chimney flue repair, obstructed chimney

A chimney is designed to safely and effectively remove dangerous fire byproducts produced within the fireplace. When it becomes clogged, it can’t properly perform this important role. Birds’ nests, tree foliage, trash, and other debris can clog your home chimney, making it dangerous to use. Soot and crumbling bricks are also hazardous; if the chimney’s flue is not kept clean, your home is at risk every time you kindle the fireplace. Your home’s structure and age may also play a part in the overall health of its chimney. Determine if there is a blockage in your chimney, or if it needs flue repair, by looking at it yourself or hiring a professional maintenance company.

Warning Signs of a Blocked Chimney

A blocked chimney may be hard to diagnose on your own but there are some telltale signs to watch for. These warning signs include:

• A smoky smell when burning a fire

• Falling debris inside the hearth

• Water streaks inside the flue

• Excessive soot

• White residue on the flue walls

What can cause a chimney blockage?

There are three main causes of chimney blockages:

• An excessive build-up of soot or creosote (tar)

• Birds, squirrels, or other small animals nesting in the chimney

• The collapse of the internal chimney bricks

Inspecting the Chimney

1. Wear a safety mask or goggles for eye protection. Don a pair of gloves and place a handkerchief over your mouth and nose to keep you from inhaling loose, falling soot. Wear a hard hat to protect your head. Chimneys that have not been periodically cleaned may have a lot of debris.

2. Open the chimney’s maintenance door. Typically, it is located outside the house, but check your home’s blueprints for the exact location. Hold the mirror through the maintenance door, facing upward. With your other hand, shine the flashlight on the mirror. Adjust the angle to allow you to see up into the chimney.

3. Inspect the chimney flue from the outside of the building and again from the inside of the fireplace. Open the damper, and shine the flashlight up the walls with the mirror. See if you can insert a broom handle or long stick through the fireplace opening.

4. Feel the heat. When a clogged fireplace is operating, heat and moisture will back up into the home. When the chimney is unused, during summertime, for example, soot from a wood-burning fireplace or rust debris from the metal hood of a gas fireplace can amass. 

Chimney Flue Repair

Clearing a blocked chimney is a job best left for a professional. They have the tools necessary to reach and remove the debris clogging the flue. How quickly and easily the chimney is cleared will depend on how compact the blockage is. To prevent clogs in the future, an annual chimney cleaning is recommended. Regular cleanings will keep your flue clear while also warning you of any potential problems before they turn into costly chimney flue repairs. Installing a chimney cap onto the flue can also help limit the number of clogs your chimney experiences. Stopping debris from entering the system in the first place, caps can provide a proactive approach to chimney maintenance.

If you suspect a blocked chimney, contact a professional for assistance. We can diagnose and treat common chimney ailments both large and small.

At the Irish Sweep, we pride ourselves on doing the highest quality work. We accomplish this through having excellent training and experience, but also through using top quality materials. One of the truly remarkable materials we use is HeatShield cerfractory flue sealant for resurfacing flues.

According to the Chimney Safety Institute of America, problems such as gaps, cracks and spalling in your chimney’s flue can present serious risks to your home and family, because your chimney can no longer perform its intended function – to safely contain and vent the products of combustion to the outside. It’s because of this that the inner surface of your flue is so important.

HeatSheild is a durable coating applied by experts, like us at the Irish Sweep, to restore safety and efficiency to your chimney’s flue by filling in gaps and cracks. This can salvage a chimney flue that would otherwise have needed removed and rebuilt or retired.

The key to a safe chimney is a flue that properly contains dangerous gases, heat and flames. The rest of your home isn’t a safe place for these elements to be, and your flue is the barrier that protects you. But only until it weakens and develops cracks, spalled clay, and deteriorated mortar. This used to mean the end of life for a flue, but HeatSheild allows us to renew your flue safely.

 

How Does HeatShield Sealant Work?

To start restoring your chimney’s flue by resurfacing the interior, we make a custom foam applicator plug. It’s then placed at the bottom of the flue, attached to a winch on top the chimney. When the applicator it pulled up with the winch, it evenly applies the lining to flue.

First, a “tie coat” material is applied to the flue walls as the plug is pulled upward by the winch. The “tie coat” cleans any remaining dust in your flue and acts as a primer for the HeatShield® Cerfractory® Flue Sealant.

After the tie coat dries, we apply the HeatShield® material to the flue at about ¼” thickness. Our unique application method is known as “slip casting” or “slip cast extrusion”.

We then verify that your new chimney lining has a complete seal and is smoke-tight by using cameras and video scanning your completed repair.

Chimney inspection, fireplace inspection, safety

 

Chimneys keep you warm and can provide a home with a beautiful focal point. However, they can hold hidden dangers and it’s important to regularly check for these signs. Failure to do so can lead to very expensive, dangerous, and preventable conditions.

White Staining

When moisture is seeping into the chimney, white staining may result. While this is actually salt and can be cleaned off easily, identifying the underlying cause needs to be identified to ensure it doesn’t get more serious. A common term for this condition is efflorescence. This can be remedied or prevented through chimney repairs.

