How to Waterproof Masonry Walls
Water can damage a masonry wall's sturdiness, so it is important to take steps to add protection before that happens. Making a masonry wall waterproof is not difficult, and will save you countless time, frustration and expense by keeping water out in the first place. Does this Spark an idea?
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Things You'll Need
- Wire brush
- Mauriac acid
- Rubber gloves
- Long-sleeved shirt
- Eye protection
- Fast-setting hydraulic cement
- Stiff bristle brush or roller
- Masonry waterproofing paint
Instructions
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1
Prepare the surface by removing any paint chips, loose cement and salt deposits (you can spot salt deposits because they look white and powdery). Use a wire brush to remove the salt deposits.
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2
Clean the area with Mauriac acid. Wear rubber gloves, a long-sleeved shirt and eye protection when you apply the acid.
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3
Use a fast-setting hydraulic cement to patch holes and cracks in the masonry.
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4
Apply the first coat of masonry waterproofing paint to the wall and joint, using a stiff bristle brush or roller. Thoroughly work the paint into the joints.
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5
Apply a second coat of masonry water proofing paint, then clean up the work area.
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