If your chimney flashing shows signs of wear, leaks, or water infiltration, your home could face serious damage. Properly installed flashing keeps water out where the chimney meets your roof, protecting your ceiling, wood structures, and roof from rot, mold, and costly repairs.
At GMT Home Services, our CSIA-certified experts specialize in chimney flashing repair and replacement. We provide full-service chimney care to keep your home safe and protected for years to come.

Damaged or old flashing can create serious problems for your chimney, liner, and roof system. Timely repairs keep your home watertight and prevent expensive damage. Key benefits include:
“Snow and ice can worsen damaged chimney flashing. Schedule a repair with GMT Home Services to prevent leaks and water damage this winter.”

We follow a thorough approach using all the necessary tools and safety gear to deliver high-quality results:
“With Connecticut’s wind-driven rain and storms, your existing chimney flashing needs attention. Call GMT Home Services for professional flashing repair today.”

We go beyond flashing to protect your home from extreme weather and water damage:

When searching for chimney flashing repair contractors or flashing repair around chimneys, GMT Home Services stands out because:
Don’t let old flashing or minor leaks cause water damage to your home. For chimney flashing repair, flashing replacement, or any other chimney repair, trust GMT Home Services to deliver properly installed, watertight flashing with all the necessary tools and expertise
Chimney flashing is the protective barrier installed where your chimney meets the roof deck. It prevents water infiltration, leaks, and wood rot around your masonry chimney. Properly installed flashing, including step flashing and counter flashing, ensures your chimney and roof remain watertight during heavy rain or extreme weather.
Signs you may need chimney flashing repair include leaks, cracks, water stains on the ceiling or walls, damaged mortar joints, old flashing, or flashing that is lifting or separating. Regular annual inspections can help detect issues before further damage occurs.
While small caulking jobs are sometimes manageable, repairing chimney flashing requires accurate measurements, proper sheet metal, and roofing cement to create a watertight seal. Certified technicians at GMT Home Services use all the necessary tools and safety gear to safely replace chimney flashing or repair damaged chimney flashing.
The chimney flashing repair cost varies depending on the extent of damage, the flashing material, and whether you need to replace flashing entirely. Minor flashing repairs can be cost-effective, while replacing existing chimney flashing or addressing water damage may increase costs. GMT Home Services provides transparent pricing with free estimates.
Yes. Old flashing or flashing that is not properly installed can lead to water infiltration, wood rot, damaged mortar joints, leaks into the ceiling, and even deterioration of the chimney crown or chimney liner. Timely flashing repairs help prevent further damage and costly chimney repairs.
Most chimney flashing repairs can be completed in a day if there is no extensive water damage. Replacing flashing or repairing a damaged chimney may take longer, especially when roof replacement or structural chimney repairs are required. Our team ensures final inspections and properly installed flashing for lasting results.
Regular maintenance is key to avoiding leaks and water damage. Schedule annual inspections, clean debris from chimney caps and step flashing, check for cracks in roofing cement or caulking, and ensure your shingles surrounding the chimney are intact. Prompt flashing repairs protect your fireplace, roof, and home structure.
EXCELLENT Based on 356 reviews Posted on Daniel JacobTrustindex verifies that the original source of the review is Google. GMT Chimney Services did an outstanding job installing a new liner in my chimney. Their price was nearly half of what other companies quoted, and the work was excellent. My chimney wasn’t drafting correctly, which caused my water heater to break. After the liner was installed, the issue was completely resolved. Highly recommend for their fantastic work!Posted on Gary SandersonTrustindex verifies that the original source of the review is Google. Outstanding service with Joe he was very helpful and I would recommend gmt and JoePosted on Kevin HealyTrustindex verifies that the original source of the review is Google. We had Joe work on a gas fireplace in our new home. He was prompt, polite, and a pleasure to deal with. I would absolutely use this company again and felt he went above and beyond to assist usPosted on josh aTrustindex verifies that the original source of the review is Google. 3.5 stars Not the worst not the best experience.. the guys that came and did inspection were great and knowledgeable, the guys that came and did the liner were also great.. Juan that came to check out my fireplace and put on the caps was excellent.. the guys that came and did the pointing, and outside work did ok work but didnt communicate with us... never rang doorbells or gave us calls, not good communication.... this comapny expect you to be home almost at all times says they will work with you in times so, scheduled a day to come work and needed someone to be home wife took day off and they tried to tell us no one was home didn't even knock or ring door bell... just left tried to tell us no one was home and that they rang door bell and knocked.. we have cameras and ring door bell and wife took day off.. one week goes by no calls nothing gave us 30 min notice called abut 9a.m to show up around 930... again the workers were all pretty good but the communication between them the lady in the office and home owners should be better.. she Called and asked for payment job wasn't complete.. caps were not install.. Juan came out again was great did what he had to do and bill was paid.. I'd love to use them again for a cleaning because the work was ok and some of the guys doing the work. But they need to realize that people work for a living and cant be home at all times and some of the workers and the office need to be able to communicate with the home owners and possibly each other a bit better.. the pricing was average better then some others and work was overall ok.. if your someone that can be home often this company will be perfect for youPosted on MariaTrustindex verifies that the original source of the review is Google. Joe was fantastic and very quick! Looking forward to using this service again!Posted on Toby CarotenutoTrustindex verifies that the original source of the review is Google. Very good service, installed a liner in a few hours. Very professional. Would use again!Posted on saikiran sikaTrustindex verifies that the original source of the review is Google. Nice workPosted on Ravi GopieTrustindex verifies that the original source of the review is Google. Joe came to check my fireplace since I wanted to make sure I was good for the season before lighting it. He did a wonderful job of explaining that the fireplace was safe to use this year and advised me of when to contact them for a cleaning. He checked the firebox, and explained what was happening in the flue. I will certainly be calling GMT again for my future cleanings because of this interaction. Joe was friendly and warm, and did a great job explaining how to use the fireplace.Posted on אילן חרוביTrustindex verifies that the original source of the review is Google. Great service! Joe is a real professional. Very thorough and with a lot of patience. Recommend with all my heartPosted on Krushna PatiTrustindex verifies that the original source of the review is Google. I would highly recommend GMT services. Joe is not only very professional and knowledgeable as well as respectful of time. The fact he got the job done within minutes shows how experienced he is.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more