Basement Waterproofing Tips


Every time I thought of remodeling my basement, the terror of moisture, dampness and leakage stopped me to work upon the idea. Well, some research on the basement leakage problem helped me to cope up with this nuisance. There are several basement waterproofing techniques available to get rid of the basement moisture or leakage. Some effective waterproofing techniques are done below ground. These are drainage and sealers. These techniques prevent the penetration of water inside the basement even during the seasonal rainfall. In this way, it prevents the further problems caused by moisture that are mold and decay.

Have some brainy tips!

Do not turn your adorable basement area into Galapagos. Follow these tips.

basement waterproofing tips


  • Polymer based compounds
    these compounds are resistant to soil pH and last for the lifetime of the building. These are very effective in preventing wood-eating insects, decay and wood rot. One example is Mr. Right MWR.

    Always apply those paints and sealers which are waterproof. An example is LAOSHIFU. These products prevent the development of cracks and fissures in your house.


Make use of various waterproofing products available in the market. These products are Hypalon, POLY FLEX, Butyl based membrane, FungiGARD, and other color membranes.


  • Cleanliness possesses full potential to solve most of the problems. Keep cleaning your rain gutters frequently. Leaves and debris can lead to water clogging.

    Position your rain gutter downspout several feet away from the foundation of your house.


Place a splash block beneath the rain gutter downspout to disperse the water away from the foundation. This also prevents soil erosion near your place.


If your place is naturally humid and damp then a dehumidifier with a drain hose attachment can be an asset for your basement.

  • Preferably avoid opening doors and windows of your basement to avoid humidity.
  • Do not forget to do external waterproofing while your house or other building is on construction. It is high time to call professional when above tips do not work.

When you should actually look for basement waterproofing specialist?

  • Smell of musty air.
  • Cracks in the basement walls.
  • Signs of mildew
  • Look for the small stream, puddle or water. This is the sign of basement leakage.
  • Signs of windowsills with rot.
  • General dampness and moisture on basement walls or floors.

When you start noticing the above mentioned problems, it is sure your basement requires waterproofing.

The area which is found to be wet most frequently.
Joint where the floor and wall meet- It is the most common area where you can find moisture very frequently.

General measures which must be taken up by the engineers and architects

Some don’t s while construction:

  1. Improper surface drainage: This includes yard slope which diverts all the water towards your home.
  2. Position of the rain gutter downspout should be checked properly. Leaking rain gutter can be the major cause of basement leakage.
  3. Never build your house too deeply in the ground. This leads to high water table. Due to this your house foundation becomes too near to the surface of the ground.

Video on basement waterproofing installation

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Do not forget to install these techniques while your building is in the construction process.

  • Interior wall and floor sealers

    This is a temporary solution. These sealers are very effective in preventing atmospheric humidity (moisture present in the atmosphere) inside the basement. The absorption of atmospheric humidity into the pores can lead to spalling of the walls. So if you have been concerned about the interior sealants then your wall can easily cope up with the spall problem.
  • Interior water drainage or basement waterproofing solution

    It is B.O.C.A (Building Officials and Code Administrators) recognized drainage system to pump the water from the basement. The do-it-yourself kit makes easy to install the foundation sump pumps. These pumps collect the water and direct it out before it enters the basement.

  • Exterior drainage combined with waterproofing coatings

    It is recommended to those places which receives heavy downpours. This technique avoids entry of the water into the foundation walls. Absorption of water into the foundation walls can lead to wicking and molding problem. It is IBC (International Building Code) recognized. According to IBC it is sufficient to avoid any structural damage due to water intrusion.

    Other measures are:

  • Outside excavation
  • Installation of drain tile
  • Parging your walls

    Basement waterproofing is one of the bare bone of your house. It is far more expensive to repair than to prevent basement leakage. Finally you land-up spending about thousands of dollars if not considered initially. Ensure basement waterproofing through a well qualified engineer and architect at the time of construction to avoid costly damage ahead.

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