Rust Spots On Basement Concrete Walls

You said you haven t had water leakage into the basement for years but the stains are likely caused by salts contained in the soil or masonry dissolving in water and migrating through the concrete.

Rust spots on basement concrete walls.

Spray on and stains disappear. Decorative concrete stains can work with the rust stains you have to create variegated designs that resemble stone. The most common way to remove discoloration caused by water is to use a heated pressure washer or acid rinse. In some cases priming is not required.

When used as directed rust aid is safe around pets and plants. You can re treat the area as needed for stubborn stains. This cheap and easy method for removing rust stains on concrete comes directly from an editor s hands on diy experience. Brown stains leaking out of any chimney photo above right whether masonry or metal may indicate a dangerous condition prompt inspection is needed.

If water has a high iron or mineral content or if the water is carrying leaves or dirt it can leave behind iron or rust colored stains or dark spots on the concrete. Brown stains on a chimney wall may also show up indoors or outside photo above right. Minor rust stains may be dissolved by rust removing chemicals. To clean a concrete patio of regular grime or to eliminate a rust stain pour the acidic product over the rust and allow it to sit for at least 15 minutes to allow the acid to penetrate and dissolve the rust.

We find these stains on concrete block or cinder block chimneys as well and occasionally on stone chimneys. Using a pressure washer rinse the natural rust remover off the concrete and enjoy a rust free patio. When groundwater consistently infiltrates the porous concrete walls through capillary action wall stains and related problems can occur. Use it on rust stained concrete and tools also works on calcium and lime stains.

The white and gray stains shown on the poured concrete basement wall at left are due to water and moisture seeping through the wall at concrete form ties that were not adequately sealed on the wall exterior after initial construction. 1 8 my concrete slab got rust stains on it because the lawn sprinklers were fed from a well that was full of iron. The dos and don ts of waterproofing basement walls troubleshoot the causes and find the solutions to wet basement walls the sooner the better to maintain the integrity of your home.