Rust

As with most other things, rust is a sign of trouble. It should not arise in the fireplace or damper.  Rust is another sign of moisture issues. Poor sealing or issues with the damper could be the source of this issue. However, these areas may not always be visible so this is why an annual chimney inspection is recommended.

Mortar Joints Deterioration

If you see any mortar joints that are damaged, they should be promptly replaced. These joints could be a source of excess moisture coming in and thereby speed up damage to the chimney. This could be particularly troublesome in very cold conditions where the moisture could freeze and cause much larger cracking within the chimney.

Shaling

A damaged flue lining is a major issue with chimneys. A sign of this issue is small thin shaling or tiles at the bottom of a fireplace, this can look like the ridges on the back of a sea shell. This is a sign that your flue lining may not be in good working condition for your safety. As a result, having this inspected annually is essential for your safety.

Chimney Crown Damage

During the holidays, you may go on your roof to put up lights. This is also a good time to take a look at your chimney crown. If you see it’s damaged, contact us promptly as this can cause moisture to go into your chimney and result in substantial cracking and damage.

Spalling

Spalling is a moisture problem. Should the masonry towards the bottom of a chimney be flaking or popping out, this could be another sign of moisture seeping into the chimney. This is repairable, and it’s important to repair the masonry to protect the chimney.

Damaged Wallpaper

When the wallpaper near a fireplace looks damaged, this can be another sign that you need to have your chimney repaired. When you are in your Bay Area home, periodically check the areas near your chimney.

Most of the above items can be observed by anyone, but there are some that should be done through an annual professional inspection to identify needed chimney repairs. If you have questions or want to have your Bay Area home inspected, please contact Sal at the Irish Sweep.

As winter approaches, you may be looking forward to cozy days around the fire. If you are lucky enough to have a wood burning fireplace, it can be easy to neglect through most of the year up until time to set up that first winter fire. Wood burning fireplaces do require chimney cleaning, inspections, and maintenance. Now you may be wondering, why should I have my chimney cleaned and when?

Advantages of Regular Chimney Cleaning

As wood burns in your fireplace it releases smoke and ash, and over time, creosote can build up. If you have not heard of creosote, it is a flammable substance that builds up like a glaze, coating the interior of your chimney. Creosote needs to be removed regularly so it doesn’t build up and prevent the flow of smoke leaving the chimney. Also, because creosote is flammable, it needs to be removed to prevent chimney fires.

You should have your chimney inspected at least yearly and cleaned as needed. If you recently purchased a home, have the chimney inspected before using the fireplace. Regular maintenance and cleaning help to prevent larger problems and more expensive repairs. Having your chimney inspected, cleaned, and maintained each year will help keep your home and family safe.

When professionals clean your chimney, they remove soot and dangerous creosote built up on the interior. They will also check for any blockages, which could cause smoke to build up in your home if not removed. A professional will make sure everything is in working order for safe and effective operation.

chimney cleaning, the right time to clean your chimney, get your chimney swept.Advantages of Spring or Early Summer Chimney Cleaning

Some say that spring is the best time to have your chimney inspected and cleaned. This is because winter weather might have damaged the masonry, which you would want to catch and repair right away during warm summer months. Additionally, a spring cleaning will get you ready for fall and winter fires, well ahead of the peak cleaning season, so you can avoid waitlists and have it done quickly.

Advantages of Late Summer or Fall Cleaning for your Chimney

Others would argue that fall is the better time to have your chimney cleaned. This is because when your fireplace has not been used in a while, such as during the spring and summer months, pests can enter and set up their homes. Rodents and birds can build nests that clog the chimney. This could be dangerous as smoke is then unable to flow through, and additional creosote could build up, increasing flammability.

Contracting a chimney cleaning company that will provide regular inspections and cleaning is your easiest option. They will remind you when it is time for your inspections. Given the advantage of both spring and fall cleanings, you may opt to have them both in order to maintain your fireplace if you use it often. During inspections, the professionals will look for any problems, clean as needed, and perform or recommend necessary maintenance on your chimney. This can all help to prevent more serious operational issues and maintain a healthy, efficient function of your fireplace all year round.

Orinda Danville Chimney Masonry Repair

 

 

 

Chimney masonry repair helps to correct damage and restore the structure to the bricks and mortar of your chimney. While masonry repair is an essential task to keep your chimney safe, many homeowners don’t know how to recognize the signs that a chimney masonry repair is due. Here we look at 4 key signs that you need a chimney masonry repair.

Mortar Worn Away From Between Chimney Bricks

Weather and wear can first affect the softer mortar that fills the space between each brick or stone. Signs of deteriorating mortar joints include mortar crumbling and eroding from the mortar joints or a complete lack of mortar where it’s worn away between the bricks. Mortar repairs, also known as chimney repointing, involve replacing and filling in the joints of brickwork with new mortar. Chimney masonry repair and repointing should be done in warmer months when the mortar can set up correctly, however small repairs can be made using an accelerant mixed in the mortar during winter months.

