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Half of Alameda’s Houses Have Unlined Chimneys: Are You At Risk?

Here’s a startling fact: half of the houses in Alameda have unlined chimneys. But what does this mean for you? Simply put, an unlined chimney is a threat to your home’s safety. The absence of a liner poses significant risks – risks that every homeowner should be aware of.

This blog serves to educate our readers on understanding the potential consequences of unlined chimneys, identifying if their homes are at risk, and taking the necessary steps to protect themselves and their loved ones.

Why Liners Matter

Let’s define it first:

A chimney liner, also known as a flue liner, is a conduit made of clay, metal, or ceramic that lines the inside of a chimney. Its primary purpose is to contain the combustion products, direct them to the outside atmosphere, and protect the chimney walls from heat and corrosion.

Understanding the important role of chimney liners is essential for every homeowner. Here’s a deeper dive into why they matter so much:

  1. Heat Transfer Prevention: One of the primary functions of a chimney liner is to act as a shield, preventing the intense heat generated from your fireplace from directly impacting the surrounding structures of your home. Without this barrier, the heat can transfer to wooden parts of your home’s structure, dramatically increasing the risk of fire.
  2. Protecting Masonry from Corrosion: Burning wood or gas in your fireplace produces various byproducts, including acids and gases. Over time, these can erode the internal masonry of your chimney. A liner protects the bricks and mortar from this corrosive damage, prolonging the life of your chimney and maintaining its structural integrity.
  3. Improving Fireplace Efficiency: Liners can improve the draft of your fireplace, meaning it pulls air in and out more effectively. This not only makes your fireplace burn more efficiently but also helps in reducing the buildup of harmful gases like carbon monoxide.
  4. Preventing Toxic Gas Leakage: One of the more insidious dangers of an unlined or damaged chimney liner is the risk of carbon monoxide and other harmful gases seeping into your home. A well-maintained liner ensures these gases are safely vented out, maintaining the air quality inside your home.
  5. Compliance with Safety Standards: Modern building codes often require chimney liners for safety reasons. Having an unlined chimney can not only put you at risk but may also be a violation of these codes, potentially leading to legal and insurance complications.
  6. Tailored to Your Needs: Chimney liners come in different materials – metal, clay, and cast-in-place – each suited to different types of fireplaces and fuels. This customization ensures that your fireplace operates safely and efficiently.

Identifying Your Chimney’s Status: Lined or Unlined?

How to Know for Sure

Determining whether your chimney is lined or unlined can be tricky. Here’s how to approach it:

  • Professional Inspection: The safest and most accurate way to know is through a professional chimney sweep service. They use specialized camera equipment to inspect your chimney’s interior thoroughly.
  • Visual Clues: Older homes, especially those built before the mid-20th century, are more likely to have unlined chimneys. Look for signs of wear and tear or damage to the chimney structure.

The Risks of Ignoring Unlined Chimneys

Playing with Fire

Ignoring the state of your chimney isn’t just negligent; it’s downright dangerous. An unlined chimney significantly increases the risk of house fires. The heat from your fireplace can easily transfer to exposed parts of your home, leading to disastrous outcomes.

In unlined chimneys, risks are compounded by the gradual degradation of the chimney’s masonry. The intense heat and corrosive byproducts of burning fuel can accelerate the deterioration of the mortar and bricks. This degradation not only compromises the structural integrity of the chimney but also increases the risk of fire and gas leaks.

Health Hazards

It’s not just about fire risks. Unlined chimneys can also lead to health issues. Without a liner, toxic fumes, like carbon monoxide, can seep into your living spaces instead of being safely vented out.

Taking Action: Ensuring Your Chimney is Safe

Step 1: Inspection

The first step is to get your chimney inspected by professionals. This is not a DIY task – it requires expertise and the right tools.

