean cloth, removing any excess dust and debris. Water helps the Fill & Fix Expanding Foam to adhere to the materials, so begin spraying the foam while the area is still wet.

  3. 3

    Shake the Fill & Fix Expanding Foam cannister approximately 15 times, remove the cap and attach the adaptor to the spray valve.

  4. 4

    Point the adaptor at the beginning of the area to be filled and depress the valve lever to release the foam.

  5. 5

    Move the cannister adaptor along the surface to be filled while applying pressure to the valve lever. The more pressure applied to the valve lever, the more foam will be released. Tilting the adaptor downwards can also increase the amount of foam released. The foam will expand to approximately 1 1/2 to 2 times the size it was when initially applied, therefore you should apply approximately half the amount of foam needed to fill the space. The foam should be firm enough to cut and shape with a utility knife in approximately 20 minutes and fully dried and load-bearing in approximately 12 hours.

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