My neighbor told me my painted brick fireplace was a huge mistake. He said it would trap moisture and ruin the whole wall.

This happened at my house in Springfield. I was finishing up the job, and he came over to borrow a tool. He saw it and just shook his head. Said real brick needs to breathe and that paint will cause spalling in a few winters. I used a high-quality mineral-based paint meant for masonry, and I sealed it properly. It's been two years now, and it looks perfect, no issues at all. I think a lot of the 'never paint brick' advice is just old-school thinking that doesn't account for modern products. Has anyone else had a good experience with a painted brick project that went against the usual warnings?

3 comments

3 Comments

the_claire2mo ago

My dad was a mason and would have had a full-on meltdown over painting brick. He swore by the "brick needs to breathe" rule. Seeing your post and that it's held up perfectly for two years actually makes me reconsider. Maybe it really is more about using the right modern paint and knowing how to seal it properly. His old rulebook might need an update.

harris.ray2mo ago

Yeah, the "brick needs to breathe" rule is a classic. Your dad's reaction sounds exactly like my old neighbor, who was also in the trade. The thing is, that rule comes from older paints that basically plastic-wrapped the brick and trapped moisture inside, causing spalling. Modern mineral-based or elastomeric paints are designed to let vapor pass through while still sealing out water. It's all about the prep and the product. If @the_claire's place has held up for two years with no issues, that's the real world test right there. The old rulebook was written for different materials.

beth5591mo ago

Hold on, let's not throw out the rulebook just yet. My uncle's painted brick porch looked fine for three years before the whole face started crumbling off in sheets. He used a "breathable" paint too, but our freeze-thaw cycles here wrecked it. That trapped moisture has nowhere to go but out through the brick itself, and paint is just another layer in the way. Modern products might slow it down, but you're still fighting the basic physics of the material. Sometimes the old rules are there because people already learned the hard way.