Step 2: Repair and Upgrade

If your chimney is unlined or the existing liner is damaged, it’s crucial to get it repaired or upgraded. Chimney liners can be made from clay, metal, or cast-in-place materials, each with its own benefits.

Step 3: Regular Maintenance

Even if your chimney is lined, regular inspections are key. Over time, liners can also suffer from wear and tear and may require repairs or replacement. Regular chimney maintenance is not just a safety measure; it’s an investment in the longevity and efficiency of your home heating system.

Here’s what this maintenance typically involves:

  1. Annual Inspections: The National Fire Protection Association (NFPA) recommends that chimneys, fireplaces, and vents be inspected at least once a year. This inspection should be conducted by a certified chimney professional who can assess the condition of the chimney liner and other components of the chimney system.
  2. Cleaning: Depending on the type of fuel used (like wood, gas, or oil), soot, creosote, and other deposits can accumulate on the liner. These deposits reduce the efficiency of your chimney and pose a significant fire hazard. Regular cleaning, usually performed during the annual inspection, helps remove these deposits and maintains a clear passageway for smoke and gases.
  3. Checking for Damage: Over time, chimney liners can develop cracks, gaps, or other forms of deterioration. This is particularly common with clay tile liners but can also occur with metal or cast-in-place liners. Damage can be caused by excessive heat, moisture, structural shifting of the home, or just age. During maintenance, the professional will check for such damage.
  4. Complete Replacement: In cases where the liner is extensively damaged or outdated, a complete replacement may be necessary. This is a more significant undertaking and should be done by experienced professionals. The choice of liner material will depend on the type of heating appliance, the fuel used, and the specific configuration of your chimney.
  5. Monitoring Performance: Homeowners should be attentive to the performance of their fireplace or heating system. Any changes, such as decreased efficiency, unusual smells, or visible smoke inside the home should prompt an immediate inspection.
  6. Awareness of Changes in Standards and Regulations: Building codes and safety standards can change over time. Regular maintenance checks can ensure that your chimney system remains in compliance with the latest regulations.
  7. Keeping Records: Keeping records of all inspections, cleanings, and repairs is a good practice. This documentation can be helpful for warranty purposes, resale of the home, and for your own reference to track the condition of your chimney over time.

Regular maintenance of your chimney liner is not just about preventing fires; it’s about ensuring the overall health and efficiency of your home’s heating system. By staying on top of maintenance, you extend the life of your chimney, improve the air quality in your home, and ensure a safer living environment.

The Bottom Line: Safety First

The risks associated with unlined chimneys are too significant to ignore. It’s not just about complying with safety standards; it’s about protecting your home and loved ones.

Here’s where experts like The Irish Sweep come into the picture. With years of experience and the latest technology, we offer comprehensive chimney services – from inspection to repair and maintenance.

Why Choose The Irish Sweep?

  1. Expertise: We have the skills and knowledge to accurately assess and address chimney issues.
  2. Technology: We utilize the latest tools for thorough inspections and repairs.
  3. Customer Focus: Our commitment to customer satisfaction ensures that your chimney is not just fixed, but your peace of mind is restored too.

Contact The Irish Sweep for a professional chimney inspection and necessary upgrades. We’re more than a service provider; we’re your partner in ensuring a safe and cozy home environment.

Don’t lose your family heirlooms to fire!!!

The US Fire Administration reported 15,600 structural fires, 15 deaths and 400 injuries because of lint build up in the venting system of gas and electrical residential dryers.

The Chimney Safety Institute of America recommends that a Certified Dryer Exhaust Technician perform a duct inspection and cleaning on an annual

basis which in the long run saves money because of increased efficiency of the dryer and decrease of wear on your appliance.

SIX WARNING SIGNS THAT YOUR DRYER EXHAUST VENTS NEED TO BE CLEANED

1.  Longer than normal drying time

2.  Reduced performance

3. You see lint coming out of the dryer vent opening

4.  Burning smell when your dryer is running

5.  Dryer feels hot on the outside

6.  You haven’t had your dryer vent cleaned in over 1 year.

STRIKE WHILE THE IRON IS HOT AND YOUR CHIMNEY IS COLD…

Seize the moment!

