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Chimney Relining With Stainless Steel

The Traditional Solution For Chimneys With Damaged Or Missing Terra Cotta Flue Tile Liners

Who ever heard of “relining” a chimney with stainless steel, and why would anyone want to go through the expense and trouble to do it?

Often, chimney professionals will recommend that a masonry chimney be relined with a new stainless steel liner because the chimney is potentially unsafe for one of following three main reasons:

1. Damaged Flue Liner: It has been determined that your masonry chimney’s terra cottal flue liners are cracked, damaged or unsafe, A damaged terra cotta flue liner could cause a fire or leak carbon monoxide into your home!

2. Unlined Chimney: If your chimney has no liner at all! Burning fires in an unlined chimney can also be a very dangerous proposition! Once again, the possibility of an accidental fire or carbon monoxide leakage, not to mention poor chimney draft performance and several other undesirable realities are associated with using an unlined chimney!

3. Unlined Wood Stove Insert (Slammer): If you have a wood burning stove insert that was just pushed into the fireplace without it’s own separate stainless steel liner, you should have a stainless steel liner installed! While just shoving the stove into the fireplace used to be accepted as the proper installation technique in the 80’s, years of accidents leading to loss of life and property have taught the hearth industry that burning fires in an unlined wood stove insert (aka “slammer”) is not a good idea!

If one of the three situations above describes your chimney, A to Z will recommend you have a new, fully insulated, stainless steel flue liner installed.

Relining a masonry chimney properly is a precise and exacting process with many steps. Because the slightest oversight could be disastrous, wise homeowners insist that only qualified and licensed companies who specialize in repairs of this nature are hired to reline their chimney!

In order to further educate you, we have taken the time to outline the steps taken during a typical relining repair.

Broken flue tiles can be removed through this neatly cut hole.

Broken flue tiles can be removed through this neatly cut hole.

Broken flue tiles can be removed through this neatly cut hole.

Specialized tools are used to cut out the damper and firebox back wall.

Specialized tools are used to cut out the damper and firebox back wall.

1. A hole is cut into the backside of the smoke chamber area or the damper and back wall of the firebox are removed.

AtoZ's technicians are pros when it comes to removing damaged flue tiles!

AtoZ’s technicians are pros when it comes to removing damaged flue tiles!

2. The chimney crown is removed and the flue tiles are broken apart and removed one at a time essentially gutting the inner chimney while leaving the outside chimney structure intact.

Stainless steel liner being installed from the top.

Stainless steel liner being installed from the top.

Stainless steel liner being installed from the bottom.

Stainless steel liner being installed from the bottom.

3. A properly-sized and fully-insulated stainless steel liner is installed into the chimney (inserted either from the top down or from the bottom up).

Smooth parging reduces friction and turbulence, thus improving your chimney's draft performance.

Smooth parging reduces friction and turbulence, thus improving your chimney’s draft performance.

4. The bottom of the new stainless steel liner is seamlessly joined to the existing system by parging the smoke chamber with Chamber Tech 2000.

Rather than pouring your crown with a cheap $5 bag or mortar, AtoZ Chimney only uses CrownSaver to pour it's new crowns!  This fiber reinforced and waterproofed portland cement is the pinnacle of doing the job right the first time!

Rather than pouring your crown with a cheap $5 bag or mortar, AtoZ Chimney only uses CrownSaver to pour it’s new crowns! This fiber reinforced and waterproofed portland cement is the pinnacle of doing the job right the first time!

5. A new flue tile is installed at the very top of the chimney (for aesthetic purposes) and a new crown is poured using Crown Saver fiber-reinforced waterproof cement mix.

This newly installed rear access door will make future cleanings or maintenance easier!

This newly installed rear access door will make future cleanings or maintenance easier!

Firebox being rebuilt.

Firebox being rebuilt.

6. A rear access door is installed or the back wall of the firebox is partially re-built.

Chimney diagram showing different components of a typical masonry chimney.

Chimney diagram showing different components of a typical masonry chimney.

This diagram shows how a stainless steel liner should connect to the wood stove insert, and extend the entire height of the chimney.

This diagram shows how a stainless steel liner should connect to the wood stove insert, and extend the entire height of the chimney.

Your chimney may be the perfect candidate for relining with HeatShield®. The pros at A to Z can advise you if this chimney repair is for you!


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Dear A to Z,

I just wanted to respond to your follow up email and let you know how impressed I was with the young man who cleaned my dryer vent! He was neat, in uniform, and I could tell he knew his job well. He even took, the time to educate me as to how and why dryer vents get dirty / clogged, and why it’s a major safety hazard….I knew a dirty vent could be dangerous, but didn’t know it could be THAT dangerous!

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