tadtv1
05-30-2005, 06:09 PM
I am getting tiny pinholes and bubbles in my waterproofing coatings. The first coat was Superblockade- a cementinous product that is brushed on and is like panckae batter. The 8 inch 2500PSI concrete wall was 2 or 3 days old when I started. It had tiny pock marks on it- it appears the pinholes are coming from those pock mark areas. It almost sounded like rice crispys' with the little pinholes opening up. I sprayed the wall lightly before adding the product as it suggested. Actually it said "wetted"? Also they used metal forms that were coated with oil. I used a concrete cleaner and a brush to clean off the walls and let that dry a few hours. After the second coat, I still got pinholes. And I even applied a test area of Elasto-deck BT on top of that, and even that had the tiny pinholes, although fewer. What is going on? Out gasing? Drying? Oil? I'm confusued. Thanks. Tad