Gap Between Garage Pad And Asphalt Driveway - Concrete, Stone & Masonry - DIY Chatroom Home Improvement Forum
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Old 04-04-2019, 11:14 AM   #1
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Gap between garage pad and asphalt driveway


16 year old concrete driveway pad and asphalt driveway. I imagine the driveway has settled/moved somewhat, and flexed away from the edge of the slab. What's the correct way to minimize water intrusion into the subgrade below both? I was thinking to use the foam rope and caulk method that's used for sealing swimming pool edges.
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Old 04-04-2019, 04:25 PM   #2
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Re: Gap between garage pad and asphalt driveway


Is the driveway sloped into the garage? If not, I wouldn't worry about the water. If it is, the water is probably still getting into the soil formation.



The issue I see is that nothing ever quite holds up in those cases and almost universally pulls away...at which point...it looks worse than the gap.
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Old 04-04-2019, 04:31 PM   #3
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Re: Gap between garage pad and asphalt driveway


Ayuh,..... 99.9% of the driveways I over-lay look exactly like that,.....

Which is Great for me, as I don't have to cut out a big strip across the garage to make "Space" for the over-lay,....

Like WoW, I wouldn't give it a 2nd thought,.....
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Old 04-05-2019, 09:41 AM   #4
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Re: Gap between garage pad and asphalt driveway


No, the driveway more or less drains away (has a couple little dips where water sits). And obviously there's no runoff coming from the garage itself. However, we do get a fairly significant amount of rain onto the garage door when it rains (guess it's just the wind patterns around the house), and that's what my concern is, because the rain on the door drips down, and into the gap.
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Old 04-07-2019, 03:54 AM   #5
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Re: Gap between garage pad and asphalt driveway


stay inside or look the other way,,, IF you'e want to get serious, buy closed cell backer rod ( NOT yellow denver foam ) & find some dow-corning 890 silicone which adheres to both conc AND asphalt,,, install 1/4" below top surface & NO MORE than 3/8" thick - http://www.ssicm.com/assets/pdfs/DC_890.pdf
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