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Caulking Driveway Cracks

by , Posted to on 05/06/2013 2:05 PM | "Quote" | "Quick Reply" |

Joined: 02/27/2007
Location: ND
I'm throwing around the idea of doing the expansion joints.

I'm sick of weeds, dirt/debris, and chipping corners. The concrete is 9 years old, and has no cracks besides the expansion joints.

Does this stuff hold up? I cant find anyone in my neighborhood who has done it!

pros, cons

thanks!
 "I'll show you where the bear sh**s in the woods!" ~ Dad
(I still have no clue what it means.)

"You're not really even my son." ~ Dad
(I still don't believe him.)
Re: Caulking Driveway Cracks
by on 05/06/2013 2:40 PM | Reply #1 | "Quote" | "Quick Reply" |

Joined: 02/03/2004
Location: ND
I was thinking about doing my driveway also, I have some really wide gaps on mine and some pieces were really heaving this spring, I think they got water under and then it froze, its back to normal now, but for a while they were really wacky...
Re: Caulking Driveway Cracks
by on 05/06/2013 2:44 PM | Reply #2 | "Quote" | "Quick Reply" |

Joined: 01/07/2004
Location: ND
 I want to know the same thing.  I house I bought a few years ago has a pretty steep driveway and the expansion cracks have grown quite wide.  The previous owner filled it in with black stuff, perhaps blacktop sealer, but it looks weird with the black on grey concrete.  Should I use a foam backer and then just use cement caulking?

Re: Caulking Driveway Cracks
by on 05/06/2013 3:04 PM | Reply #3 | "Quote" | "Quick Reply" |

Joined: 02/27/2007
Location: ND
 i wish an expert would chime in! google basically only confused me more 

im thinking there are only pros and no cons? BUT i cant find anyone in my hood who has done it?!?!!?

so i'm really wondering whats up up 
 "I'll show you where the bear sh**s in the woods!" ~ Dad
(I still have no clue what it means.)

"You're not really even my son." ~ Dad
(I still don't believe him.)
Re: Caulking Driveway Cracks
by on 05/06/2013 3:16 PM | Reply #4 | "Quote" | "Quick Reply" |

Joined: 02/27/2008
Location: ND
I worked for a caulking company for a year and a half, and we did alot of driveways. it will def. stick you just have to make sure you have it very clean.  I would say if it's more than an inch thick i would use some backerrod or else you will go through a ton of caulking.
Re: Caulking Driveway Cracks
by on 05/06/2013 3:29 PM | Reply #5 | "Quote" | "Quick Reply" |

Joined: 07/14/2003
Location: ND

DOW CORNING 890-SL SILICONE JOINT SEALANT
A one-part, cold-applied, easy-to-use, self-leveling silicon material that cures to an ultra-low-modulus silicone rubber upon exposure to atmospheric moisture. The cured silicone rubber remains flexible over the entire temperature range expected in pavement applications.

All information above came from the following web site;

https://www.dowcorning.com/applications/search/products/Details.aspx?prod=02011727&type=PROD

There are other similar products that work well. This is one of many that is used in an industrial/commercial fasion for roadways, bridges and so forth. Should be good for driveways!

Re: Caulking Driveway Cracks
by on 05/06/2013 3:32 PM | Reply #6 | "Quote" | "Quick Reply" |

Joined: 04/29/2011
Location: ND
You will want to router out the cracks so they are even, and blow them out with compressed air so they are clean.  You should use backer rod.  You want the sealant to stick to the concrete (sides), and only have to expand and contract in one direction.  If you don't use backer road it might stick to the bottom of the crack and have to expand in that direction also, tearing the sealant loose from the concrete.  If the crack isn't clean you won't have good adhesion to the concrete, basically like painting over dirt.  Use a commercial product like Tremco also.  As far as holding up that's going to depend on how bad you beat it up with your snow blower in the winter.
Re: Caulking Driveway Cracks
by on 05/06/2013 3:41 PM | Reply #7 | "Quote" | "Quick Reply" |

Joined: 02/27/2007
Location: ND
some good replies! thanks

any recommendations in the BisMan area?
 "I'll show you where the bear sh**s in the woods!" ~ Dad
(I still have no clue what it means.)

