Basement Waterproofing Cost

Basement Waterproofing CostFew things can negatively impact a home’s resale value than a damp and moldy basement. Over time, water can seep down against the foundation and enter the home through miniscule cracks or fissures. The basement waterproofing cost can vary depending on the nature of the problem. For repairs or installation of exterior footer drains the procedure can be quite costly, ranging in the ballpark of $5000. For issues involving minor cracks and drain seepage, the cost could be closer to $500. There are many solutions to waterproofing a basement, both inside the home and out.

Sometimes, a simple matter of rerouting the downspouts an additional three feet away from the house will be enough to prevent water from seeping down toward the foundation. This is the most cost effective solution and can usually be completed for under $50. The saturated soil creates pressure that can crack the foundation, allowing water inside, especially after heavy rains or spring melt. If this is not effective, excavating and either repairing existing footer tiles or installing new ones may be necessary. An exterior french drain, which consists of a drain pipe that is laid in gravel after excavating along the perimeter of the house in order to divert the flow of water. A waterproof coating of tar can also be applied to the exterior foundation for extra protection. This can be a more costly repair, ranging from $4000 to $8000 depending on the size of the house and whether or not a rubberized sheeting material is applied to the foundation for additional protection.

To fix or improve the problem from the inside of the house, a mixture of hydraulic cement may be used and is an effective short term solution and often serves to buy some time for the homeowner while preventing further damage from occurring. The amount of cement needed will vary, but this repair will not usually cost more than $500. The installation of a sump pump can be another option. To do this, a trench is dug along the interior walls of the basement and a drain pipe is installed. This pipe collects runoff water and directs it to the sump pump, which then pumps it out of the house. The sump pump should ideally have a battery backup so it can continue to function if the electric goes out due to bad weather. Having this done can cost between $3000 and $6000 depending on the pump and amount of labor.

DIY Basement Waterproofing Costs

The cost to waterproof your basement will almost always be cheaper in the short term than hiring a professional contractor. However the long term costs could be greater if you do not solve your wet basement issues sufficiently and incur costly damage in your basement. The following are some of the items you can do yourself and the costs associated.

  • Basement Dehumidifier – Typical Cost = $1000-$2000. This for a quality basement dehumidifier for a medium to large basement. It can be cheaper for a smaller space or a crawl space.
  • Pedestal Sump Pump – Typical Cost = $100. A pedestal sump pump is easier to install without contractor assistance due to the pump not having to be installed in to the ground.
  • Basement Wall Crack Repair – Typical Cost < $500. You can patch cracks in your basement walls to try and slow down the flow of water in to your basement. This cost varies on how many cracks you are attempting to fix.
  • Gutter/Downspout Modification – Typical Cost < $50. If you determine that water is pooling up against the side of your house to to improper drainage you can attempt to divery water away more effectively with longer gutters and downspouts that leave the water further away from your home and out of harms way.

Cost of Hiring a Professional Basement Waterproofer

It is difficult to give an exact figure or even a very close estimate as literally every home and every situation is different. This will obviously affect the cost to waterproof your basement. A bigger home will cost more than a smaller home and a complex water infiltration problem will cost more than a simple problem.

Your best bet for understanding how much hiring a professional is going to cost you is to understand the different components that going in to waterproofing your basement.

  • Will you need a french drain installed?
  • Will you need a french drain on the exterior of your home? Or the interior? Or perhaps both?
  • Will you need a sump pump? What type of sump pump?
  • Will you need any regrading of the landscape around your home?

these are just some of the factors that will make a big difference on how much it will cost you to waterproof your basement professionally. The best advice we can give is to have multiple experts give you their opinion on what needs to be done and how much they will charge to do the job. Once you have several estimates of what work is needed you can then break down the costs by task.

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