What You Should Know About Waterproofing Paint for Basement Walls

Ashwini Kulkarni Sule Dec 11, 2018
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Waterproofing paint is a great way of protecting your basement from mildew and mold, as well as from water damage. Here are some tips on choosing and applying the same.
You might have to waterproof walls in case you live in a heavy rainfall area or in an old house.
This area is often a home for mold, fungus, mildew, and any organisms that thrive in damp and shady places. In the regions of high precipitation, basement flooding becomes a serious issue. Proximity to water bodies also increases the chances of the same.
In such cases, you may need periodic maintenance of exterior drainage components. Although, a waterproofing paint does not prevent the flooding, it certainly protects it from all kinds of infestations. Moreover, it also renders an aesthetic appeal to the same.

Choosing the Paint

The choice would primarily depend upon the current state of your basement and the environmental conditions in your area. You should preferably seek an expert's advice regarding this choice. Most contractors would do that free for you.
You should take the pictures of your basement along with you, so as to enable him to study its condition. The product should have an anti-mold formula to inhibit the growth of mold and mildew. Oil-based paints with resins are good for these walls due to their moisture-repellent properties.
An interior oil-based or latex paint is the best option. Since, they are available in an array of colors, you should not have any problem matching it to the rest of the d├ęcor of your home.

Applying the Paint

It is similar to applying any other paint. You first need to prepare the surface for painting. However, before that, inspect the area for any exterior drainage problems.
If you find any, get it fixed from a professional plumber only. You don't want the task to get ruined by seepage of water. Scrape off any old paint and get rid of any stains or marks on the walls. Apply a bleach solution or any basement mold removal product to get rid of mold and mildew.
Seal the cracks with polyurethane filler foam. Make the surface smooth by polishing it with a wired brush. Get rid of any moisture left with fans and dehumidifiers.
If it is damp, the paint will not retain properly. Hence, allow proper ventilation inside the area. You may need more than one device, if you have a considerably large area. These can be obtained from equipment rental shops. Continue the rest of the task in the usual painting method. Use rollers for wider areas while brushes to reach the narrow areas.
Applying 3 coats would seal the wall and make it waterproof. Keep dehumidifiers and fans on, until it dries up. Do not move in any furniture until you get rid of paint stains and clear up the floor. The area should be thoroughly dried before you use it.
Compromising on quality of paint may result in ruining of the walls. Moreover, the growth of mold and mildew may invite a plethora of health troubles.
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