Can You Use Masonary Sealer On Interior And Exterior?


Our Brick Sealer can be applied to vertical exterior and interior masonry surfaces made of brick, stone, stucco, adobe and other moderately dense substrates.


Although less resistant to moisture, standard interior and exterior acrylic paints can be successfully used on masonry in many cases. Applying acrylics directly to the surface works if the masonry is new or undamaged. First, clean and seal the surface with a good masonry primer. Once it dries, apply two coats of latex paint.

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Frequently Asked Questions

What do you use to seal an interior brick wall?

Sealing interior brick walls Using a water sealant on internal brickwork is certainly the best option to ensure it's protected from continual exposure. Watered-down PVA Building Adhesive will provide a good seal, and create a good base if you choose to add a lick of paint.

Can you use DRYLOK on exterior walls?

DRYLOK® works by entering the pores of the masonry and expanding as it dries to become part of the wall surface. ... Yes, DRYLOK® can be applied to interior and exterior masonry surfaces – above or below grade.

Can you use DRYLOK extreme on basement floors?

DRYLOK® Floor & Wall Masonry Waterproofer is also perfect for floors, basements, retaining walls, decorative brick and stone facades, and more.

Can I use DRYLOK on drywall?

They're not formulated for interior work. You'd have off gasses not intended for a confined area and the paint won't wear as well. You'd be better off using a kitchen and bath enamel - it has extra mildewcide and is formulated for a damp environment.

Which is the best concrete sealer for masonry?

PENTREAT 244-100 is a penetrating, 100% active silane sealer that inhibits water and chloride ion penetration in concrete and masonry structures. PENTREAT 244-100 is a hydrophobic, impregnating sealer that helps prevent chloride-induced corrosion of rebar, scaling, spalling, freeze-thaw damage, and other causes of debilitating concrete.

Can you use masonry paint on external walls?

If you choose to use masonry paint on your external walls, we will ensure the walls are fully prepped and treated correctly. This process involves using high powered washers to remove dirt and grime and treating for algae, performing any repairs, and the rendering of the surface as well.

What should I use to seal masonry before painting?

I’m wondering what to use to prime/seal the surfaces before painting....basically the cheapest, not the best product is what I’m after. One wall is unpainted cement render, one is bare breeze block and the other is painted cement render but that needs hacking off so will be unpainted cement render.

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