A damaged or aging chimney is not only a structural risk — it’s a serious safety hazard. At On Top Masonry & Construction, we provide expert chimney repair, repointing, rebuilding, crown replacement, and waterproofing services for homeowners across New Jersey. With over 20 years of experience, we handle everything from minor repairs to full chimney reconstruction using top-quality materials built to withstand NJ’s harsh winter freeze–thaw cycles, coastal salt air, heavy winds, and year-round moisture.
Whether your chimney is cracking, leaning, leaking, or deteriorating from weather exposure, our professional masons deliver safe, durable, and long-lasting chimney solutions with unmatched craftsmanship.
NJ chimneys face
These conditions accelerate chimney deterioration. Regular inspections and repairs prevent costly structural problems.
Below is an overview of our full chimney repair and restoration services.
New Jersey weather causes mortar joints to weaken over time, leading to cracks, gaps, and water penetration. We restore your chimney’s strength by Removing deteriorated mortar, installing fresh, high-strength mortar, matching color & texture for a seamless finish. Repointing prevents structural damage and extends your chimney’s lifespan.
Loose, spalling, or cracked bricks compromise safety and appearance. We repair crumbling bricks, Weather-damaged bricks, Missing or loose brickwork, and Structural weaknesses in the chimney stack. We always match replacement bricks for a uniform appearance.
A damaged chimney crown allows water to enter the chimney system, leading to costly internal damage. We provide: Crack repair, Crown sealing, Full cement crown replacement, Weather-resistant crown upgrades. A strong crown is essential for long-term chimney protection.
Water is the #1 cause of chimney deterioration. Our waterproofing application protects brick and mortar, prevents mold and moisture intrusion, stops freeze–thaw damage, and extends chimney lifespan significantly. We use breathable, professional-grade sealants designed for NJ homes.
Leaking flashing is one of the biggest causes of roof and chimney leaks. We repair or replace flashing to stop water entry at the roofline, prevent mold & interior damage, and Seal vulnerable areas around the chimney. We use durable aluminum, copper, or galvanized steel flashing.
If smoke enters your home instead of rising through the chimney, there may be: Flue blockages, Liner cracks , Drafting issues , Chimney structure problems. We diagnose and correct these issues safely and efficiently.
A quality stainless-steel chimney cap prevents Rain penetration, Snow buildup, Birds and animals entering, and Debris blockage. A small investment that prevents major chimney repairs.
If your chimney is severely damaged or leaning, rebuilding is necessary for safety. We rebuild Chimney stacks, Upper chimney sections, Full chimney structures, Historic & modern-style chimneys. Our rebuilds are engineered for strength, longevity, and weather resistance.
We repair and rebuild chimneys across New Jersey, including
Wherever you are in New Jersey, we’re ready to help.
We prioritize safety, durability, and customer satisfaction with every chimney project.
20+ Years of chimney repair experience
Skilled masons specializing in brick, block & stone
High-quality materials designed for NJ winters
Honest inspections and transparent pricing
Fully licensed & insured
Emergency chimney services available
Contact us immediately if you see any of the following
If your chimney is cracked, leaking, leaning, or showing signs of wear, do not wait — early repair can save you thousands.
