Chimney Roof Repair Services
Chimney Repairs
Everyday Chimney Roof Repairs We Handle

Step Flashings
Step flashing is installed where the roof meets the sides of the chimney, and it’s one of the most common sources of leaks when it’s damaged or missing. If not sealed properly, water can run behind the shingles and into the roof deck, causing hidden water damage. Repairing or replacing step flashing ensures water is directed away from the chimney and safely off the roof.

Back Pan
Located at the base of the chimney where it meets the roof, back pan flashing plays a critical role in directing water around and away from this vulnerable area. If it rusts, cracks, or loosens, water can pool and find its way inside. Replacing or reinforcing the back pan keeps the base watertight and prevents recurring leaks.

Chimney Caps
A missing or cracked chimney cap leaves the flue open to rain, snow, and even pests. Without a secure cap, water can run directly down into the chimney structure, leading to interior leaks and masonry damage. Installing a durable, properly fitted chimney cap provides essential protection against moisture.

Counter flashing
Counter flashing is installed into the mortar joints of the chimney and covers the top edges of step flashing. When it deteriorates or pulls away, water can easily penetrate behind the flashing system. Properly wrapping the chimney with secure counter flashing locks the entire waterproofing system in place and ensures lasting protection.
Our Expertise in Chimney Roof Repairs
At Roof Repair Richmond Hill, our skills extend far beyond sealing cracks or replacing flashing. Many chimney leaks happen because the roof design allows water to collect behind the chimney.
To solve this, we build custom chimney crickets—angled structures that divert water and snow away from vulnerable areas. By reshaping how water flows, crickets prevent pooling, reduce long-term stress on flashing, and provide durable protection that keeps both the chimney and roof watertight.
We also specialize in comprehensive chimney waterproofing systems. This includes reinforcing mortar joints, sealing brickwork to stop absorption, and installing step, back pan, and counter flashing so they function as a single, watertight barrier.
Unlike temporary caulking, our methods are designed to withstand Richmond Hill’s extreme weather. Using thermal imaging technology, we identify hidden moisture and verify repairs, ensuring long-lasting performance and true peace of mind for homeowners.
Our approach
Our Chimney Repair Process
Repairing a chimney leak requires more than a quick patch—it takes the right steps to ensure lasting protection. At Roof Repair Richmond Hill, we follow a proven process to keep your chimney and roof secure.
1. Inspection & Diagnosis
We begin with a full visual and thermal inspection to locate leaks, check flashing, and assess brick or mortar conditions.
2. Targeted Repairs
From replacing step or back pan flashing to installing chimney caps or rebuilding mortar joints, we fix the exact source of the leak.
3. Waterproofing & Protection
Finally, we seal, reinforce, and apply long-term waterproofing solutions, ensuring your chimney stays leak-free through Richmond Hill’s toughest weather.
What Sets Roof Repair Richmond Hill Apart in Chimney Repairs
01.
Specialized Knowledge
We don’t just patch leaks—we understand how chimneys interact with the entire roofing system. From building custom crickets to reshaping water flow, we solve problems at the source.
02.
Advanced Leak Detection
Using thermal imaging and detailed inspections, we identify hidden moisture and separate true leaks from condensation, ensuring no issue is overlooked.
03.
Durable Repairs
Our chimney repair methods—flashing replacement, cap installation, mortar sealing, and waterproofing—are designed to withstand Richmond Hill’s harsh weather and deliver long-term protection.
Chimney Roof Repair FAQ
Homeowners often have questions about chimney leaks and repairs. Below are the most common concerns we hear in Richmond Hill, along with clear answers to help you understand the process.
The most common causes are failed step flashing, cracked or missing chimney caps, damaged back pan flashing, and deteriorated mortar or counter flashing.
Signs include water stains on ceilings or walls near the chimney, damp smells, mold growth, or visible cracks around the chimney base and flashing.
Not always. Sometimes resealing or adding a chimney cap solves the problem, but in many cases, replacing step or counter flashing is the most reliable fix.
Yes. If your chimney is wide, we can build a custom cricket to divert water and snow away, preventing pooling and reducing leaks.
Costs vary depending on the repair. Small fixes like resealing can be a few hundred dollars, while full flashing replacements or cricket installations are more. We always provide upfront quotes.
Our Core Service Areas
At Roof Repair Richmond Hill, our home visits redefine stress-free waterproofing service. No pushy sales, just friendly Richmond Hill chimney repair experts
- Richmond Hill
- Thornhill
- Markham
- New Market