![]() ![]() Suggestions on materials and methods are much appreciated. White Portland cement stucco over concrete block walls.Below are all the basic tools we use and recommend on Amazon's website. 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. It’s an easy way to create flat and uniform surfaces on. Then it’s smoothed out by using a drywall knife or trowel. Keep the cement moist with a spray bottle as you use a smoothing paddle to smooth out any uneven spots. Skim coating is a great way to make ugly walls and ceilings new again A skim coat, also known as a level-five drywall finish, is a thin coat of diluted joint compound that can be applied by hand, paint roller or spray rig. Remove excess cement with the edge of the trowel, using a scraping motion. 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. Apply 1/8 to 1/2 inch of cement, or enough to cover the grout. ![]() 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. I took out old block steps from my back entry and will be replacing them with wood steps and a small deck (see photo). ![]()
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