Brick Stains – Efflorescence (White Powder)
- October 22, 2017
- Posted by: marlenedubois
- Category: Home Health Aide Training
If you own a brick home as well as also have a white powdery substance on some of your brick, block or stone then you have what can be called within the trade, efflorescence.
can be the idea a problem? Well the idea can be. can be the idea serious? Well the idea can be nevertheless not usually. Can I fix the cause of This specific problem? Yes you can nevertheless first let’s try to define what This specific substance can be as well as also then offer some solutions on how to prevent its’ occurrence.
Efflorescence can be a white power which when visible on the surface of brick, block or stone masonry can be an indication of excessive water within the masonry structure.
the idea often occurs when flashing, cap stones, rowlocks, chimney crowns, etc. leak allowing rain water to enter the masonry wall system. Once the water can be inside the wall the idea will dissolve soluble salts within the individual masonry units as well as also the mortar.
As the water migrates to the outside surface of the masonry wall by wicking action the idea carries these soluble salts with the idea as well as also then deposits them on the surface of the masonry during evaporation. This specific can be a sure sign of excessive water infiltration into the masonry as well as also if not taken care of, can lead to costly damage with premature deterioration.
Solution: As with any water problem you must stop the water by entering the wall system at the source. Flashing joints must be checked periodically as well as mortar joints on cap stones as well as also rowlocks as well as also cracks repaired on chimney crowns. Once the leak has been repaired, wait for a few weeks of high pressure weather to arrive which will dry out the wall system.
Many times rain or a simple hosing will wash the efflorescence off, if the idea can be minor. Usually though, further steps are needed to remove the stain completely. You may remove the efflorescence by using a stiff brush to scrub the masonry surface while applying a mild diluted acid such as muriatic acid. the idea may take more than one scrubbing as well as also application. Be certain to flush liberally anything which has come in contact with the acid to assure which the idea has been sufficiently diluted including the roof, masonry, siding or ground.
If your effort was not effective then there may be different issues which need to be addressed by a professional masonry repair expert. Contact your local repair expert, explain the steps you have taken as well as also ask for advice on what should be done next.