![]() ![]() ![]() ![]() Suggestions on materials and methods are much appreciated. Of course, the question is bonding the new mortar to the old block – would I need a bonding agent or would regular mortar do the trick? Alternatively, I was thinking I could place small concrete blocks and just skim coat them along with the older block. But again I’d need to make sure it bonded well with the existing slab and the block below. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased. For accurate estimating, use our Cost Calculator for estimates customized to the location, size and options of your project. I would like this new area to bond with the borders of the existing slab – so I imagine a bonding agent is again needed here.Īs for replacing the brick – I was thinking that it might actually be easier to construct a small form and pour the same concrete I’d use for the base section there. In June 2023 the cost to Skim Coating starts at 0.95 - 1.35 per square foot. Use a square finishing trowel held at a 45 degree angle and work from the. I also understand that I’ll need a bonding agent to make sure this adheres to the old block and existing skim coat – recommendations would be appreciated.Īs for this bare area in the slab, I was planning on using the high strength mix which I believe is used in sidewalks. Apply a consistent 1/8 to 1/4 inch coat of QUIKWALL to both sides of the block. I am unsure of materials, though – I’ve seen colored “stucco” mix, but I think I’m looking for something that’s more of a concrete/sand mix. Before I get to that, though, I have some concrete/masonry work to do in preparation, namely: skim coat block previously covered by the steps pour concrete in a bare 3x4 area within the elevated slab (previously covered by the steps) remove the old brick and replace with skim coated block and/or concrete (the brick was part of the old steps and is falling apart and is out of line with the rest of the wall).Īs for the skim coat, I plan on removing any remaining debris or loose material and power washing the block in preparation. Bricks, Masonry, Cinder Block, Paving & Walking Stones, Asphalt and Concrete - What to use for exterior foundation wall skim coat - Hello, My house is on a small hill and the driveway runs up right along the side of the foundation. Tape a 1-foot by 1-foot square of plastic sheeting (plastic kitchen wrap will do) to the concrete wall in your basement with duct tape, and leave it in. I took out old block steps from my back entry and will be replacing them with wood steps and a small deck (see photo). A simple DIY test will help you to find out. ![]()
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