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Question DetailsAsked on 10/16/2013

How do I evaluate basement waterproofing prices?

Our home basement is leaking water and we've gotten two estimates from two contractors. The first estimate is twice as high as the second estimate. How can I evaluate them?

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1 Answer


1) look at where the scope of work is different - are they bidding apples to apples or apples to oranges.
2) get at least 1 and probably 2 more bids - with 2 you don't know which one is out of whack unless you have a good engineer's or architect's estimate up front for the cost to compare them to; with three you will either learn that one is out of whack with the other two, or that your scope of work is not definitve enough and all three or four are all over the place because each is bidding different assumptions.

It might help to read through some of the commentary in the Home > Basement Waterproofing link (in Browse Projects at lower left) if you have not already done so, to get a feel for some of the types of solutions out there, and when particular ones might be more suitable.

In your case, with a 2:1 difference, I am guessing one is proposing a full exterior bitumastic or liner on the foundation wall, and the other maybe some surface drainage control or maybe a basement internal drain and sump pump, or something like that.

Answered 6 years ago by LCD

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