Recent content by Shaotai

Not a calcium test, but the bag/tape test. Obviously, there is moisture that comes through under the bag. I was also able to see air bubbling while applying the HD39!

Back in 2008, a few weeks after I applied the HD39, this is what starts showing up... Here's pictures I took today of some of the areas. Woo~ looks like a line of coke! Where the tires of the cars roll over, you can see the concrete has "densified" and doesn't exhibit the...

Background: New home purchased in 2003, in the Pacific Northwest area (Seattle - East side, in Renton). We live in a small drive-in cul-de-sac with 4 other houses. Problem: Our garage is having an insane efflorescence issue. Too bad it's not crack, because I'd be rich with all this white...