It's effective in waterproofing bird baths fish ponds retaining walls and any area that comes into contact with humans or Wildlife dry lock is one of the safest. Waterproofing. Products on the market.

Works great !!!! I first used Drylok at least 12 years ago on my basement walls that were seeping water. It lived up to its guarantees and I am stripping the old just now and am going to repaint with the same product.

Yes and no. DRYLOK® may be used over any other cementitious-type waterproofing paint in good, repaintable condition, either inside or outside. However, DRYLOK® cannot be used over an oil or latex-based paint on the inside of a building.

A. Yes, DRYLOK® Masonry waterproofer is ideal as a foundation waterproofing coating. Wait 24 hours after the application of the second coat to backfill.

Drylok is made of cement and latex or oil-based paint, materials that will not bond to cement, which is needed to waterproof a concrete surface.

Drylock comes in 2 forms, latex based and oil based.

In some cases the moisture will force its way through the cement and the Drylock and cause flaking of the product – similar to paint cracking and flaking. Even if you've used Drylock you will need to check for efflorescence; this is evident by sediment and white spots showing up on the walls and floor of the basement.

Remove and wash contaminated clothing before re-use. Avoid breathing vapors or mists. Ensure adequate ventilation. In case of insufficient ventilation, wear suitable respiratory equipment.

It contains several VOCs, including Diethylene Glycol Monomethyl Ether, which is one of those hazardous chemicals required by law to be reported if released into the environment (here's the whole list if you are curious). Better to use something nontoxic.

DRYLOK No pre-​mixing or pre-​wetting is necessary. Its breathable film does not trap moisture in masonry, and withstands 10 pounds of hydrostatic pressure, greater than a wall of water 22 feet high!

In some cases the moisture will force its way through the cement and the Drylock and cause flaking of the product – similar to paint cracking and flaking. Even if you've used Drylock you will need to check for efflorescence; this is evident by sediment and white spots showing up on the walls and floor of the basement.

DRYLOK® Wet Wall Bonding Primer is designed to apply to wet walls that never have a chance to dry out, or you don't have time to wait for a dry rain-free period. DRYLOK® Wet Wall Primer is to be applied directly over a wet masonry surface, not with active leaks but on a wet surface.