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Brick Repair & Restoration

Masonry Repair for Markham Homes: What Newer Subdivisions Get Wrong

Chameleon Masonry
•
October 14, 2026

When people think about masonry repair, they usually picture century homes with crumbling stone foundations. In Markham, many of the masonry problems we see are on much newer houses.

Large parts of Markham were built from the 1980s through the 2000s, when brick veneer over a wood frame became the standard for suburban homes. These houses are now old enough for their first round of real masonry wear, and some of the shortcuts taken during fast construction are starting to show.

Here is what Markham homeowners should watch for.

How Brick Veneer Actually Works

On most newer homes, the brick is not holding up the house. It is a single layer of brick tied to a wood frame wall with metal ties, with a small air space behind it.

That system relies on a few details to keep water out:

  • Weep holes at the bottom of the wall to let moisture drain
  • Flashing above windows, doors and at the base of the wall
  • Sound mortar joints to shed rain
  • Proper caulking where brick meets windows and doors

When any of these are missing or blocked, water stays in the wall, and that is where most problems begin.

Common Masonry Problems in Markham Subdivisions

Blocked or missing weep holes

Weep holes are often covered by landscaping, raised garden beds, interlock or mortar droppings left behind during construction. Without them, moisture behind the brick has nowhere to go.

Rusting lintels above windows and garage doors

Steel lintels that were not properly primed or flashed start to rust. As they expand, you may see horizontal cracks above openings, bricks pushing outward or rust staining on the face of the wall.

Cracks around garage openings

Wide garage door openings put a lot of weight on a single lintel. Settlement and lintel movement make these one of the most common crack locations on newer homes.

Mortar wear on exposed walls

Walls facing prevailing wind and rain, along with areas under downspouts and decks, often show recessed or crumbling joints years ahead of the rest of the house.

Spalling brick near grade

Brick that sits close to the ground, near driveways or walkways, takes in moisture and road salt. Over time the faces can flake and crumble.

Failed caulking at windows

Dried, cracked caulking where brick meets window frames lets water into the wall cavity and can lead to interior leaks.

Older Areas Need a Different Approach

Markham also has historic neighbourhoods, including Unionville and Markham Village, with much older solid masonry homes. These buildings were built with softer brick and lime mortar, and they need repair methods to match.

Using modern hard mortar on an older Markham home can cause brick damage, so masonry restoration on heritage properties should always be done with compatible materials.

Signs Your Markham Home Needs Masonry Repair

Have your brickwork checked if you notice:

  • Cracks above windows, doors or the garage
  • Rust stains on the brick face
  • Crumbling or recessed mortar joints
  • Flaking or spalling brick
  • White salt stains that keep coming back
  • Damp spots on interior walls near windows
  • Brick that looks like it is bowing outward

Why Early Repairs Matter on Newer Homes

Many of these issues start small. A rusting lintel caught early can often be repaired or replaced in one section. Left alone, it can lead to cracked brick, water damage inside the wall and a much larger rebuild.

The same goes for weep holes and flashing. Clearing and correcting them early can prevent years of hidden moisture damage.

Masonry Repair in Markham

Chameleon Masonry provides masonry repair and restoration for homes throughout Markham, including Unionville, Markham Village, Cornell, Berczy and surrounding neighbourhoods, as well as Vaughan, Richmond Hill, Aurora and Newmarket.

Whether your home is twenty years old or more than a century, our team can find the cause of the damage and recommend the right repair.

Contact Chameleon Masonry today to request a quote for masonry repair in Markham.

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