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Yes, you can paint stone on the exterior of a house. It’s important to properly prep the stone by cleaning off dirt and debris. You’ll want to apply at least two coats of paint to get the most even and complete coverage. Any pinholes or missed spots, however small, can allow moisture to get into the masonry and potentially cause the paint to blister and peel from the stone.

Painted exterior brick does not usually need sealing. Brick is a porous material, so you don’t want to apply a sealant that could trap moisture inside the bricks and cause erosion and structural damage. The risk of moisture-induced damage after sealing is higher in colder climates where trapped moisture can expand if it freezes. On the other hand, it makes sense to seal really old brick or kitchen backsplashes, where moisture from cooking can weaken the brick.

Brick stain doesn’t peel or chip and is much more durable than painting. That’s because the staining is absorbed into the brick instead of lingering on the surface as paint does. The color retains even under extreme weather conditions. Therefore, brick stain will save you a lot of time and cost on maintenance in the long run.

Rock salt and ice melts contain sodium chloride, aka salt, and are corrosive to metal and concrete. If used frequently over time, it can cause corrosion, discoloration, chipping, and cracking to patios, walkways, and driveways. You can try a rock salt alternative or hire a professional snow removal company instead.