A Commercial Masonry Maintenance Schedule for Chicagoland Building Owners

A commercial masonry maintenance schedule for a Chicagoland brick or block building is simple:

• Every year: walk the roof, the parapets and coping, and the sealant joints, and look at the steel over openings.
• Every 5 to 10 years: replace sealant where it's failing and spot-tuckpoint the most exposed areas.
• Every 20 to 30 years: plan full repointing of the weather-facing elevations, along with any lintel and parapet rebuilds the yearly walks have turned up.

Paul Lally's Masonry, a family-owned, insured masonry contractor serving Chicagoland since 1988, builds and carries out these plans for property managers, condo and HOA boards, churches, schools and single-building owners. Call (708) 448-8866 for a free on-site estimate.

Most expensive masonry jobs share one cause: nobody looked until something leaked inside or dropped onto the sidewalk. Masonry is durable, but it isn't maintenance-free. The parts that fail first are small, cheap to fix early and easy to miss from the parking lot.

Masonry doesn't fail all at once. It fails at the edges first: the top of the wall, the joints, the steel over the openings. Watch the edges and the middle of the wall takes care of itself.

Why commercial masonry needs a maintenance schedule

A brick or block wall is a system. The brick or block carries the weather. The mortar joints are the sacrificial part, softer than the brick and meant to be renewed. Sealant closes the movement joints and the gaps around windows and trim. Flashing and weep holes collect water that gets in and send it back out. Steel lintels and shelf angles carry the masonry over openings. The parapet and coping cap the top of the wall.

Every one of those parts has a different service life. Sealant might last 10 to 20 years. Mortar on an exposed parapet might last 15 to 25. Mortar on a sheltered wall can last much longer. A maintenance schedule simply lines up those service lives so you replace the short-life parts on time instead of finding out about them through a ceiling stain.

What the Chicago climate does to masonry

Chicagoland gets dozens of freeze-thaw cycles a winter. Water that soaks into brick, block or open mortar joints freezes, expands and pushes the material apart a little more each time. Add road and sidewalk salt, wind-driven rain off the lake and long, wet springs, and the exposed parts of a commercial building take a real beating. That's why the same building can have perfect mortar on one side and crumbling joints on the parapet above it.

The commercial masonry maintenance schedule at a glance

Frequency	What to do	Why
Every year (spring)	Walk the roof, parapets, coping, rooftop masonry; check sealant, lintels, grade-level masonry; look for interior stains	Catches freeze-thaw damage while it's still small
After major storms	Check parapets, coping and chimneys for loose or displaced units	Wind and ice can loosen masonry at the top of the wall
Every 3 to 5 years	Detailed elevation-by-elevation review with photos; clear weep holes; check control joints	Builds a record so you can see what's changing
Every 5 to 10 years	Replace failing sealant; spot-tuckpoint parapets, chimneys, corners and weather side; reset loose coping	The short-life parts come due here
Every 10 to 20 years	Replace sealant on most elevations; inspect and repair lintels with rust jacking; reapply breathable repellent where used	Sealant and repellents wear out on a cycle
Every 20 to 30 years	Full repointing of exposed elevations; parapet rebuilds where needed; lintel replacement programs	The big capital items

These ranges are typical, not promises. A south-facing parapet on a building near a busy, salted road can come due much sooner than a sheltered courtyard wall.

The yearly walk: what to look for

You don't need a mason for every yearly check, but you do need to know what you're looking at. Here's the list we give owners and property managers.

On the roof

• Coping: stones or metal caps that have shifted, cracked or lost their mortar or sealant at the joints.
• Parapet: open mortar joints, cracked or leaning brick, plants growing out of joints.
• Rooftop masonry: stair towers, elevator penthouses, chimneys and fire walls, all exposed on every side.
• Flashing: counterflashing pulled out of the masonry where the roof meets the wall.

On the walls

• Sealant joints: split, shrunken, hard, or pulled away from one side.
• Steel lintels: rust staining, a crack fanning up from the corners of an opening, or a horizontal crack along the top of the steel.
• Cracks: stair-step cracks in brick or block, vertical cracks in long block walls.
• Efflorescence: white salt staining, a sign water is moving through the wall.
• Spalling: brick or block faces popping off, especially near grade and below parapets.

At grade and inside

• The base of the wall next to salted walks, lots and drive lanes.
• Weep holes that are blocked with mortar, mulch or debris.
• Interior stains on top-floor ceilings and on the inside face of exterior walls.

Write down what you find, with photos and the location. Next year's walk is twice as useful when you can compare.

The 5-to-10-year items: sealant and spot repointing

Sealant replacement

Sealant is the shortest-life part of most commercial facades and one of the most common leak sources. Proper replacement means cutting out the old sealant completely, cleaning the joint, installing backer rod to the right depth, priming where the product calls for it and tooling a new bead. Caulking over old caulk doesn't last.