Those with wood-burning fireplaces take note! Have you heard about the most recent new proposal to be mandated by the (BAAQMD) Bay Area Air Quality Management District? In a nutshell, there is a strong push toward the elimination of fireplaces.

As a result, if you are considering the installation of a set of artificial gas logs or a gas-burning fireplace insert, seize the moment NOW, especially if you are considering relocating in the near future.

The Time is NOW!

As we move toward September, Bay area retail stores and professional chimney installers will be overwhelmed and those dreams to have an installation completed by the Holidays may not become a reality. This is YOUR MOMENT to be pro-active. So before that little cold nip of fall air puts a shiver in your spine, start planning.

4 Guidelines to help with your Chimney decisions

  1. Any time a fuel source is changed in a fireplace, for example, wood-burning to a gas conversion, the chimney must be cleaned.
  2. If the plan is to install as set of artificial gas logs, an inspection of the interior surfaces of the chimney is required to determine the worthiness of the clay liners inside the chimney and their related mortar joints.
  3. If the chimney fails the inspection, you might want to consider your options which could include installing a stainless steel liner in the chimney that will support that set of logs or installing a gas-burning or wood-burning fireplace insert.
  4. It might also be time to consider the seismic liability of your chimney.

The BAAQMD is on the move. There is a proposed mandate coming down the pipeline and all Bay Area residents who love their open wood-burning fireplace should take notice. If the proposal is approved, this will be a requirement on all home sales; Please check our website www.theirishsweep.com regularly for updated information.

The Irish Sweep offers complete installation of artificial gas logs or fireplace insert. Contact us today to schedule your install at 510-521-4088.

UPDATE TO REGULATION 6, RULE 3, PROPOSED AMENDMENTS

Information gleaned from www. baaqmd.gov

Sole source of heat:
A wood-burning device may be used during a mandatory burn ban if the device is the only source of heat in a residential dwelling and the device is EPA certified. A person claiming

this exemption is required to register the EPA certified device in the District’s registration program and submit records to the District for verification.
(Effective November 1, 2016)

Non-Functional, Permanently Installed Heating Device:
Residential dwellings (excluding commercial and residential rental properties) that have a non-functional, permanently installed heating device may receive a temporary exemption from a mandatory burn ban if repairs are completed in 30 days and submission of all repair documentation is submitted to the District within 10 days of completion.
(Effective November 1, 2015)

Loss of Electric Power and/or Natural Gas:
The use of a wood-burning device is allowed during a mandatory burn ban when there is loss of electric power and/or natural gas as determined by the utility service providers.
(Effective November 1, 2015)

Mandatory Burn Ban:
A mandatory burn ban is declared to prevent regional wood smoke accumulation when a PM2.5 level is anticipated to exceed an unhealthy level within the next 3 days.

Update to the above:
A mandatory burn ban is declared when a negative impact upon public health is anticipated resulting from PM2.4 levels forecast to exceed 35 mg/m3. “Mandatory Burn Ban” will replace “curtailment period.” (name change)
Staff determined that Rule 6-3 already allows the District flexibility to declare Winter Spare the Air Alerts 2 – 3 day sooner to prevent unhealthy air from occurring and it is not necessary to amend the regulatory requirements of this section.

Sales and Manufacturing of Wood Heaters:
All new EPA certified wood-burning devices manufactured and sold must meet or exceed new NSPS standards:
• Effective 60 days after new NSPS standards are published in the Federal Register:
o 4.5g/hr for catalytic and non-catalytic stoves using crib test or cordwood test. If cordwood testing is conducted, the manufacturer must supply the emissions test method to EPA and the test method must be approved.
o Effective 5 years after the date of the final rule, the following new NSPS standards apply:
2.0 g/hr for catalytic and non-catalytic stoves using crib test.
2.5 g/hr for catalytic and non-catalytic stoves using cordwood test. The manufacturer must supply the emissions test method to EPA and the test method must be approved.
Wood stove retailers will be allowed to sell existing inventory of EPA certified devices rated 4.6 g/hr – 7/5 g/hr until December 31, 2015.

