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This will ensure no water is able to penetrate through these openings and damage your building structure in the long term. Make sure to repair any cracks, holes, or other damaged areas on the concrete block wall with an epoxy filler before beginning the waterproofing process. Step 2: Repair Any Cracks or Damaged Areas But be careful not to use too much pressure or you may damage the wall itself. It’s also important to make sure no mold or mildew is present on the wall, as this can become a breeding ground for bacteria and lead to expensive repairs in the future. To clean the wall, use a pressure washer and a stiff brush to scrub away any grime or dirt that has built up over time. This will remove any dirt, dust, and other debris that could interfere with the waterproofing process. Waterproofing these walls is an essential task as it will help protect the integrity of your building structure, especially below ground levels where moisture can seep in frequently.Read on to discover how to waterproof concrete block walls quickly – without blowing your budget! 11 Step-by-step Guidelines on How to Waterproof Concrete Block Walls Step 1: Clean the Wall 10 oz.If you’re looking for a cost-effective solution to water sealing your home, look no further than concrete block walls, which can be easily waterproofed with only minimal effort and materials.
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Remove the blocks and lay a 1/8 inch bed of QUIKWALL on the footing - the QUIKWALL mix should be workable but firm enough to support the weight of the first course. The proper consistency is achieved when the wet QUIKWALL will “hang” on a trowel held at a 90 degree angle. NOTE: each 50 pound bag of QUIKWALL will require about a gallon of water - additional water can be added in small amounts to achieve a workable mix. Stage the first course of block and snap a chalk line on each side of the block wall as a reference line to ensure corners are square and walls are straight.
![concrete block wall concrete block wall](https://www.australianretainingwalls.com.au/wp-content/uploads/2014/08/Diamond-Concrete-Blocks-Reinforced-with-no-fines-concrete-2.jpg)
NOTE: it is important to check local building codes for construction requirements in your area footings should be a minimum of twice the width of the concrete block (for example, an 8”x8”x16” block would require a 16” wide footing) and extend below the frost line to prevent shifting during freeze-thaw cycles. When working with QUIKWALL, rubber gloves and safety glasses should always be worn during mixing and placing procedures.Įnsure a solid footing or base slab for both structural and non-structural walls.