27513 Drylok Masonry Waterproofer Latex, 1 Gallon, White

I did my exterior walls I my basement with this prior to finishing the rooms. I followed the directions except I used phosphoric acid to etch the walls instead of sulfuric acid or the dry lok brand etch. Used a garden sprayer to apply acid per phosphoric prep and etch directions and then rinsed with fresh water with a garden sprayer. Let dry for a day or two then painted 2 thick coats. Get the biggest nap roller you can find and slop it all over. Then take a cheap brush and fill in any pinholes after the paint flashes for about 30 mins. When all the pin holes are filled after several hours I applied another thick coat. After about two days this paint hardened up like concrete. I feel confident it will last a long time and provide a good level of water proofing and vapor barrier on my exterior sub level foundation blocks.

I purchased this in February, today I finally decided to tackle my project, opened the can and saw this! I can barely get the stir stick in there. It’s chunky and separated. Nothing I can do with this. I’m hoping to get a replacement or my money back even though it’s outside of return time. I’ve never had this happen and I hope the seller makes this right.

I use this on an old shower at my camp. It waterproofs the entire shower stall, provides a skid free surface. Seems to inhibit mold and mildew. I give it a fresh coat about once a year and that's it. Great stuff.

we had mixed our own concoction before but this was easier and worked very well in our basement. wall are no longer 'weeping'.

I used this to seal the cinder block piers on my roof. Paint just didnt keep out the water and cracks had formed from it freezing inside them. I also used this product to seal the cracks in my brick chimney because water would get in on heavy rains and its been good for years now.

When I opened up the can, the contents had separated so much that I couldn’t even get a stick into it to mix it. I returned it and purchased it in a store with a paint mixer.

solved my ongoing water issues - used as directed no more water issues

great product