Cleaning Stone Fireplace With Muriatic Acid

It s important to pour the masonry cleaner into the water instead of the other way around to prevent any burns from the acid.

Cleaning stone fireplace with muriatic acid. Dip a second brush into the masonry cleaner mixture then gently apply the brush to the brick. If etching or discoloration occurs discontinue use. Using a pump up sprayer spray a small area no larger than 3 x 3. Masonry projects that use cement products like mortar concrete and grout can be messy muriatic acid is a sure way to clean masonry surfaces this product is a very strong acid that will clean dried cement products off stones bricks and other masonry surfaces.

Dunk a clean soft sponge in the remaining tsp solution then apply it to the entire fireplace surround making sure to wet both the stone and the grout. If you try cleaning off the mortar while it is still wet it just smears on the stones. This will totally neutralize the muriatic acid. Never use muriatic acid on stone or masonry.

These fireplaces also can accumulate soot dust and burn marks. Acid will etch most stone brick masonry surfaces. Fill an eyedropper with the mixture and apply one to two drops to the stone. Muriatic acid is available for purchase at home improvement centers and janitorial supply stores.

Our tutorial on how to clean and prep a stone patio is also super helpful. Rinse the stone with water and you re done. An easy solution is to let the mortar dry and at the end of the project clean the mortar off the wall with muriatic acid. When building a stone wall or other stone projects it is almost impossible to avoid getting mortar on the stones where you don t want it.

You can beautify and brighten a stone fireplace and add some protection to the stone and mortar by cleaning and sealing it. Prepare a diluted solution of your acid based cleaner. Let the solution dwell for five minutes. Removing efflorescence from stone walls takes a bit of effort and this a good method for anyone with stubborn salt deposits.