How to Remove Paint from Brick Without Damaging It

By Michael Mathes · Updated 2026-10-31

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Brick is tougher than it looks in some ways and more fragile in others. Its fired outer face sheds water. Break through it with aggressive blasting or high pressure and the brick can soak up water and start spalling. Older, softer brick and mortar are especially at risk.

Step 1: Test a small area

Always test in an inconspicuous spot. The National Park Service Preservation Brief 1 recommends the gentlest means possible for cleaning masonry.

Step 2: Chemical strippers (usually the first choice)

Masonry paint strippers, often applied as a paste or with a poultice and fabric/paper layer, soften paint deep in the pores. Leave it for the full dwell time, peel it off, then rinse at low pressure. Several rounds may be needed for many layers. Check the label for which paints and substrates it's rated for.

Step 3: Rinse gently

Use low to moderate pressure with a wide fan tip held well back. Don't use a zero-degree tip on brick or mortar.

Abrasive methods

Dry sandblasting is generally discouraged on historic brick because it erodes the face. Low-pressure wet or soft-media methods (and laser cleaning for some coatings) are gentler alternatives, but an experienced operator should test first.

After stripping

Let the masonry dry thoroughly, repoint failed mortar with a compatible (usually softer) mortar, and think twice before repainting. Brick sealed with non-breathable paint can trap moisture.