I have a section of recycled asphalt chips to the left of my concrete driveway, which we use parking a second car. The asphalt rocks leave a mess in the yard and in the driveway. Could I use asphalt sealer over top the gravel to form a more solid surface? I've thought about using some landscape edging to keep some of the gravel in place, but that may not be a permanent solution. Any ideas or suggestions is appreciated. Thanks!
No. Sealer isn't nearly strong enough to support the tremendous tearing forces at play.
Instead, watch your local community sale websites for used or leftover concrete pavers. You want the heavy duty ones, which are about 2-1/2" thick. With a little patience and luck you should find a relatively inexpensive lot that will give you proper pavement for life. You could even use the recycled asphalt concrete as a base, with a little sand over the top to make leveling easier.
My boyfriend has a driveway with a crushed run base, #57 stone topped on that, recycled pavement dust over that, with bagged asphalt for the top layer. He got it to fuse using 1 part gasoline* to 2 parts diesel fuel. It was sprinkled with a watering can, then packed with a tamper. After a week of 90 degrees, it finally cured. He then thinned down driveway sealer with water & sprinkled it again. He used a small push broom to even the sealer & edge the sides. He let it dry one day & rebrushed the surface. This removes the shiny random areas. After another day he packed it with a riding mower making sure most ridges & any protruding gravels are flat. He then waited 2 more days to final coat the top with black sand. The blacktop sealant takes longer to cure on a tar & gravel mix. (cold patch) It turned out nice, & on a hot day it self heals. Takes around a week before you can park a car on it. *FIRE HAZARD🔥- Do not smoke or run engines around driveway until the gasoline evaporates!
I don't think pouring a sealant all over your rock will provide you with a blissful outcome. I can't say I have a real answer to your problem either.
Here are the problems I can see with a sealer topcoat:
- Obnoxiously sticky residue
- Residue has a good chance of staining your driveway
- How to stop if from flowing over to your yard and driveway
- Stickiness and residue stains can be problematic each time it gets warm
Here's a possible solution -- still using a sealant. Use it as an bonding undercoat. I would take the top 1/2" layer off and spread a layer of sealant about 1/4"-3/8" thick and spread that 1/2" layer back down and tamp it down to make sure the sealant reaches the top of the layer and bonds it all the way through.
That's about the best I can think of at the moment.