Serving You For Over 46 Years!

Tuesday - Saturday: 10:00am - 5:00pm
Sunday: 11:00am - 4:00pm  
San Francisco’s Trusted Chimney Sweep Since 1977!

San Francisco’s Leading Chimney Service Company & Fireplace Showroom For Over 46 Years! We are the preferred choice!

All About M-Flex Stainless Steel Chimney Liners

If you have a chimney with an old or deteriorating chimney liner, or even with no liner at all, an M-Flex Stainless Steel Chimney Liner may be exactly what you need! Hailed as the original stainless steel chimney liner, M-Flex Stainless Steel liners offer some distinct advantages over other chimney liners. M-Flex liners are made from corrugated stainless steel that expands and contracts as your chimney heats and cools. This helps maintain the integrity of your lining system throughout the burn season.

M-Flex Stainless Steel liners are good for almost any type of fuel source. These sources include:

  • Wood
  • Coal
  • Oil
  • Gas
  • Corn
  • Pellets

M-Flex Stainless Steel Chimney Liners are made from .005” and .006” thick corrugated stainless steel. They are UL listed to UL 1777 standards and come with a lifetime warranty, so you know that you are getting a product that will last as long as your chimney.

Why Is A Chimney Liner Important?

Without a chimney liner your masonry chimney will begin to deteriorate in no time. Most building codes now require a functioning chimney liner, but that doesn’t mean that all chimney liners are created equal. Many older chimneys have a clay tile liner, which can easily become damaged. As your chimney heats and cools, the clay tiles can begin to crack, fracture, and even fall from your chimney’s walls, exposing the masonry underneath. Once this has happened, the integrity of your chimney liner has become compromised and your chimney’s health is put at great risk. It is critical that you have the right kind of chimney liner for your specific chimney and fireplace system. The knowledgeable professionals at London Chimney Services and Fireplace Shoppe can help point you in the right direction.

How Do I Know The Condition Of My Chimney Liner?

If you are having regular chimney sweeping and inspection services performed by a certified chimney sweep, they will be able to tell you the condition of your chimney liner. It is imperative that you have your chimney inspected by a                 CSIA-certified technician — doing so will ensure that you are getting the highest quality service from a knowledgeable professional who will steer you in the right direction. The professionals at London Chimney Services & Fireplace Shoppe can inspect your chimney and install the proper chimney liner to fit your needs.

Call Us Today!

If you aren’t sure of the health of your chimney liner, give the professionals at London Chimney Services & Fireplace Shoppe a call today! We’ll come out and inspect your system and give a comprehensive report on your chimney liner’s health. If you need a new liner, we’ll help you choose the perfect replacement and install it for you! Call us today to find out how we can help you!


Another possibility when it comes to chimney relining issues is HeatShield® for durable and long-lasting results. Find out more when you talk to us.



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(415) 380-0330

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(415) 380-0336


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Awards & Reviews

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Certifications & Associations

Certified Chimney Sweep     National Fireplace Institute Certified
Golden State Chimney Sweep Guild   Contractors State License Board
US Environmental Protection Agency
Hearth, Patio, and Barbecue Association

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"... fast working, efficient, professional and pleasant to deal with."
~ S. Reiter, Mill Valley

“Very prompt, explained what needed to be done – showed pictures. Very thorough. Clean. Nice people to work with.”
~ J. Sinnott, San Francisco

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Service Products

       Chimney Inspection Camera System Bernard Dalsin Manufacturing National Chimney is a leading manufacturer of chimney liners, liner kits, caps, chase covers DuraVent is a recognized technological leader in the chimney venting industry. Help draft wood burning fireplaces & woodstoves, gas log fireplaces, pellet stoves, with vent fans CHAMBER-TECH 2000 is the answer to those rough, deteriorated, uninsulated and improperly formed smoke chambers Smoktite is a highly insulative ceramic product that is used to seal, smooth and insulate chimney smoke chambers without removing the damper frame or adjacent brickwork HeatShield® is a chimney liner repair system that eliminates the hazards and draft problems caused by gaps, cracks and spalling in otherwise sound masonry chimneys. Superior Clay Corporation produces and designs components for masonry fireplaces in a complete range of styles and sizes. Flexible, scalable and custom solutions offer high performance and efficiency without sacrificing on indoor air quality.

Hearth Products

      fireplace x Lopi European Home element4 Regency Fireplace Hearthstone Stoves Hargrove Gas Logs American Fyre Designs Portland Willamette Pilgrim Hearth Majestic Fireplaces DaVinci Custom Fireplaces Travis Industries The House of Fire Tempest Torch Outdoor Gas Lamps adn Lighting