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How do you seal masonry before painting?

Therefore, before painting, a layer or two of masonry sealer should be applied. A roller can be used for this task, and it will typically take from four to 12 hours for the surface to dry. “Once the sealer is dry,” Watson notes, “Use a masonry primer to cover the entire area, readying the surface for the coat of paint.

How do you use Drylok extreme masonry Waterproofer?

Apply the first coat to bare masonry with a three-quarter-inch nap roller, a DRYLOK® Brush or a quality nylon bristle brush. If using a brush, work the DRYLOK® Extreme Masonry Waterproofer into the pores of the masonry, making sure to fill all pores and pinholes.

What is the difference between Drylok and kilz?

The difference between the two products is the original Drylok® withstands 10 lbs of thermostatic pressure while Drylok Extreme withstands 15 lbs of hydrostatic pressure. … KILZ has a 5 star ratting on Amazon and is rated for up to 12 PSI of water pressure.

How do you seal a wet concrete wall?

DO apply a masonry waterproofing product to bare interior basement walls. If your foil test showed that water is soaking through your basement walls and leaving them wet, seal the interior of the walls with a high-quality waterproof paint, such as DRYLOK White Extreme Waterproofer (available from Home Depot).