Repointing (Brick & Stone) in Rochester, NY

What's included

• ✓Mortar analysis on pre-1930s homes (lime vs portland)
• ✓Joints raked to 2–2.5x the joint width depth
• ✓Three-coat application: scratch, brown, finish
• ✓Matched color and texture to surrounding mortar
• ✓Tooled to match original profile
• ✓Wet-cure protection for 48–72 hours after work

Lime mortar vs. portland — why it matters

Older Rochester homes, particularly pre-1930s construction, were built with soft, hand-fired brick set in lime mortar — mortar intentionally softer than the brick, so that when the wall moves seasonally, the mortar gives and the brick doesn't. Repoint that same house with modern portland mortar and the joints become harder than the brick itself; freeze-thaw cycling then spalls the face off the brick instead of the mortar, because the stress has nowhere else to go. A mortar compatibility check on every pre-1930s home before quoting is standard practice — it's a five-minute test that prevents a very expensive mistake.

How to tell repointing is overdue

Mortar joints that are visibly recessed, crumbling to the touch, or missing in sections are the obvious signal. Less obvious: water staining on interior walls near a chimney or foundation line, which often means joints have failed enough to let water through even though the exterior still looks intact from the street. On chimneys specifically — the most freeze-thaw-exposed masonry on any house — failed repointing is often the first sign of a crown or flashing problem that's bigger than the joints alone.

What the work involves

Failed joints get raked out to 2–2.5x the joint width in depth — shallow repointing is a cosmetic patch, not a repair, and fails again within a few years. The new mortar goes in as a three-coat application (scratch, brown, finish), color- and texture-matched to the surrounding original, and tooled to match the existing profile so the repair doesn't read as a patch from the sidewalk. Fresh mortar needs 48–72 hours of wet-cure protection, which is why repointing, like most exterior masonry here, is scheduled April through November. Typical chimney repointing runs $1,800–$4,500; broader façade work is quoted per square foot, generally $12–$28.

Partial repointing vs. full repoint

Not every job needs to touch every joint. A partial repoint — addressing the specific failed sections identified in the site walk — is common and appropriate when deterioration is localized, such as a single elevation with more sun and wind exposure than the rest of the house. A full repoint makes sense when failure is widespread across the structure or when mortar age and composition are uniform enough that spot repairs would create a visible patchwork of old and new joint color. Either way, scope gets set after the walk-through, not before.