Understanding Concrete Efflorescence How It Contributes To Ugly Foundation Walls
At Permaseal, we all respond to client questions regarding concrete issues every single day. Just about the most frequent, and most puzzling for property owners, is exactly what they ought to do after they find layers of white-colored, flaky deposits on their basement wall surfaces. This powder is very common on concrete types of surface -- especially in cellars and crawl spaces -- and it is called efflorescence.
What Can Cause Efflorescence?
Cement is a permeable material -- and it has been since the day it dried up. For this reason, it will take moisture from the dirt outdoors, slowly releasing some of this moisture into your house. This really is most significant reasons that basements are infamously moist, humid areas.
As this moisture passes through your concrete, it brings a little portion of minerals from the soil outdoors along with it, combined with the lime in the concrete itself. When it evaporates in your basement, it simply leaves these types of minerals behind. Over time, they create the white, flaky powder that you observe on your wall surfaces right now.
Washing Efflorescence from Basement Walls
There are several products on the market today that are especially designed for removing stains from concrete wall surfaces and flooring surfaces. One great way to get rid of efflorescence is to rent a power washer from a local home improvement store and to combine it with these types of chemicals to successfully blast efflorescence off the concrete.
For a less expensive solution, however, you may substitute these custom made chemicals using a solution of bleach. Combined with a power washer, pressure washer, or just by applying with a scrub broom and some hard work, you should be competent to thoroughly clean off most efflorescence problems.
Phosphoric acid could also be used not only to eliminate efflorescence powder but also corrosion, grime, stains, and hard water deposits. Even so, phosphoric acid, as well as other acids, should be used cautiously and with great care.
Protecting Your Basement from Efflorescence
At Permaseal, we suggest protecting your cement floors from efflorescence before an issue arises. However, if you thoroughly clean already damaged cement, protection can be applied afterward.
Our recommended way to protect against efflorescence is by sealing your concrete walls with a concrete sealer. The product works deep in the pores of your cement walls and floors to create a glass-like silicate bond in the cement.
This barrier prevents the movement of moisture through the basement walls and flooring surfaces, protecting your basement from both efflorescence and also the water vapor transmission associated with basement moisture.
Concrete treatments can be applied as a spray, roller, paint brush, and also other ways, and it dries in 2-4 hrs. It's harmless for inside use in addition to outdoor usage, and can protect your basement in several ways.