Ultimately, efflorescence itself isn't dangerous. However, it can lead to potential moisture problems that can cause structural damage to building materials. That means if you find efflorescence in the basement or on concrete and other structures, it's important to take action.

Do I need to remove efflorescence?

Surface efflorescence on brickwork is unsightly but easily remedied. There are three ways to remove efflorescence from brick, block, concrete, or pavers. The best time for removing efflorescence is when the weather is warm and dry. On some smooth surfaces, you may be able to use a stiff brush.

Does efflorescence go away on its own?

In many cases, efflorescence will disappear on its own over time (usually after the first year of a paver or retaining wall installation). Efflorescence can also be removed with special cleaners like the Gator Efflorescence Cleaner. On average, you should wait about 60 days before applying an efflorescence cleaner.

How long does efflorescence last for?

Efflorescence can come and go over a period of a few weeks but can take many months in some cases. Local conditions and climate play a part; damp shaded areas tend to be more prone to efflorescence than drier sunnier areas and efflorescence can be more pronounced during springtime following a wet winter.

How much does it cost to fix efflorescence?

A handyman or house cleaning service will charge $143 to remove efflorescence from a 150-square-foot area, which includes the labor and material. You can remove the substance for $20, the cost of a clear water sealer, and save 86 percent.

Efflorescence Tips and Tricks

Is BDry a good company?

BDry is a great company if you live in one of the 24 states it services. The company has a good reputation and has created waterproofing technology. BDry offers a lifetime warranty, which customers will appreciate as well.

How much should Parging cost?

Basic parging is quick and easy and should cost $3-$4 per sqft. Adding mesh as well we're maybe talking $5-$7 per sqft.

Is efflorescence harmful to breathe?

Unlike mold, efflorescence isn't normally harmful to human health, but it can cause mild irritation if inhaled or if it comes in contact with the eyes. Even so, efflorescence doesn't usually float freely in the air as dust. Pressurized water can dissolve efflorescence and clean away the mineral deposits.

Is efflorescence harmful to humans?

Is Efflorescence Harmful? It is common for people to confuse mold with efflorescence. Efflorescence itself isn't dangerous or harmful. It can lead to potential moisture problems that can cause structural damage to building materials.

How do you clean a bradstone wall?

Bradstone porcelain paving can easily be cleaned by applying an acid based cleaner diluted to the manufacturer's instructions. In fact, we strongly recommend the finished laid area be thoroughly cleaned/washed down which helps remove general building dirt, grout residue and any grease deposits that may be present.

How do you stop efflorescence from coming back?

Simply sealing concrete from water penetration (using a penetrating sealer) will help prevent efflorescence. V-SEAL creates an incredible water barrier for brick, mortar, and all forms of concrete. To help prevent efflorescence, V-SEAL should be sprayed anywhere brick, mortar or cement will be exposed to water.

Is efflorescence a structural problem?

Ultimately, efflorescence itself isn't dangerous. However, it can lead to potential moisture problems that can cause structural damage to building materials. That means if you find efflorescence in the basement or on concrete and other structures, it's important to take action.

Why is my cement turning white?

Why is my concrete turning white? Efflorescence is a white salty residue caused when too much moisture is moving through the concrete. As the concrete dries and its moisture rises upwards through the slab, it brings salts within the concrete to the surface as well.

Can efflorescence grow on drywall?

The black substance near the bottom of the wall is likely mold growth. ... If this is a furred out wall (i.e. wood framing and sheetrock), then it's not efflorescence. Spray a small amount of water on the substance. If it completely dissolves, it's efflorescence.

Does vinegar remove efflorescence?

Vinegar and water solution—Efflorescence can be removed by using a dilute solution of household white vinegar and water. A vinegar and water solution is relatively inexpensive, non-toxic, and easy to obtain, mix and apply. ... For most cases of efflorescence a 25% solution works well.

Can you paint over efflorescence?

Any efflorescence on the surface must be removed prior to painting as it is regarded as a poor and friable base that prevents paints and coating systems from adhering effectively.

Can efflorescence make you sick?

White mold is a living organism (fungus) while efflorescence is simply salt deposits. Efflorescence is not harmful. It won't make you sick, but white mold will. White mold gives off a distinctive odour while efflorescence not.

Can white mold make you sick?

Is White Mold Dangerous? All types of mold, including white mold, can cause health problems. ... The symptoms induced by white mold include allergic reactions, respiratory infections, eye irritations, dizziness, nausea, headaches, and even depression.

How do you treat efflorescence?

In general, an ideal way to treat efflorescence is to scrape the area thoroughly or scrub it with a brush. Once clean, an epoxy based coating such as Dr. Fixit Dampguard will ensure that the inside of the wall, as well as the outside, is protected from dampness, and a repeat occurrence of efflorescence is kept at bay.

Can efflorescence be pink?

Efflorescence is almost always white, yellow or brown, while mold can be any color imaginable. If the substance in question is purple, pink or black, it is not efflorescence.

Is it white mold or efflorescence?

Mold can grow on just about any surface, whereas efflorescence doesn't spread and forms on cement or brick. Mold is a fungus, efflorescence is moisture that evaporates into salt deposits. ... Efflorescence is white, yellow or brown, while mold can be any color.

What is white fuzzy mold on concrete?

The white, fluffy substance is efflorescence and the black spotting on the wall is mold growth. Efflorescence occurs when moisture moves through the concrete and deposits minerals/salts on the surface.

Is parging just cosmetic?

The Building Code only requires parging (a cement-based layer) on concrete block foundation walls below grade. Brush coating, however, is only a cosmetic application over poured concrete foundation walls and is covered by item 1.15 “Brush coating on above grade poured concrete foundation wall is falling off”.

What can I use instead of parging?

You can use acrylic stucco as a viable option for parging over concrete foundation walls. However, not all concrete foundation walls can effectively be parged using acrylic stucco. This kind of parging system comprises the last three layers Exterior Insulation and Finish Systems, commonly referred to as EIFS.

How long should parging last?

Parging mix must be fully cured (approximately 28 days) and dry before painting. Refer to paint manufacturer directions for application instructions.