Spot tuckpointing

Tuckpointing (or repointing) means grinding out deteriorated mortar to a sufficient depth for the new mortar to bond properly, then packing and tooling new mortar matched to the existing joints. On a maintenance cycle, it's targeted at the areas that wear fastest: parapets, chimneys, corners and the weather-facing elevation. Done on time, it keeps water out of the wall so the brick and steel inside last.

The long-cycle items: full repointing, lintels and parapets

Full repointing

When the mortar across a whole elevation has worn back, spot repairs stop making sense. Full repointing of an elevation is the biggest routine masonry item on most buildings, and it's best planned years ahead and phased by elevation.

Lintel programs

Steel lintels over windows, doors and storefronts all rust at about the same rate on a given building. When one starts rust jacking (swelling and lifting the brick above it), the others usually aren't far behind. A lintel program replaces the worst first and schedules the rest, with the wall shored, new galvanized or primed steel installed, and through-wall flashing with end dams and weep holes added.

Parapet rebuilds

A parapet is exposed on both faces and the top, so it wears out first. When it's leaning, badly cracked or loose, repointing isn't enough and the parapet needs to be taken down and rebuilt with new flashing under the coping.

The order to fix things in

When a walk turns up more than you can do in one year, rank it:

1. Overhead hazards: anything loose above people. Coping, parapet brick, lintels over entrances.
2. Active water entry: open joints, failed sealant, coping and flashing letting water in.
3. Deterioration: worn mortar, spalling and cracks that aren't leaking yet.
4. Appearance: staining, mismatched patches, old paint.

That order protects people first and the building second, and it turns a long list into a multi-year plan a board or owner can actually budget.

Materials and techniques that make maintenance last

• Mortar matched to the wall: Type N for most brick, Type S for block and below-grade work, lime-rich mortar on older soft brick. Mortar harder than the brick causes the brick to crack instead of the joint.
• Mortar color and joint profile matched so repairs don't stand out.
• Commercial sealant with backer rod, sized for the joint's movement.
• Galvanized or primed and painted steel for replacement lintels.
• Through-wall flashing with end dams, drip edges and weep vents.
• Breathable silane or siloxane repellents where a repellent is worth using, never film-forming paint on wet masonry.

What drives the cost of commercial masonry maintenance

We don't publish prices, because every building is different. What drives the cost:

• Height and access: ladders, lifts, swing stages or scaffolding.
• Scope: linear feet of sealant, square feet of repointing, number of lintels.
• Condition: how far damage has gone since the last time anyone looked.
• Mortar and brick matching on older or unusual buildings.
• Phasing and protection around tenants, customers, worshippers or students.

The single biggest cost driver is time. A yearly walk and a written plan keep most items in the "repair" column instead of the "rebuild" column. For a number on your building, call (708) 448-8866 for a free on-site estimate.

DIY vs. hiring a pro

Building staff can do the yearly walk with the checklist above, and they should. The repairs themselves are a different matter. Sealant applied over old sealant, mortar that's too hard, a film sealer on a wet wall, or a rusted lintel painted over instead of replaced all look fine for a season and make the next repair bigger. Work above the roofline or over walkways also brings fall and falling-object risks that need proper equipment and insurance.

Chicagoland building types and what to watch

Building type	Watch most closely
Condo and apartment buildings	Parapets, balconies, rear-wall lintels, chimneys
Churches	Bell towers and steeples, stone trim, large window openings
Schools	Long block walls and control joints, gym and auditorium parapets
Strip retail and storefronts	Storefront lintels, front parapets, sign bands
Office and medical buildings	Window sealant, shelf angles, brick veneer at corners
Warehouse and light industrial	Block at overhead doors, painted block, block parapets under metal coping

Across Cook, DuPage and Will counties, we see the same pattern on all of them: the exposed edges fail first, and the owners who check them every year spend the least.

Related services

• Commercial masonry restoration
• Tuckpointing and repointing
• Caulking and joint sealant
• Parapet wall repair
• Lintel repair and replacement
• Masonry sealing and waterproofing

For more, read our commercial tuckpointing guide for property managers, rooftop masonry on commercial buildings and church masonry repair.

Put your building on a schedule

Paul Lally's Masonry Inc. is a family-owned, insured masonry contractor serving Chicago and the Chicagoland suburbs since 1988 — tuckpointing, brick repair and replacement, chimney repair and rebuilds, lintel replacement, masonry restoration and waterproofing for commercial and residential properties. Built on Craftsmanship. Backed by Experience. Free on-site estimates — call (708) 448-8866.

We'll walk your building, photograph what we find by elevation, and give you a written plan ranked by risk, so you know what needs doing this year and what can wait. We're insured, we provide a certificate of insurance before work starts, and we stand behind our work, because our name is on every job.

Request a free on-site estimate or call (708) 448-8866.