How Do I Sandblast My House?

Written by katebo
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How Do I Sandblast My House?
House (house image by Earl Robbins from Fotolia.com)

Sandblasting is a very effective way to remove peeling paint or graffiti from your house. If you just have a little bit of peeling paint, you may be able to rub it off with a wire whisk or just with a pressure washer. But if you have a lot of peeling or writing you wish to remove, sandblasting is the best way to go. A sandblaster uses about 45.4 Kilogram of air pressure along with some water and sand. Combined, the abrasive action can remove the paint.

Skill level:
Moderately Challenging

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Things you need

  • Goggles
  • Mask
  • Long-sleeved shirt
  • Long trousers
  • Gloves
  • Sandblaster
  • Bag of sand
  • Plastic
  • Hose
  • Broom

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Instructions

  1. 1

    Rent a sandblaster from your local equipment supply company. They can advise you about what size sand you will need for your application.

  2. 2

    Put on your safety clothing and equipment--long trousers, long-sleeved shirt, gloves, mask and goggles.

  3. 3

    Cover the sand with plastic to prevent back spray of water from getting into it and bogging it down.

  4. 4

    Connect the water to the pressure washer and turn on the water.

  5. 5

    Release any air in the equipment by triggering the gun.

  6. 6

    Start the pressure washer and trigger the gun to start the spray. By trial and error, find the right distance from your house to hold the gun, then keep that distance steady so as to get even coverage by using a back-and-forth, sweeping motion.

  7. 7

    Sweep up the sand from the ground when you are finished and use a hose to spray away the remainder.

Tips and warnings

  • Always point the nozzle to the ground when not spraying to keep the water from getting into the sand.
  • Consider covering with plastic any nearby plants you wish to protect.
  • Always test your sandblaster on a piece of scrap wood first to see how close or far you need to hold the nozzle. This prevents damage to the surface.
  • Always read the equipment manufacturer's safety instructions and warnings before sandblasting.

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