Nicely done ! Like you found out, Blackjack really needs a minimum of 24 hours cure time. I found that spreading was easier with a stiff bristle boat brush (12" wide and with a strong handle) than it was with the roller or other means. My only wish is that it came in white, would have been nice...
I believe you can go to the Lowe's website, order it and have it delivered to your local store for pickup.
Or see what brand product that is similar that they carry, just don't go for an aluminized sealant meant for trailer roofs.
If you have an ACE Hardware nearby, they usually carry the...
I second JackE's suggestion on using BlackJack, just tried this product and I love the easy peasy installation. It will be a very durable under DLM floor surface. I would also second the chickens pecking and eating liquid nails that is peeking out of any seams, it tends to look like a worm or...