Repoint your brick or stone walls.
For exterior walls on any home, from historic row houses to newer builds. Clean the face, repoint failed joints, then protect the wall above grade.
See the stepsAsk us
The steps
CleanCleaning firstAll Surface Cleaner dilutes with water, up to 1:20. Clean before you repoint or seal so the new work goes onto a clean face.
Wash the face with All Surface Cleaner so you can see which joints need work.
Test a sampleTest a sampleOrder a quart sample of your mortar shade and try it on a small spot before the full order.
Mix a quart sample and try it on a small spot to check the shade.
RepointMatching mortar to ageOur guide: PHL 3.5 for before 1920, Type O for 1920–1950, Type N for after 1950. Not sure? Ask us with a photo.
Rake out failed joints and repoint with the mortar matched to your building’s age.
Estimate how much →ProtectMasonry Responder SealerA natural-look water repellent for exterior brick and stone above grade. Never use it on below-grade interior walls.
Apply Masonry Responder Sealer to exterior brick and stone above grade.
Your suppliesMortar sizesMortar comes as concentrate you mix with sand: a quart sample, 1-gallon cans, or a 5-gallon bulk box (five 1-gallon cans' worth of concentrate).





Mortar sizesMortar sizesMortar comes as concentrate you mix with sand: a quart sample, 1-gallon cans, or a 5-gallon bulk box (five 1-gallon cans' worth of concentrate).: quart samples, 1-gallon cans and 5-gallon bulk boxes. Try the Mortar Color Visualizer →
Questions
Which mortar is right for my home?
Our guide matches mortar to building age: PHL 3.5 for before 1920, Type O for 1920–1950 and Type N for after 1950. Not sure? Ask us and we'll suggest a good place to start.
How much should I order?
Use our Mortar Calculator. Mortar comes as concentrate in 1-gallon cans and 5-gallon bulk boxes (five 1-gallon cans’ worth of concentrate), plus quart samples.
Can I seal every wall?
Masonry Responder Sealer is for exterior brick and stone above grade. Never use sealer or water repellent on below-grade interior walls.
More questions?
More questions? See our FAQ, browse project guides, or ask us.