Any concrete guys here ?
#7001668
09/27/20 09:31 AM
09/27/20 09:31 AM
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Joined: Nov 2011
Posts: 23,649 New Hampshire
Nessmuck
OP
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OP
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Joined: Nov 2011
Posts: 23,649
New Hampshire
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Looking for best way to repair a vertical crack in my basement wall...1/4 inch to 3/8 wide ...Thanks
It is better to die on your feet than to live on your knees.
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Re: Any concrete guys here ?
[Re: Nessmuck]
#7001671
09/27/20 09:34 AM
09/27/20 09:34 AM
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Joined: Mar 2013
Posts: 2,172 chelsea,wi
keets
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trapper
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chelsea,wi
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hydraulic cement for do it yourself
2021 goals....make time to trap PROUD MEMBER WTA NTA FTA GOA SPORTSMANS ALLIANCE
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Re: Any concrete guys here ?
[Re: wetdog]
#7001686
09/27/20 09:59 AM
09/27/20 09:59 AM
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Joined: Nov 2011
Posts: 23,649 New Hampshire
Nessmuck
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OP
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New Hampshire
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Gray concrete mastic if it poured walls If it's block you have a pushing problems
Poured walls
It is better to die on your feet than to live on your knees.
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Re: Any concrete guys here ?
[Re: Nessmuck]
#7001692
09/27/20 10:06 AM
09/27/20 10:06 AM
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Joined: Dec 2006
Posts: 20,083 SEPA
Lugnut
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Yep, something flexible and waterproof like wetdog mentioned.
Eh...wot?
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Re: Any concrete guys here ?
[Re: Nessmuck]
#7001693
09/27/20 10:07 AM
09/27/20 10:07 AM
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Joined: Dec 2006
Posts: 21,716 Sandhills Nebraska
Gary Benson
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Sandhills Nebraska
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A Band-Aid fix is the best you can do. If the crack and wall is dirty, nothing will stick. If it's clean, you could mix up some grout and fill the crack, or fill it with silicone caulk that will stay flexible. Big Stretch is a good one.
Life ain't supposed to be easy.
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Re: Any concrete guys here ?
[Re: Lugnut]
#7001698
09/27/20 10:10 AM
09/27/20 10:10 AM
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Joined: Nov 2011
Posts: 23,649 New Hampshire
Nessmuck
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Yep, something flexible and waterproof like wetdog mentioned. Have you seen any repairs done with this stuff 10+ years down the road..?
It is better to die on your feet than to live on your knees.
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Re: Any concrete guys here ?
[Re: Nessmuck]
#7001727
09/27/20 10:32 AM
09/27/20 10:32 AM
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Joined: Mar 2020
Posts: 7,367 W NY
Turtledale
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W NY
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Clean with muriatic acid and neutralize with backing soda/water mix before you use anything. It will not only clean the crack of all impurities it will also lightly etch the concrete for a better mechanical bond
NYSTA, NTA, FTA, life member Erie county trappers assn.,life member Catt.county trappers
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Re: Any concrete guys here ?
[Re: ]
#7002002
09/27/20 02:49 PM
09/27/20 02:49 PM
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Joined: Nov 2011
Posts: 23,649 New Hampshire
Nessmuck
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I built and poured foundations and flat work. Poured a ton of city sidewalks here to. So never did to much repair work. I retired ten years ago but sounds like I would address the cause of the crack before patching it. Do I hire a crack detector..? Take some side Sonar readings ...of the Teutonic Plates undah the footings ?
It is better to die on your feet than to live on your knees.
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Re: Any concrete guys here ?
[Re: Moosetrot]
#7002052
09/27/20 04:03 PM
09/27/20 04:03 PM
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Joined: Nov 2011
Posts: 23,649 New Hampshire
Nessmuck
OP
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OP
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New Hampshire
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Crack Detector....Now that's a profession I am not sure I would enjoy.
Moosetrot I think ..this will change your mind.....
It is better to die on your feet than to live on your knees.
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Re: Any concrete guys here ?
[Re: Nessmuck]
#7002104
09/27/20 04:56 PM
09/27/20 04:56 PM
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Joined: Dec 2006
Posts: 3,856 Pa
Wright Brothers
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If it failed because of roof water, nothing will last if you don't fix the spouting.
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Re: Any concrete guys here ?
[Re: Nessmuck]
#7002145
09/27/20 05:45 PM
09/27/20 05:45 PM
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Joined: Mar 2019
Posts: 1,497 Southern NJ
maintenanceguy
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Southern NJ
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Is it still moving? Are you wanting to just seal it from water intrusion or are you hoping to fix something structurally?
If you want to stop if from moving (if it still is), you need something more than just filling the crack. You will need to under pin the footings, install some sort of friction or helical pier, or have an engineer or architect come up with a fix. If it hasn't moved in years, hydraulic cement will work well.
If it's still moving or might be moving and you just want to seal it from water intrusion, use a urethane caulk (after cleaning any debris from the crack and letting it dry). Silicones are very flexible but terrible adhesives and will eventually fall out of the crack. Latex and acrylic caulks are fairly good adhesives but don't stretch very much and will crack if the wall continues to move. Urethanes are great adhesives and very flexible - typically 500% - 600% elongation before they fail and sometimes you just can't remove the stuff and have to cut the caulk away. They make a mess when applying it if you aren't really careful, and they're hard to clean up. You will probably need to order it because most hardware stores don't carry urethane caulk - probably because home owners don't want to deal with the possible mess and clean up.
-Ryan
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Re: Any concrete guys here ?
[Re: Nessmuck]
#7002172
09/27/20 06:27 PM
09/27/20 06:27 PM
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Joined: Mar 2014
Posts: 1,324 vermont
vermontster
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vermont
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I would use SIKAPRO EPOXY Foundation crack filler. The best product I have seen. Check it out on youtube . You apply a top coat with injection tubes about every foot up the crack and start filling from the bottom until it starts coming out the next injection tube above it then move up to that one and repeat. it expands through the entire crack and really holds strong. But if the crack is caused by water intrusion you need to fix that also like adding soil to slope the grade away from the foundation. I also am not a concrete guy.
The bitterness of poor quality last a lot longer than the sweetness of low price
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