05:04AM | 03/14/03
Member Since: 10/15/02
8 lifetime posts
I have a concrete block basement that has been leaking for years. I recently purchased the house and relandscaped, That seems to have fixed it. I am going to put up 2x4 walls and insulate. I will use pressure treated lumber and was wondering if it makes sence to leave a 1" air space between the block wall and the 2x4 wall. Pro's or Con's? Any advice would be appreciated.

[This message has been edited by SFM (edited March 14, 2003).]


09:11AM | 03/15/03
Member Since: 11/06/02
1280 lifetime posts
If it was actively leaking, and allll you did was landscape, you did nothing to fix the leak itself. You only re-diverted the flow of water. ANY water that comes to the wall will still try to leak in.

I would paint the inside surface of the walls first with Thoroseal and then wait for a full weet season to pass to be sure you have stopped the water penetration. It would be a shame to spend a lot of money and then discover next spring that it needs to be done over again.

In any event, the airspace is not a bad idea.


03:00AM | 03/17/03
Member Since: 10/15/02
8 lifetime posts
Sorry I didn't mention that I will be stripping the painted concreate walls and applying a sealer to them. I was thinking of using Radonseal has anyone ever used it and does it work? I will look into Thoroseal thanks for the info.
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