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Chimney Leak Repair and Metal Flashing: Securing the Integrity of Your Chimney

Chimney leaks can be detrimental to the structural integrity of your chimney and, consequently, your entire home. One of the main contributors to chimney leaks is the malfunction or deterioration of metal flashing. In this article, we will address the importance of prompt chimney leak repair and the critical role that metal flashing plays in safeguarding your chimney against water infiltration.

Understanding Chimney Leaks

Chimney leaks can occur due to various reasons, such as a cracked chimney crown, damaged chimney cap, or worn-out flashing. When water enters your chimney, it can cause a plethora of issues including mold growth, rot, and structural damage to the chimney and adjacent areas in your home.

The Role of Metal Flashing

Metal flashing is an essential component that protects the chimney from water leaks. It is installed where the chimney meets the roof, creating a waterproof barrier that prevents water from seeping into the joints. It’s an assembly of metal sheets that are designed to move independently of the chimney and the roof, accommodating their distinct thermal expansion rates.

Common Issues with Metal Flashing

1. Improper Installation

If the metal flashing is not installed correctly, it may not create a watertight seal, leading to leaks.

2. Corrosion and Deterioration

Over time, the metal flashing can corrode or deteriorate, especially if it’s made from a material that’s not resistant to rust.

3. Separation from Chimney or Roof

Flashing can separate from the chimney or roof due to harsh weather conditions or the house’s natural settling.

4. Punctures and Tears

Physical damage to the flashing from debris or storms can create openings for water to penetrate.

Addressing Chimney Leaks and Metal Flashing Issues

1. Regular Inspections

Regular chimney inspections can help in the early detection of leaks or issues with the metal flashing. It is recommended to have your chimney inspected at least once a year.

2. Flashing Replacement or Repair

If the metal flashing is corroded, torn, or improperly installed, it may need to be repaired or replaced by a professional.

3. Sealant Application

In some cases, applying a waterproof sealant around the area where the chimney meets the roof can solve minor leakage problems.

4. Addressing Other Leak Sources

Ensure that other components like the chimney crown and cap are in good condition, as they can also be sources of leaks.


Chimney leak repair and proper maintenance of metal flashing are essential for the longevity and safety of your chimney. By understanding the vital role that metal flashing plays and addressing issues promptly, you can protect your home from the damaging effects of water infiltration. Consulting a professional chimney service for regular inspections and repairs is an investment in the structural integrity of your home.

Fireplace Safety 101

You can see chimney crown’s as the guardian. It is that one thing that could protect it against the pouring rains or the heating sun.