"You're not really even my son." ~ Dad
(I still don't believe him.)
Re: Caulking Driveway Cracks
by on 05/06/2013 4:31 PM | Reply #8 | "Quote" | "Quick Reply" |

Joined: 02/27/2008
Location: ND

Call Prairie Supply in bismark and talk to Mike J. he will hook you up with some good caulking that is who we bought it from. He should also have any tools if you need to rent them.
 

Re: Caulking Driveway Cracks
by on 05/06/2013 5:33 PM | Reply #9 | "Quote" | "Quick Reply" |

Joined: 03/09/2009
Location: ND
I have tried about 20 kinds of driveway caulk filler stuff.
 
Basically, you want a polyeurethane one...and if the cracks aren't too deep and not angled too much, you want the self leveling kind.
 
Here is a good one:

http://www.midlandhardware.com/148021.html

You can get it at any decent hardware store, or menards or home depot.

There is one that starts with a letter S at home depot also...lol. 
 
The polyeurethane stuff..stays like RUBBER no matter how cold or how hot it gets out. 
 
In the winter,  at 20 below...it is still rubbery.  It doesn't come out because of freeze-thaw.  The crap that comes in jugs...is junk. 

The only bad thing about the polyurethane stuff is that
a.) turns black from tires
b.) Your shovel will catch on it in the winter....won't harm it, but it'll about snap your elbow off if you have a metal shovel and are shoveling fast and furioiusly, and your shovel catches it. 
 
Good stuff.
Remember, Mr. Plow, that's my name, that name again is Mr. Plow. 

 
Re: Caulking Driveway Cracks
by on 05/06/2013 6:16 PM | Reply #10 | "Quote" | "Quick Reply" |

Joined: 09/25/2009
Location: CA
I have replaced sidewalk dividers that were redwood 2x4's that eventually rotted out on the bottom edge and came loose.  This left me with a 1-1/2" wide by about 3" deep space between sidewalk sections.  I made up brick/block mortar mix and filled the space with that.  The lime in the mortar mix took care of expansion/cracking problems and the color is close to regular concrete.  I never tried it in narrow cracks, but it should work just like it does between bricks.  Look for "Portland cement mortar" wherever cement products are sold.
Steve.
Re: Caulking Driveway Cracks
by on 05/06/2013 9:40 PM | Reply #11 | "Quote" | "Quick Reply" |

Joined: 12/07/2012
Location: MT
 I've been doing flatwork for 6 years now and I would recommend a product called Sikaflex depending on the size of the cracks..  It's a lot like the products some of these other guys have described.   It stays rubbery and durable.   http://www.homedepot.com/webapp/catalog/servlet/ContentView?pn=BP_Sika&storeId=10051&langId=-1&catalogId=10053

Re: Caulking Driveway Cracks
by on 05/06/2013 9:55 PM | Reply #12 | "Quote" | "Quick Reply" |

Joined: 01/08/2002
Location: ND
Used to to things like that for a living
 
Re: Caulking Driveway Cracks
by on 05/06/2013 10:59 PM | Reply #13 | "Quote" | "Quick Reply" |

Joined: 02/27/2007
Location: ND
 Sikaflex looks like the Shizuoka 
 "I'll show you where the bear sh**s in the woods!" ~ Dad
(I still have no clue what it means.)

"You're not really even my son." ~ Dad
(I still don't believe him.)
Re: Caulking Driveway Cracks
by on 05/06/2013 11:15 PM | Reply #14 | "Quote" | "Quick Reply" |

Joined: 03/09/2009
Location: ND
Boom... that's the stuff I was trying to think of in my post above. From what I can tell... its just like the Loctite  stuff I mentioned. Keep in mind... there is self leveling and thicker stuff... just make sure you get polyurethane ... whatever u choose.  
The Mantis Said:
 I've been doing flatwork for 6 years now and I would recommend a product called Sikaflex depending on the size of the cracks..  It's a lot like the products some of these other guys have described.   It stays rubbery and durable.   http://www.homedepot.com/webapp/catalog/servlet/ContentView?pn=BP_Sika&storeId=10051&langId=-1&catalogId=10053


Remember, Mr. Plow, that's my name, that name again is Mr. Plow. 