Sale or Transfer of Real Property has been changed to Disclosure Requirements for Real Property:
Real estate property may not be sold or transferred if it includes an uncertified wood-burning device. The seller may decommission the uncertified device or may replace it with gas-fueled, electric, or EPA Certified devices that meet or exceed new NSPS standards.
(Effective November 1, 2016)

Update to the above:
Removed Proposed “Point-of-Sale” Requirement
The “point-of-sale” requirement has been changed to require disclosure documents upon sale or rental of real property to disclose health hazards of PM2.5
(Effective November 1, 2015)

Fireplace or Chimney Remodels:
Upon remodeling a fireplace or chimney, an uncertified wood-burning device must be replaced with a device that is gas-fueled, electric or EPA certified that meets or exceeds new NSPS standards. This requirement is triggered by any fireplace or chimney remodeling activity that requires a local building permit.
(Effective November 1, 2015)

Update to the above:
Upon remodeling a fireplace or chimney, an uncertified wood-burning device must be replaced with a device that is gas-fueled, electric or EPA certified if the remodel cost exceeds $15,000 and requires a local building permit.
(Effective November 1, 2016)

Commercial and Residential Rental Property has been changed to Rental Properties with Natural Gas Service:
All commercial and residential rental properties must have an alternate form of heat that does not burn solid fuel and all wood-burning devices must be EPA certified or be replace with gas-fueled or electric devices.
(Effective November 1, 2016)

Update to the above:
Removed proposed requirement that all rental properties must replace wood-burning devices with gas-fueled, electric or EPA certified devices.
All rental property in areas with natural gas service must have an alternate from of heat that does not burn sold fuel.
(Effective November 1, 2018)

New Building Constructions:
New building constructions may only install gas-fueled or electric devices. Installation of devices that burn solid fuel is prohibited.
(Effective November 1, 2015)

Update to the above:
Only the date has been changed.
(Effective November 1, 2016)

Visible Emissions Limitation:
Following a 20 minute start-up allowance for new fires, visible emission of grater than 20% opacity and aggregate to 3 minutes in any hour is considered an exceedance of the standard.
(Effective November 1, 2015)

Registration:
Registration – All residential properties claiming Only Source of Heat Exemption must have a registered EPA certified device.
o Type of Device(s)
o # of Device(s)
o Make, Model and Serial # of Device(s)
o Manufacture Date(s)
(Effective November 1, 2016)

DAMPER – WHAT IS IT?

DAMPER:  The Chimney Safety Institute defines this word as, “A valve, usually a moveable or retractable plate for controlling the flow of air or smoke.”

Webster’s Dictionary defines it as, “ A valve or plate (as in the flue of a furnace) for regulating the draft.”

Many fireplaces have a damper blade located at the top of the firebox that is opened when a fire is to be lighted or closed once a fire has been suppressed.  During the colder months of the year it is ideal to close the damper when the fireplace is not in use, as that closed damper will help to keep the cold air outside the home while helping to keep the warm air in the home.  This saves money for the homeowner and prevents the warm, heater air from rising up the chimney and out of the home.

Not all but most dampers operate like a drawer.  When the damper handle is pushed in towards the back-wall of the firebox the damper is closed and when the damper handle is pulled forward (like an open drawer) the damper is open.

Most top-sealing dampers open by pulling down on the handle and releasing it from the bracket that has secured it to the sidewall of the firebox.  To close a top-sealing damper, pull down on the handle and lock the cable in the bracket.

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