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Old 10-07-2019, 09:13 AM   #1
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Help - Screwed up caulking driveway


Hi there,

First time posting. I was caulking the 2in wide x 16ft long gap between my driveway and garage yesterday and I screwed it up. I cleared most debris out then put play sand as a base. Then I put foam backer in there but I suppose it wasn't deep enough. It was taking a lot of bottles of caulk to fill the gap. Now the foam backer has risen to the top of most of it. Its basically a covered caulk rope.

Should I just rip out the foam backer and place a new one in there lower down as a I can? Then put new caulk on top. Will I even be able to do that at this point? I was trying to get away with not using as much caulk but it looks like that backfired.

Any advice is welcomed. Thanks!
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Old 10-07-2019, 12:02 PM   #2
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Re: Help - Screwed up caulking driveway


From the way it sounds, I think using some kind of asphalt repair would have been a better choice.
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Old 10-07-2019, 12:30 PM   #3
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Re: Help - Screwed up caulking driveway


Check out Pecora Products they have sealants for Parking garages, Bridges & Roads including Driveways.
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Old 10-08-2019, 06:26 AM   #4
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Re: Help - Screwed up caulking driveway


where is YOUR 'where',,, posting a location is ALWAYS helpful & shows consideration for & respect to responders,,, you're here asking for help, remember ? so much for the manners lesson

why any play sand ? afraid of falling in ? you probably already know about clean sidewalls for proper adhesion,,, go to the dollar store & buy some foam waterwings,,, they're closed cell backer rod in colors & MUCH cheaper than buying the grey stuff from specialty suppliers,,, trim to fit SNUG & be sure the top of the rod's 1/2" BELOW the surface of the concrete

install your sealant @ 3/8" thickness,,, much thicker & you risk loss of adhesion - thinner the risk is cohesion failure,,, this should leave the sealant room to 'breathe' as the conc changes dimension in response to changes in temp,,, hot conc = thin joints & reverse is true - bigger joints when conc's cold ( hyskoul fizix, remember ? ),,, that way tires generally won't 'scrub' the sealant

use non-sag sealant, NOT self leveling,,, 'tool' properly to promote adhesion,,, this would also be a good time to read the mfg'er's w/site for installing directions

pecora's ok but not available w/o some searching & driving,,, 'as equals' will be available at your local apron/vest store
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Old 10-12-2019, 06:51 AM   #5
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Re: Help - Screwed up caulking driveway


Repairing asphalt is a sound next step. You can fill cracks with sand and then apply patching compound. You'll have to seal too in the end. This source provides easy to understand guidelines which I am emphasizing here: don't use the driveway until is fully cured, make sure to determine number of applications based on weather and type of sealer, and do it as least once a year.
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caulking , concrete driveway repair


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