Sidewalk Joints

 
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Old 05-30-2012, 08:21 PM   #1
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Sidewalk Joints


Does anyone know what material can be used to re-fill expansion joints in a sidewalk?
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Old 05-30-2012, 08:27 PM   #2
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Re: Sidewalk Joints


We use a product from Dymeric and use the stuff you mix yourself, not the regular off the shelf tubes

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Old 05-30-2012, 08:38 PM   #3
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Re: Sidewalk Joints


better question is why do want to fill them?
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Old 05-30-2012, 08:40 PM   #4
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Re: Sidewalk Joints


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better question is why do want to fill them?
Because what was in there isn't anymore
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Old 05-30-2012, 08:50 PM   #5
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Re: Sidewalk Joints


You might consider filling them with expanding foam, then cut the foam back and cover it with a good control joint caulk.
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Old 05-30-2012, 09:11 PM   #6
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Re: Sidewalk Joints


ohhh gotcha! I thought you were trying to hide them ... that being said you can use the stuff they put between pool coping and the surrounding slab
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Old 05-30-2012, 09:26 PM   #7
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Re: Sidewalk Joints


Quote:
Originally Posted by Chris Johnson View Post
We use a product from Dymeric and use the stuff you mix yourself, not the regular off the shelf tubes
Quote:
Originally Posted by tgeb View Post
You might consider filling them with expanding foam, then cut the foam back and cover it with a good control joint caulk.
Quote:
Originally Posted by parkers5150 View Post
ohhh gotcha! I thought you were trying to hide them ... that being said you can use the stuff they put between pool coping and the surrounding slab
Thanks for the input.

Now where can I buy these products?
Of course, there is a big blue and a big orange near me....but there is also a mason yard, an Allied Building Supply, some pool supply places.

Sidewalks/cement/concrete is not really my thing.
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Old 05-30-2012, 09:45 PM   #8
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Re: Sidewalk Joints


masonry yard should have it
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Old 05-30-2012, 09:46 PM   #9
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Re: Sidewalk Joints


just know that its very very messy and stinky stuff
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Old 05-30-2012, 09:48 PM   #10
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Re: Sidewalk Joints


My route is going to run you about 5 bills to buy the product. Unless your doing a couple thousand feet, I would find a guy who does professional caulking.

I didn't even think of the pool caulking stuff, that may be the more cost effective route. I'm sure a pool supply store could hook you up
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Old 05-30-2012, 10:13 PM   #11
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Re: Sidewalk Joints


Quote:
Originally Posted by Chris Johnson View Post
My route is going to run you about 5 bills to buy the product. Unless your doing a couple thousand feet, I would find a guy who does professional caulking.

I didn't even think of the pool caulking stuff, that may be the more cost effective route. I'm sure a pool supply store could hook you up
5 bills I use Sika 2c ns and Tremco Dymonic all the time...How many friggn sidewalk blocks is he doing?

If it's not many, just use sausage tubes and a bulk gun, proper backer rod and some bond breaker tape.

Don't stick your fingers in it - gotta tool it for proper finish.
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Old 05-30-2012, 10:43 PM   #12
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Re: Sidewalk Joints


I vote for the pool store, pick up some backer rod and gun grade PSI-641, (I think it's 641), or some good butyl caulk.

Or like I often do, just call the caulk guy, it usually turns out to be very cost effective.

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Old 05-30-2012, 11:02 PM   #13
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Re: Sidewalk Joints


My vote is for SikaFlex I like the self leveling. If you use self leveling and the crack/ joints have no bottom you will first nedd to put in some non self leveling or it will all run out
http://www.homedepot.com/buy/buildin...nt-172987.html
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Old 01-29-2013, 08:36 PM   #14
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Re: Sidewalk Joints


Come back Celtic.......
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Old 01-29-2013, 08:43 PM   #15
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Re: Sidewalk Joints


Sika flex. The self leveling type.
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Old 01-29-2013, 09:27 PM   #16
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Re: Sidewalk Joints


Use an elastomeric polyurethane sealant with a backer rod for anything more than 3/4' deep. I like NP1 or self leveling NP2.

Here is my go-to page when specifying scopes of work for sidewalk and parking lot expansion joint repair: 07 92 00: Joint Sealants
by The Adhesive and Sealant Council, Inc. (ASC)
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Old 01-29-2013, 10:26 PM   #17
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Re: Sidewalk Joints


This is who I use for my concert epoxies and whatnot...

http://www.foxind.com/

Like Fez said, very important to use an elastomeric sealant like a industrial Sika or butyl over proper backer rod.

See if you have a Kenseal in your area. It's what they specialize in.
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Old 01-30-2013, 05:44 AM   #18
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Re: Sidewalk Joints


Roadware Concrete mender is excellent for repair of sidewalk settlement cracks and spalling as well. http://www.concretemender.com/rwmender.html
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Old 02-05-2013, 01:18 PM   #19
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Re: Sidewalk Joints


You CAN buy small quantities of self-leveling urethane sealant in tubes, usually quart tubes. One such product is BASF SL-1.

We also mix multi-component units and draw the material into bulk guns, but for smaller projects, tubes are easier.

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