Applying Sealant: Waterproofing Your Basement

What You'll Need
Hot soapy water
Protective mask
Antifungal cleanser
Latex waterproofing sealant
Garden hose mister

Applying waterproofing sealant to your basement is important to avoid problems moisture problems. These problems can cause property damage and lower the value of you home. Water damage can cause molds and mildew that is why it is important to waterproof such areas of your home. Prior to applying sealant in your home, you should repair holes and cracks first as you do not want to seal damaged walls and floors.

Step 1 - Locate Leaks

Locating leaks in important to know where the damage has begun in our basement. It is easy to spot these leaks because you can see moisture and mold buildup in these areas at the late stages. During early stages of, you may see puddles forming or visible water build up. These leaks are often found on wall and floor joints.

Step 2 - Clean Mold Buildup

Mold appears to be this black and fuzzy growth on walls and other porous materials such as paper, cardboard, wood and carpets. Basements tend to be storage for most people so you have to clean this area prior to sealing. You do not want to seal in mold. Remove anything that has developed mold or items will probably develop mold in the future from under your basement. If your insulation has developed mold, it is best to replace it as mold will continuously replicate if not eliminated. Use soapy hot water or an antifungal cleaner to clean the walls and floors. Use a heavy-duty brush for stubborn mold. Areas that appear to not have mold should also be cleaned as this may have spores developing on them as well. Make sure you are wearing your protecting mask and goggles when you are dealing with mold as they can cause respiratory problems.

Step 3 - Dehumidify Area

After cleaning, dry the area with a cloth and switch on dehumidifier. This will help stop the development of mold. Initiate preventive measures by dehumidifying your basement frequently.

Step 4 - Patch Leaks

One the area has bean cleaned and dehumidified, repair all leaks and seepages. Avoid repainting, as sealant will not stick to paint. It is best to sand areas that have been painted to ensure it has a surface that sealant will adhere to.

Step 5 - Mix Sealant

Latex waterproofing sealants or epoxy is available in your local hardware. Always follow the mixing instructions on containers.

Step 6 - Apply Sealant

Patch your wall surface section by section until you have covered the whole area. Make sure that you take time to push in the sealant into the walls little crevices and corners. Apply more on areas that are prone to leaks and seepages such as areas to you have repair earlier. As soon as the first coat has dried, moisten the area with a fine mister and then let it sit overnight. Apply a second coating but make sure you mist it again prior to second coating.