Damaged brick
Damaged Brick Wall
Damaged brick surrounding a window. Brick faces missing.
Brickwork Repairs
Brick repair involves restoring damaged bricks and deteriorated mortar to maintain the structural integrity and appearance of buildings. A key component of this process is tuckpointing, which replaces failing mortar. Masonry contractors use various repair methods, including spot or large-scale brick replacement, facade anchor installation, and brick stabilization, depending on the extent of damage, brick age, mortar type, and building conditions. Proper brick repair ensures both durability and preservation.
Brick Wall Repaired
Brick Wall Repaired
Newly laid brick.
Perimeter Sealant
A long line of rubber type waterproof material that seals gaps and cracks to prevent water damage.
Caulking/Sealant
Caulking and sealant repair is the process of restoring and maintaining the protective seals around windows, doors, joints, and other surfaces to prevent air drafts, water leaks, and structural damage. Over time, caulking and sealants can deteriorate due to weather exposure, temperature fluctuations, and general wear, leading to cracks and gaps that compromise insulation and waterproofing. Whether for residential or commercial properties, we use high-quality, weather-resistant caulking to ensure long-lasting protection and a clean, polished look. Seal the gaps, protect your space, and enhance durability contact us today for professional caulking services! Chicago
Chimney
Chimney Repair
A damaged chimney isn’t just an eyesore—it’s a safety risk. Over time, weather and wear can lead to cracked bricks, deteriorated mortar, flue liner damage, and leaks that threaten your home's structure and air quality. Our professional chimney repair services include:
- tuckpointing
- brick replacement
- chimney cap
- crown repairs
- waterproofing treatments to keep your chimney strong, safe, and efficient.
Don’t wait until minor issues turn into costly repairs—restore and reinforce your chimney today with expert craftsmanship that stands the test of time. Schedule your inspection now! In Chicago
A chimney with eroded bricks due to
weathering.
How to Fix My Chimney: Common Sense Advice from Masonry Expe
Expert Masonry Services for Your Home or Business
Searching for chimney repair in Chicago or nearby suburbs? You're not alone. If your chimney is cracked, leaning, or missing mortar, your first instinct might be to fix it yourself. But before you grab a trowel or YouTube tutorial, read this.
Why Professional Chimney Repair Is Worth It
The truth is, chimney repair is more complex than it looks. Done wrong, it can lead to serious water damage, safety risks, and expensive repairs down the road. Hiring a certified professional is the smart move — especially when it comes to brick and mortar work that protects your home.
Don’t Damage the Brick You’re Trying to Save
Chimney bricks face extreme weather, moisture, and temperature shifts. Over time, this wears down mortar joints and weakens the structure. Trying to fix it yourself without the proper tools or knowledge can lead to cracked bricks and structural damage.
At Cas Masonry, we specialize in careful brick removal, brick replacement, and chimney rebuilds that preserve your chimney’s integrity.
Why Mortar Composition Is Critical
Not all mortar is created equal. Using the wrong type — too hard or too soft — can cause more harm than good. The wrong mortar can crack your bricks, trap moisture, and shorten the life of your chimney.
Our experts match the right mortar for each project, ensuring lasting durability and a strong bond between your bricks.
Chimney Repairs Are More Than Surface-Level
What you see on the outside is only part of the issue. Chimneys include internal parts like flue liners, crowns, and flashing — all crucial to proper function. A quick DIY patch might hide problems but won’t solve them.
Our licensed masons assess the entire system to fix issues completely and correctly.
Why Choose Cas Masonry for Chimney Repair?
We're a family-owned, licensed, bonded, and insured company proudly serving Cook, DuPage, Lake, and Will Counties. With decades of hands-on experience, we specialize in:
- Chimney Repair & Rebuilding
- Tuckpointing
- Brick Replacement & Restoration
- Lintel Repair
- Waterproofing & Sealing
When you hire Cas Construction / Cas Masonry, you're choosing craftsmanship, care, and a job done right the first time.
Call for a Free Chimney Repair Estimate Today
📍 Serving Chicagoland residential and commercial clients
📞 Call now or fill out our online form
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Concrete
A construction worker holding a Stihl saw in motion.
Concrete Repair
Concrete repair is the process of restoring and reinforcing damaged, cracked, or deteriorating concrete structures to maintain their strength, durability, and safety. Over time, concrete surfaces can suffer from cracks, spalling, erosion, or structural weaknesses due to weathering, heavy loads, freeze and thaw cycles, and general wear. Professional concrete repair services include crack sealing, resurfacing, patching, reinforcement, and waterproofing treatments to prevent further deterioration and extend the lifespan of driveways, sidewalks, foundations, walls, and other concrete elements. Don’t let damaged concrete compromise the durability of your property contact us today!
