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-   -   Do I need drainage around foundation? (http://www.diychatroom.com/f16/do-i-need-drainage-around-foundation-192258/)

cfreak 12-17-2013 11:15 PM

Do I need drainage around foundation?
 
I have an old house (1948) , one story with no basement, concrete slap and I believe it doesn't have drainage around the foundation. One side of the house (entry to back yard) has concrete pavement (about two inches below the floor). The rest are dirt around the home. My neighbor told me that I should put drainage around the foundation to prevent water damage to foundation (my back yard is about 1 feet higher than the front of the house).

I am wondering if it really necessary to put drainage around foundation or if there is other way to prevent the issue. I have a guy and he quoted $2500 for doing drainage & sealing foundation (about 120 feet). It looks easy enough for DIY with some helpers. What do you guys think?

Daniel Holzman 12-18-2013 07:21 AM

You said you have a slab, I presume it is concrete. Concrete is not damaged by being in contact with groundwater. Unless you have a problem with groundwater getting into your house, there should be no need for drainage around the house. And if you do have a problem with water getting into your house, take care of the obvious surface water problems first (grading downhill away from your house, gutters not clogged etc.)

DexterII 12-18-2013 09:20 AM

Based on what you have provided so far, I agree with Daniel. Many times, even if a crawl space or basement is involved, but particulalry with a slab, surface water can be adequately dealt with by proper grading and downspout extensions. IF your slab were at grade, which does not seem to be the case since you said that you have concrete outside of the house that is below the slab, a drain system might be something to consider, but, in my opinion, only after addressing the two main issues that Daniel mentioned.

Bondo 12-18-2013 05:31 PM

Quote:

My neighbor told me that I should put drainage around the foundation to prevent water damage to foundation (my back yard is about 1 feet higher than the front of the house).
Ayuh,.... It sounds like grading, or regradin' the yard oughta fix any water issues, If ya got any,....

What's yer yard look like in a torrential down-pour,..??

Fendy 12-18-2013 10:53 PM

I agree with Mr Daniel also. Our house is on the same situation and that's what we did.

cfreak 12-19-2013 12:08 AM

thank you for all replies.

I have some issue when heavy rain in the brick patio area. The ground seems to be sunk a little bit and the water is not drained (and It seems to keep sinking a little for the past 3 years). I will try work on grading so that the water flow along the side of the house to the front as everyone recommend..

mbender2004 03-22-2014 10:35 AM

I can tell you that you're not going to hurt anything by putting in adequate drainage. You never really know until...it's too late.

QuickHomeBuyers 03-24-2014 12:12 AM

Any chance you can share a photo? As long as you don't have puddles collecting near your foundation you should be fine.

To eliminate any water collecting by your home or patio you can create a dry creek/swale. This will channel the water at an angle so that when it rains, water coming towards the house can be directed to the side of the house.


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