Use a sander to make tough areas more porous before trying a second coating. Use a sharp putty knife to help break up large swaths of Drylok. Brush on another coating of solvent and let it sit for 45 minutes before attacking the Drylok again with the pressure washer.

Can you apply new Drylok over old Drylok?

Drylok can be applied over old Drylok only if the old layer is not peeling. For Drylok to act as an effective waterproofer, it must penetrate into the pores of a surface. Once Drylok starts to peel, it becomes ineffectual and has to be removed. Drylok is warrantied to last between 7-15 years.

Can you paint over old Drylok?





Can you paint over DRYLOK® Masonry Waterproofer? A. Absolutely. In fact, DRYLOK® makes an ideal base coat.

How do you remove old waterproofing paint?

How Do You Remove Waterproof Paint? Paint is one of the substances that can be broken down by rubbing alcohol, and it can also be used to remove oil-based paint and water-based paint. You can cover your fingertips with alcohol by placing a very small amount of it on a microfiber towel and covering two of your fingers.

Why is Drylok peeling?

If your sealant is flaking, the most common cause is that there is moisture in your foundation walls. This can happen because of pressure from soil, pools of water against your home, leaks in certain places, and from inadequate waterproofing.

Can you remove DRYLOK?

Drylok masonry sealant is commonly used to waterproof cracks in basement walls and floors. If you need to remove this heavy-duty coating, made by United Gilsonite Laboratories and often marketed as UGL Latex, you’ll need the right solvent and a pressure washer powerful enough to blast away old layers of coatings.

What paint can go over DRYLOK?





Applying Paint Over DRYLOK
DRYLOK readily accepts latex or acrylic paints once the DRYLOK itself is dry. It can be used as a base coat or primer for other paints, for instance, if you prefer a shade not available in any of the DRYLOK products.

Is DRYLOK water or oil based?

Oil Base DRYLOK® Masonry Waterproofer
Formulated for waterproofing all interior, exterior, above or below grade masonry walls, cinder and concrete blocks, stucco and brick, retaining walls, fish ponds, birdbaths, basement walls and foundations.

How do you remove waterproof paint from cinder blocks?

Project Summary

  1. Clean the concrete surface thoroughly and let dry.
  2. Scrape peeled or chipped paint.
  3. Apply paint stripper and wait.
  4. Remove paint stripper residue.
  5. Reapply paint stripper as necessary.

How toxic is DRYLOK?



LEAD IS TOXIC. EXPOSURE TO LEAD DUST CAN CAUSE SERIOUS ILLNESS, SUCH AS BRAIN DAMAGE, ESPECIALLY IN CHILDREN. PREGNANT WOMEN SHOULD ALSO AVOID EXPOSURE. Wear a NIOSH-approved respirator to control lead exposure.

Does DRYLOK cause mold?

The product provides an ‘inert coating’ which means it does not promote the growth of mold or mildew. Additionally, Drylok Extreme consists of an additive called ‘mildewcide’ which acts to further prevent the potential for mold or mildew to grow under paint.

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.

Does DRYLOK have an expiration date?



Latex Base DRYLOK Masonry Waterproofer, when applied according to directions on a properly prepared bare masonry surface, is warranted to provide a waterproof coating for ten (10) years from date of sale, warranty includes subsequent owners, or we will refund the cost of the DRYLOK.

Should you use DRYLOK on basement walls?

Once the basement is completely dry, all the holes are plugged and the windows and doors are caulked, it’s time to paint the walls with a waterproof sealer. DRYLOK® Extreme Masonry Waterproofer is the perfect solution to stop water infiltration through basement walls, and it’s easy to apply.

What is the difference between DRYLOK and Drylok extreme?

The main difference is that Drylok Extreme has better water resistance than Drylok Original (15 PSI as opposed to 10 PSI). Drylok Extreme is wind resistant, includes biocide, and has a longer warranty. Additionally, the Extreme has a smooth texture, while Drylok Original offers a sandy texture.