House built on bedrock want to finish basement.

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Posted by: from Snow Lake
2/11/2012 at 11:29:05 AM

Our house was built on bedrock so therefor in our unfinished basement there is big rock right in the center. It is a huge area we would love to something with but the rock makes it impossible. Is it possible to remove this rock somehow and carry on?

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Date/Time2/11/2012 at 12:28:33 PM

Hi Jill:

There are the plus' of building on bed rock, and then there are the issues.

The first thing that I would suggest is research someone in your area that has experience with removal of rock in confined spaces. You probably have only two options. If it is possible to have it hammered out this would be a nasty, noisy and dusty job. I would think that the main concerns would be proper ventallation and ese of removal of the debris. the simplest and sometimes most asthetic idea would be to get a designer who has experience with natural accents and see how the rock could be incorporated into a theme for the basement. Quite often you see natural issues in homes being turned into focal points.

Good luck with the issue.

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Date/Time2/11/2012 at 5:50:51 PM

Hi Jill,

I have used Dexpan non explosive demolition to break up concrete and rock in the past. However, I would first engage the services of an engineer to advise as to whether this should be undertaken as it relates to your foundation. I would also suggest you engage the services of a company that has experience in using this product.


Kingsway Construction Inc

Glenn Rosborough

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Date/Time2/12/2012 at 11:26:29 PM

Hi Jill, +1 to Glen, non explosive is the only way to go in your situation. Definitely check with an engineer first.

I did a quick search for "non explosive demolition" and came up with a lot of products in this category, including Dexpan, some even claiming to be DIY friendly. The biggest issue you will have is getting the rubble out of the basement.

Put your requirements in the "post your projects" section to get some local contractors to respond. There must be a few familiar with your needs in your area.

Good Luck with it!

Jim Kuzma

Kettleby Handyman Services

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