dry lock
Mia Russell
Updated on May 19, 2026
Yes, Drylok paint really does work. In fact, if you need paint that will be waterproof then this is the perfect choice. Before you start painting you will have to ensure that the wall isn’t too wet, otherwise this will impact the effectiveness of the paint.
What is dry locking a basement?
If you have been talking with a home improvement professional and he or she mentions Drylock or Drylok, what he is talking about is a basement waterproofing sealer that is put on the concrete. This product is designed to prevent water from seeping through the foundation and walls in the basement.
How many coats of Drylok should I do?
Just as with a thorough paint job, proper application of DRYLOK Masonry Waterproofer requires two coats. Dry times vary based on temperature and humidity, but it typically takes at least four hours for the product to dry.
Will mold grow on Drylok?
It takes roots, feeds and multiplies. The chemical makeup of Drylok paint is a particular food source that mold actually likes (mold also grows on wood and many other similar surfaces as those are food sources as well) so the mold has food in plenty if Drylok is present.
Is Drylok good for basement walls?
For maximum protection, I opted for DRYLOK Extreme. Recommended for the most demanding conditions and capable of resisting the hydrostatic pressure equivalent to a 33-foot-tall wall of water, DRYLOK Extreme does what other, broadly similar products do, only better.
Is Drylock a good idea?
Drylok is an indoor waterproofing paint, and while that has been mentioned several times, it is a crucial detail. Waterproofing your basement from the inside may be cheap, but it is by far the least effective way of waterproofing your basement, and this is because it never stops the source of the water.
Can you use Drylok over old paint?
DRYLOK Masonry Waterproofer can be used over paint. In addition to using DRYLOK over any other cementitious waterproofing-type paint in good, repaintable condition, it can also be used over oil or latex-based paints on the inside of buildings.
Do you have to paint over Drylok?
A. Absolutely. In fact, DRYLOK® makes an ideal base coat. After applying DRYLOK®, wait at least 24 hours and then paint it with a good quality latex top coat.
How do I stop my basement from seeping water?
Here are eight strategies to keep water out of your basement.
Add Gutter Extensions. Plug Gaps. Restore the Crown. Reshape the Landscape. Repair Footing Drains. Install a Curtain Drain. Pump the Water. Waterproof the Walls.
Can you waterproof a basement from the inside?
Waterproofing a basement in the inside is a very popular option because it is done without major exterior excavation and, in some cases, can be done very quickly and economically.
How do I damp proof the inside of my basement?
The generally accepted method of actually tanking a surface is to apply a mix of “tanking slurry” or cement mixed with a rubberised liquid to form a waterproof coating on the inside of the basement or cellar wall.
How long does Drylok extreme take to dry?
DRY TIME: 2 hours • To recoat: 3 hours Note: Maximum cure and dry time will be prolonged when slightly humid and damp, cool conditions prevail. CLEAN UP: Warm soapy water Dispose of contaminated absorbent, container and unused contents in accordance with local, state and federal regulations.
Can you apply DRYLOK with a roller?
If you prefer to use a roller, be sure to back brush the first coat to make sure DRYLOK® penetrates those pores and pinholes. After three hours, the first coat will be dry. Apply coat number two using your choice of a roller, brush, or sprayer.
How long does it take DRYLOK to dry?
DRY TIME: To touch: 30 minutes • To recoat: 3 hours • Top coat with latex paint: 24 hours Note: Maximum cure and dry time will be prolonged when slightly humid and damp, cool conditions prevail.
Can you use Drylok on drywall?
Can Drylock Be Used On Drywall? The products are not designed for interior use. If you were to use paint, you would not have to worry about the paint wearing out since there would be off gasses not intended for a confined area. If you’re going to use a damp environment, you should use a kitchen and bath enamel.
Is Drylock toxic?
This material is combustible, but will not ignite readily. Contains 1,2-benzisothiazol-3(2H)-one. May produce an allergic reaction. Toxic to aquatic life with long lasting effects (GHS category 2: aquatic toxicity – acute and/or chronic).
Can you paint wood with Drylok?
DRYLOK Masonry Waterproofer can be used over wood, metal, or terra cotta. The DRYLOK Masonry Waterproofer should not be used on any other surface other than bare masonry and concrete.