2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Automotive oil, paint, rust… can all leave nasty stains on a concrete garden path or patio floor. How to get rid of such a nuisance? There are several surefire ways
Concrete stains can be caused by oil, paint, rust, various chemicals, cleaning agents and other substances. How successful it will be to get rid of stains depends largely on what origin they are and how long ago they appeared. Let's take a look at the most common causes of stains and effective ways to remove them.
Oil stains
If the entrance to the dacha or the floor in the garage is made of concrete, then oil stains often remain on it. The sooner they are removed, the easier it is to do this. They are inherently safe for concrete, though. If the stain is small, does not cause any particular inconvenience and does not interfere with the aesthetics of the garden landscape, then you can forget about it. However, if the stain is very noticeable, then you need to try to get rid of it. There are several methods.
Absorb stain
First of all, to remove the oil stain, it must be thoroughly dried. An easy way to do this is to sprinkle sawdust, cat litter, deicing agents on the stain, put paper towels in several layers, etc. bricks) so that the oil is quickly absorbed. After that, it remains only to sweep the funds from the concrete. But this can only dry out the stain, not remove it. Some people try to use baking soda to absorb the oil from the concrete, but this is unlikely to help because the consistency is too weak to absorb heavy oil.
Degrease the stain
In the construction markets, you can now find various means for degreasing concrete stains. When using them, you need to strictly follow the instructions and, for efficiency, spread them using brushes made of metal or hard plastic. It is important to wear protective gloves when doing this to avoid damaging your skin.
Large, age-old stains can be removed with hydrochloric acid. However, this is not a good solution for some types of concrete (for example, stamped concrete) or painted surfaces, since the acid is very corrosive. You need to be especially careful with her.
Paint spots
Another very common stain on concrete is paint residue. Often these (for example, fresh water-based paints) can be removed with a sponge, soap and a strong water jet from a hose.
However, when the paint has time to dry in the sun, extra effort is required to remove it. In such cases, paint thinners, mineral spirits and other chemicals that can remove the paint stain will help.
Rust stains
They are also not uncommon on concrete paths. Rust can remain from various metal objects that have been on concrete for a long time. Vinegar (apple cider or table 9%), baking soda, oxalic acid cleaners, and trisodium phosphate solution (1/2 cup to two liters of hot water) can help with this kind of stains. One of the listed products should be applied to the stain (for 15-20 minutes) and cleaned with a metal brush. If the stain is small, lemon juice can also be effective. It is good to use various means for removing rust on metal.
Difficult earthen patches
Sometimes the remnants of the earth are eaten into the concrete or cement bed and it is difficult to wash out in the usual way. To get rid of them, you need to thoroughly moisten the surface of the concrete and sprinkle any powdered household cleaning agent (Komet, Pemolux, Domestosa, etc.) on the earthen spots. If necessary, you can rub the stain with a metal brush, and rinse off the remains with plenty of water.
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