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Roheem JohnsonRoheem Johnson
19:39 22 Oct 22
As a homeowner, I am always looking for ways to save money and be more environmentally responsible. Chimney Sweep Houston is the perfect solution! They are professional and thorough and their process is eco-friendly. I would highly recommend them to anyone!
Trend GhosneTrend Ghosne
22:59 21 Aug 22
Once a month, I used to get a headache. I was using the fireplace every day, so I called Chimney Sweep Houston. They did an amazing job!..
Pam JacksonPam Jackson
01:27 23 Mar 22
The technician was prompt, polite and efficient. He did a great job and left my house very clean. I would recommend.
Tom WalkerTom Walker
16:31 02 Mar 22
We just bought the house and we wanted to make sure everything is good. So we cleaned the chimney, the air duct and the dryer vent. We used a the bundle they offer on the website for air duct cleaning and chimney cleaning for 250 and then paid some extra for the dryer vent.
Audie DeweyAudie Dewey
11:30 25 Feb 22
Good service, the job looks great, I got both chimney and air duct cleaning. I’ve seen before and after pictures and there is a big difference. Will gladly call them again next year
Joseph McBrideJoseph McBride
14:16 23 Feb 22
I’m very happy with the job they’ve done. I got quotes from another 2 companies, while they all had pretty much the same prices, Chimney sweep Houston definitely felt the most professional. I chose to go with them to repair my cap and replace the chimney chase, and I’m glad I did!
Coral PerezCoral Perez
17:21 14 Jan 22
Unfortunately, because of a whole lot of different reasons (ALL ME) I was not able to use this business but when I say that they were patient with me, I mean.... THEY WERE PATIENT AND KIND. I scheduled, canceled then scheduled and then canceled again. Then scheduled again, and the day of, I had to cancel again. Rebeca and her crew were already on the way to my house when I had to cancel on them and they were incredibly kind. I did not use their business, not because of them but because of ME. Chimney Sweep Houston has fantastic customer service and hopefully, in the future, when my situation is a little more under control, I will call them again, no doubt about it. And I will be right back here, ready to write what I'm sure is going to be a great work review. Thank you Chimney Sweep Houston for your kindness. GBY
Shalom AfraimianShalom Afraimian
19:29 05 Jan 22
I needed both chimney cleaning and chimney inspection for a property I'm selling, the buyer requested it.These guys came quick, cleaned the chimney and gave me an inspection report stating it's safe to use and all parts are functioning. The buyer's inspector says there was an issue with the fireplace damper, they made it work with no extra charge.Will gladly call them again in the next property
Danny ThomasDanny Thomas
23:24 31 Dec 21
Quick to schedule. A little pricey. Very pleasant, and seemed thorough. Will have them back for future service. They cleaned fireplace and swept flue and confirmed fire/gas function. Checked from roof to floor including attic, and showed me the video.
Dr. Sarah BrownDr. Sarah Brown
02:49 14 Dec 21
Amazing job! They came to clean my chimney. They spent time to make sure they got everything (had never been cleaned before…I was a new homeowner and the prior owners never cleaned the chimney in the 30 years they lived there)! Super professional and very professional. They made sure they cleaned up and left my house the way they found it. They taped off everything around the chimney so none of my stuff got soot anywhere. I will definitely hire again when I need another cleaning and would recommend to everyone!
Kaedence SmithKaedence Smith
20:18 05 Dec 21
Raphael and his assistant were very professional and explainatory of the entire process. They covered everything and did a great job! It took just close to an hour for the cleaning. I’m thankful for the completion and will definitely use “All Service Master” for future cleanings!Thank you Raphael and your assistant. ?
עמרי ינוןעמרי ינון
06:01 28 Nov 21
The service was great, the technician arrived on time with warm and patient attitude. Unlike others, I was shown pictures, the prices were accurate and also fair and every question I had on any subject was answered in detail. To sum things up, I am very satisfied with the service given to me. :)

Our Services

Chimney Cleaning

- Chimney Sweeping
- Chimney Deep Cleaning
- Chimney Disinfaction
- Fireplace Cleaning
- Chimney Animal and Nest Removal

Chimney Inspection

- Chimney and Fireplace Troubleshooting
- Chimney Cap Inspection
- Chimney Crown Inspection
- Chimney Chase Inspection
- Chimney Leak Inspection
- Fireplace Inspection
- Damper Inspection

Chimney Repair Houston

- Fireplace Repair and Restoration
- Chimney Leak Resolution and Brick Repair, Including Waterproofing and Pressure Washing Services
- Chimney Cap Repair and Replacemant
- Chimney Chase Repair and Replacemant
- Chimney Crown Repair and Sealing
- Fireplace Damper Repair
- Leak Repair and Metal Flashing

Why Choose Us

Experienced Technicians

Our in-house training program insures all of our technicians are well prepared for any job, in addition to any formal training the technician already had.  Our pros are equipped with the best tools, experience, and support to ensure every air duct cleaning appointment goes smoothly. Same-day service is available!

100%-Satisfaction Guarantee

We are here to provide you with affordable, quality service that saves you money and help you avoid Recurring issues. Once you schedule an appointment, our experienced professionals will meet with you to analyze your home or business property, and identify your specific needs. In case you are not satisfied with the service – you’ll get your money back!

First-Class Customer Service

Our dedicated staff will provide you with a solution to any problem in your chimney system. If a problem arises for any reason
we will send you a technician right away! customer satisfaction is our ultimate goal!


"Professionalism, Punctuality, Quality, Responsiveness, Value"

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