What is a Coping?
Coping Repair
Coping repair is the process of restoring and maintaining the protective cap or covering on walls, parapets, and other masonry structures to prevent water infiltration and structural damage. Coping stones or metal caps serve as a crucial barrier against moisture, directing water away from the building and preserving the integrity of brick, stone, or concrete walls.
Professional coping repair involves realigning, resealing, replacing damaged coping materials, and applying waterproof treatments to ensure long-lasting protection. Damaged or deteriorating coping can lead to costly water damages.
Don’t let failing coping put your structure at risk contact us today for expert repair solutions!
Stone slabs that go over a brick or stone wall to prevent the entry of water at the top of a wall.
What is lintel repair?
Rotted decayed lintels that have created jacking on the modular bricks above.
Lintel Repair
Lintel repair is the process of restoring and reinforcing damaged or deteriorating lintels, which are horizontal structural supports placed above windows, doors, and other openings in masonry buildings. Over time, lintels can develop rust, jacking or sagging due to moisture infiltration, corrosion, and structural shifting and swelling of the lintels up to 9 times its size. Professional lintel repair involves removing deteriorated mortar, repairing or replacing the lintel, treating rusted steel components, reinforcing structural integrity, and applying waterproofing solutions to prevent future damage. Don’t wait until cracks spread and water damage seeps — contact us for a thorough inspection and lasting solutions.
Lintel Repair & Beam Restoration: How It Works
How to Repair a Lintel: A Quick Explanation Support Beam Restoration Guide
What Is a Lintel and Why Is It Important?
A lintel is a horizontal structural element that spans openings such as doors, windows, and fireplaces. According to Kreh, (Masonry Skills) lintels play a crucial role in distributing the load from above to the walls on either side of the opening.
Lintels can be made from steel, precast concrete, wood, or stone. If they crack, sag, or corrode, the load above them can shift, leading to cracked brickwork, uneven doorframes, or worse structural collapse.
Common Signs Your Lintel Needs Repair:
- Cracks in the masonry above windows or doors
- Bowing or sagging bricks
- Rust stains on exterior walls (common with steel lintels)
- Sticking doors or warped frames
These warning signs often indicate that the lintel is no longer carrying the load properly.
Step-by-Step Guide to Lintel Repair and Support Beam Restoration
Based on the repair standards outlined in Masonry Skills, here’s how professionals handle lintel restoration:
1. Inspection and Diagnosis
A trained mason first identifies the type of lintel in use and examines its condition. Kreh emphasizes inspecting not just the lintel itself, but also the surrounding masonry for displacement, water damage, and deflection.
2. Temporary Shoring
Before any removal or repair begins, temporary supports (usually adjustable steel props and timber needles) are installed to carry the load. This is essential to prevent further damage or collapse during the repair process.
3. Remove or Clean the Damaged Lintel
If the lintel is salvageable (e.g., surface rust on steel), it may be cleaned, treated with anti-corrosive coatings, and reinforced. If it’s compromised beyond repair, it’s removed carefully to preserve surrounding masonry.
4. Install New or Reinforced Lintel
A new lintel often a galvanized steel angle or precast concrete beam is set into place. Kreh’s method includes checking for full bearing on each side (usually 150 mm minimum), using high-strength mortar or grout to secure the placement.
In some cases, support beams may be reinforced using steel plates or bonded with structural epoxy.
5. Rebuild and Point the Masonry
Bricks or blocks are reset, and mortar joints are repointed to match the existing finish. Proper joint tooling and water sealing are key to prevent future moisture intrusion a major factor in lintel failure.
6. Final Inspection
The restored area is inspected for alignment, load transfer, and finish quality. A properly repaired lintel will not only look clean but will carry the structural load safely for decades.
Don’t Wait to Fix a Damaged Lintel
As Kreh notes, “A failed lintel affects the entire wall system.” Ignoring the issue can lead to escalating structural damage and expensive repairs. Whether you’re maintaining an older brick building or upgrading a home’s facade, catching lintel issues early and fixing them correctly is critical.
Looking for Lintel Repair Services?
If you're searching for “lintel repair near me”, “steel lintel replacement”, or “brick support restoration,” make sure you work with licensed professionals who follow industry standards. A shortcut fix might mask the issue, but a structural failure is never worth the risk.
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Lintel damage causing jacking.