How to fill a wide gap between garage floor and driveway
Standard tube caulk is too narrow for gaps several inches wide, leaving spaces that fill with debris, grow weeds, and risk water erosion at the base. Finding a durable, cost-effective way to cap or fill this space is necessary to prevent structural damage without resorting to methods that quickly fail.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Digging out loose soil beneath the step, backfilling with crushed stone in thin lifts, tamping each layer, and finishing with a concrete repair mix or asphalt patch.Did this help you?
- 2adding more slate or slate chipsDid this help you?
- 3using ground cover plants like creeping thyme or creeping phloxDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“How does one fill in the gap between the cement garage floor and their asphalt driveway?”source ↗
“It’s a few inches wide and fills with debris and then weeds grow.”source ↗
“I would love to cap it over but not sure what is best to use, cost effective and lasts.”source ↗
“It’s wide enough that any tube caulk from the store is definitely out ofnthe question, probably.”source ↗
“Between my asphalt driveway and my cement porch, there’s a gap and a hole. How do I fix that? I’m guessing the water from the rain erodes the base of the cement step?”source ↗
Where this came up
People with this problem also raised
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- 7Why are there big soil gaps around my foundation?
- 10How to fix a hole or deep channel in a driveway
- 5Painted concrete basement floor keeps dusting and crumbling
- 4How to seal a gap under a garage door
- 11How to fix a 3/8 inch gap in tongue and groove flooring