 
Re: Caulking Driveway Cracks
by on 05/07/2013 08:50 AM | Reply #15 | "Quote" | "Quick Reply" |

Joined: 12/10/2002
Location: ND
10 years ago I put down something called NP1, from Northwest Industrial Supply in Bismarck, and I have been pretty happy with it.   Still pliable.  The only cracks that is has pulled away from are ones that shift too much in the winter.   They have another flavor of it called SL1 where SL stands for self-leveling.   I went with the thicker NP so that it didn't sink further than I wanted and then I smoothed it out myself.
Re: Caulking Driveway Cracks
by on 05/07/2013 08:58 AM | Reply #16 | "Quote" | "Quick Reply" |

Joined: 02/27/2007
Location: ND
 sikaflex self leveling looks like a winner to me

what does 'cleaning' the joints properly entail? seems like when i spray em out with the hose, dirt just keeps a-bubblin up (thus coating the joints again with a layer of dirt?)
 "I'll show you where the bear sh**s in the woods!" ~ Dad
(I still have no clue what it means.)

"You're not really even my son." ~ Dad
(I still don't believe him.)
Re: Caulking Driveway Cracks
by on 05/07/2013 09:22 AM | Reply #17 | "Quote" | "Quick Reply" |

Joined: 11/03/2002
Location: ND
You guys are suckers.  The govt will fix your sidewalk while you lay on the couch.

http://youtu.be/sHzdsFiBbFc
 Nuke the Whales
Re: Caulking Driveway Cracks
by on 05/07/2013 09:48 AM | Reply #18 | "Quote" | "Quick Reply" |

Joined: 12/10/2004
Location: ND
 
Sluggo Said:
10 years ago I put down something called NP1, from Northwest Industrial Supply in Bismarck, and I have been pretty happy with it.   Still pliable.  The only cracks that is has pulled away from are ones that shift too much in the winter.   They have another flavor of it called SL1 where SL stands for self-leveling.   I went with the thicker NP so that it didn't sink further than I wanted and then I smoothed it out myself.

We use np1 almost weekly.  Good stuff.  It also comes in a SSL semi self leveling for the steeper driveways. But like everyone said use backed rod.  Its pretty cheap

"They say that guns just cause violence, if thats true mine are all defective" Ted Nugent

Re: Caulking Driveway Cracks
by on 05/07/2013 09:51 AM | Reply #19 | "Quote" | "Quick Reply" |

Joined: 02/27/2007
Location: ND
 
!thwack! Said:
 
Sluggo Said:
10 years ago I put down something called NP1, from Northwest Industrial Supply in Bismarck, and I have been pretty happy with it.   Still pliable.  The only cracks that is has pulled away from are ones that shift too much in the winter.   They have another flavor of it called SL1 where SL stands for self-leveling.   I went with the thicker NP so that it didn't sink further than I wanted and then I smoothed it out myself.

We use np1 almost weekly.  Good stuff.  It also comes in a SSL semi self leveling for the steeper driveways. But like everyone said use backed rod.  Its pretty cheap

so now im leaning towards np1 ssl! 

any insight into joint prep?
 "I'll show you where the bear sh**s in the woods!" ~ Dad
(I still have no clue what it means.)

"You're not really even my son." ~ Dad
(I still don't believe him.)
Re: Caulking Driveway Cracks
by on 05/07/2013 10:06 AM | Reply #20 | "Quote" | "Quick Reply" |

Joined: 12/01/2008
Location: ND
I used to own/run an asphalt sealcoating business in college and like others have stated, make sure your crack is really clean before you apply your sealer of choice.  If you could borrow/rent one of these it would be ideal:
http://littlewonder.com/lw-pro-crack-cleaner.asp
And then follow it up with a blower/air compressor of some sort.  Also, if your crack looks like it goes to China you will want some sort of backer as mentioned above.

"Diligence is the mother of good luck."

"The constitution only gives people the right to pursue hapiness.  You have to catch it yourself."

"Well done is better than well said."

"Beer is living proof that God loves us and wants us to be happy."

All by:  Benjamin Franklin

"The solution to any problem - work, love, money, whatever - is to go fishing, and the bigger the problem, the longer the trip should be."

Author: John Gierach

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Posted On: 05/06/2013 2:05 PM
5161 Views, 63 Comments

Tags: cracks, caulking, driveway, i'm, expansion, joints, doing, throwing, sick, chipping
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Region: North Dakota

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