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Over my acetone dye floors,I typically either spray a chemical resistant urethane followed by a second coat, or just a water based epoxy. You can also follow the epoxy with the urethane.

Being that your house was built before 1986, I suspect that the black mastic you just ground up and introduced into the air contained asbestos. We will shut down a job if we find any suspicious substances while doing our prep work and have it tested. There is no reason to take a chance. And as...

if you were in SoCal I could help you out, but shipping chemicals is kind of a pain in the ****. You could give Westcoat a call and see if they could send you a sample kit of some EC-95 urethane topcoat. Just tell them your thinking of doing your whole garage, but would like some hands on before...

Haven't had any luck getting rust out yet. CLR just doesn't do anything once the rust stain is set.

For those of you with existing concrete that want to dress it up, you can do a stamp overlay directly on top of the old concrete. It goes down at about 1/4". You can also do a variety of colors, textures and patterns on top of your old concrete.

that is the larger rock, the smaller rock looks like this.

sand, wipe, seal. typically done in a day

gotcha covered...that floor looks great

Think about a pebble finish. With your concrete in that bad of shape, the pebble finish will adhere and somewhat floatover the really bad areas. Now I'm not talking large pebbles like the 70's driveways, but a large sand called coarse aquarium. When troweled out it has a solid texture and looks...

Rent a floor buffer and sand/abrade the surface, pressure wash and then let dry for a few days. You could spray an acrylic lacquer thinned out 25-50% with acetone and that should be solid and work great. If you want a second coat, you can use less thinner for more build. If you have a decent...

Completely normal to run into concrete that is soft in some areas and hard in others. As long as the finish looks about the same, you will be fine. Another thing to note is that a heavier broadcast of chip will hide lots of imperfections.

Fernando- is that a water based urethane that you used in the floor with the motorcycles? The reason I ask is that I see the eggshell texture of the sealer that we seem to get when we use water based urethane on a smooth floor. Looks great though, wish I could do more decorative than the same...

Does the shroud have a cut-out in the top? The ones we use have a hole the size of a nickel in the top to facilitate air movement and keep the grinder from sticking. I like to use the figure 8 movement when grinding. How far off are your control joints that you need to level them? I usually...

I have done more floors with a 7" grinder than I care to remember. That setup will work just fine. Does the shroud have a flip up part on the front that exposes the cup? The shrouds that we use have that feature, and it is for getting up next to the wall while still having a functional shroud...

try some soy gel...some of that stuff works wonders on even the toughest urethanes, should work for that too.

Glaze N Seal wet look acrylic lacquer sealer with non skid, 2 coats. Westcoat Sc-70 acrylic lacquer with CA-30 safe grip, 2 coats. Both materials can be cut with acetone or xylene(unless you're in CA), and can also be sprayed. I like to spray my jobs. I use a Chapin Xtreme with the 8006 diamond tip.

As far as prices go, it's very comparable. The prep is pretty much the same, then stain, then rinse, and then your choice of sealer. Takes about 3-4 days. Day 1: grind and stain, Day 2 rinse (seal if using water based sealer), Day 3 seal, Day 4 (optional) additional coat of sealer. Newer...

Nope doesn't sound good. What type of prep did you do, and how did you clean up any dust?

Not a huge fan of water based epoxies as sealers, but they are very user friendly. A 100% solids epoxy is not very hard to apply though. Mix a a quart or less depending on the amount of cut in, and get the edges first. After you are done with the edges, then hit the field. Have everything in...

Here is the rst of the ocean floor commercial bathroom. https://plus.google.com/photos/111645481299634713996/albums/5939557019391580225