Basement Waterproofing - Items & Purposes

Basement waterproofing materials can vary significantly in their forms and their uses. Some will be available to the public and some may only be available to the trade. Let’s take a look at what is around and how you can apply it to your home situation.

The area in which you live is going to affect the amount of water around you. So take that into consideration as this will also influence the type of materials you can use.

The first type of basement waterproofing materials that most people seem to be looking for are simple sealants. In other words, they have a basement that has already had some form of waterproofing applied to it and are looking to patch small damp areas up. There are top-end sealants such as RadonSeal which will treat poured concrete, mortar in block walls or stone foundations and concrete or cinder blocks.

If the whole basement including the walls and floor are not treated completely with sealant the water is likely to come back in. As it comes with a limited 20-year guarantee, this product is a practical option. The only issue to be aware of here is that the sealant, (all sealants, not just this particular one)basement waterproofing sealants only protect the inside of the basement. In other words, there could be lots of water pressing against and through whatever materials your cellar walls are made of.

You may have to think of other alternatives if you have breaks in the wall. If your walls are plaster, then you can simply replace the plaster coating. All you need to do is chip away any loose material from around the crack and then fill the area back up with plaster.

One other option which is available is to use a stitching material. These metal staples are stapled across the cracks to prevent or limit further movement. The cracks are then filled with any cement that doesn’t shrink.

Gunite (a form of concrete) can be sprayed on bigger cracks in basement walls or floors. You’ll need special spraying equipment to do this which you can hire. The resulting spray will fill cracks and leave a smooth finish, but you need to get the mixture ratio right. However it does stick to most surfaces so it’s a good option.

Finally, it needs to be said that basement waterproofing materials are not the ultimate solution. You should also be looking at making sure there is as little water getting into the ground around the basement as possible.

So also consider:

 

  • - be sure your rain gutters are in good condition.
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  • - sloping the ground away from the foundation of the house
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  • - removing flower beds, bushes and trees from around the foundations and seed with grass.
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  • - repairing crevices in your driveway
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  • - put in some curtain drains to move water from the surface away from the base of the home
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  • - putting in dry wells for the rain water spouting at a minimum of ten feet from the house.
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  • - placing a sump pump or pumps into service.
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  • - using interior gutters to collect water seeping through the basement walls and route it to a floor drain.
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