Brick Stains – Efflorescence (White Powder)
- October 28, 2017
- Posted by: marlenedubois
- Category: Home Health Aide Training
If you own a brick home in addition to have a white powdery substance on some of your brick, block or stone then you have what is usually called from the trade, efflorescence.
is usually the item a problem? Well the item can be. is usually the item serious? Well the item can be although not usually. Can I fix the cause of This particular problem? Yes you can although first let’s try to define what This particular substance is usually in addition to then offer some solutions on how to prevent its’ occurrence.
Efflorescence is usually a white power which when visible on the surface of brick, block or stone masonry is usually an indication of excessive water within the masonry structure.
the item often occurs when flashing, cap stones, rowlocks, chimney crowns, etc. leak allowing rain water to enter the masonry wall system. Once the water is usually inside the wall the item will dissolve soluble salts within the individual masonry units in addition to the mortar.
As the water migrates to the outside surface of the masonry wall by wicking action the item carries these soluble salts with the item in addition to then deposits them on the surface of the masonry during evaporation. This particular is usually a sure sign of excessive water infiltration into the masonry in addition to if not taken care of, can lead to costly damage with premature deterioration.
Solution: As with any water problem you must stop the water coming from entering the wall system at the source. Flashing joints must be checked periodically as well as mortar joints on cap stones in addition to rowlocks in addition to 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 item is usually 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 item may take more than one scrubbing in addition to application. Be certain to flush liberally anything which has come in contact with the acid to assure which the item 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 in addition to ask for advice on what should be done next.