Cracks In The Masonry And Mortar

Another sign of chimney masonry damage is visible cracks in the bricks or mortar. This can be caused by prolonged weather damage or wear. It’s important to repair chimney cracks rapidly as a cracked chimney can accelerate damage to the remaining bricks and mortar as well as increasing the risk of chimney collapse. Repointing the chimney may help to replace cracked mortar, but larger repairs such as the removal and replacement of bad bricks or a complete or partial tear down may be necessary depending on the damage.

Spalling Bricks

Spalling bricks are caused when moisture and the freeze/thaw cycle disrupt the structure of the bricks and causes them to fail. This causes the brick faces to pop off when water inside the brick freezes in the winter and expands pushing the brick structure outwards. Many chimneys are built with soft style breaks that absorb moisture out more readily and are more prone to spalling. If you notice spalling bricks on your chimney it’s a sign that your chimney needs masonry repair as soon as possible to prevent further deterioration or collapse.

Leaning or Crumbling Chimney

A leaning chimney can either mean that the foundation of the chimney is not right or that there has been movement between the house and the chimney. This can be a difficult problem to diagnose as the foundation of the chimney must be inspected for stability and safety. In many cases this can lead to the need for the chimney to be torn down and rebuilt. A crumbling chimney can be due to cracked bricks or a cracked crown that hasn’t been repaired. If a chimney has already started to significantly crumble or bricks have fallen, it’s essential to have the chimney inspected as soon as possible. The chimney may need to be removed or rebuilt to prevent further damage to your chimney or home.

While many homeowners can ignore a damaged chimney, particularly if it’s not being used, that doesn’t mean that an unstable chimney doesn’t pose a threat to your home. If your chimney shows any signs of needing masonry repair contact your local chimney sweep or chimney specialist as soon as possible to provide a thorough inspection and diagnosis.

Keeping your chimney safe is an essential part of keeping your whole home safe. Keep an eye out for these 6 essential warning signs that your chimney needs repair.

  • A Smoky Or Smelly Home

A smoky or smelly home can mean your chimney liner is not working properly. Chimney liners, with clay being the most popular, are channels inside of the chimney that contain and direct combustion products outside, protecting the chimney from corrosion. If these fumes are not redirected, the consequences on your health can be severe.

Unfortunately, it is not always easy to spot liner damage. Consider calling a professional if you detect an overly smoky odor from your chimney.

  • Flakes Or Shards Of Tile/Ceramic In Your Hearth

On the topic of chimney liners, watch out for bits of flue lining in your firebox. Flue liner “shaling” occurs with time and can lead to a host of consequences, as indicated above.

The purpose of the liner is to protect the surrounding home, including combustible materials around your fireplace. Get an inspection to determine whether to replace or repair the lining.

  • White Staining On The Chimney’s Exterior

Efflorescence the name given to the effect created when a white residue of minerals and salts comes to the surface of concrete and mortar. It is a sign that water is leaking into your chimney system and is indicative of present or future structural deterioration.

When the chimney has disintegrated materials or is missing a cap, rain water can more easily make its way into the walls. This can be a sign your chimney needs repair or additional protective structures to prevent further damage.

  • Cracks In The Chimney Crown

On the topic of water damage, let’s discuss the dangers of crown cracks. If you’ve noticed air or water coming in through the fireplace, there may be cracks in the mortar around your chimney. As the cracks grow, so do structural problems so have these repaired quickly to maintain safety.

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  • Stained Ceiling Or Walls

We’ve been talking a lot about the dangers of moisture and stained ceilings or walls around the chimney as these are great signs that your chimney may need repair.

Look out for dark patches, dampness, and stains and take steps to investigate the issue. There are countless DIY conversations happening online on websites and forums to help you troubleshoot, but as always, it’s important to reach out to a professional if unsure.

  • A Chimney Fire

Loud cracking and popping? Dense smoke and intense smell? These are signs of a chimney fire.

Flue fires are caused by the release of hydrocarbon gases from heated wood. At around 1100 degrees F, unburned gases condense and harden into creosote.

Creosote is highly flammable and triggers chimney fires. Chimney fires can cause the masonry to expand to the point of blowing out, which in the worst cases means room explosions.

To tell if you’ve had a chimney fire, look for warped metal in the damper, cracks in exterior masonry, smoke escaping through the mortar, or heat damaged TV antennas.

If you’re concerned, call your local chimney sweep for an inspection as soon as possible.

Keeping your chimney safe and in good condition means you can enjoy your fireplace in comfort, peace, and safety.

Fireplace, Berkeley Chimney Repair, Lafayette Chimney Repair, Walnut Creek Chimney Service, Lafayette Chimney Service, Walnut Creek Chimney Inspection, chimney sweep, dryer vent, alameda, oakland, Artificial Log Set, artificial logs, bay area, berkeley, chimney sweep, clean, Concord, danville, fireplace inserts, frequently asked questions, Irish Sweep, lafayette, oakland, orinda, Pleasant Hill, walnut creek, Wood Burning Chimney, Wood Burning Device, Wood HeatersFireplaces are a captivating home feature and a cozy source of warmth. But as eye-catching as a fireplace may be, it is often forgotten in the grand scheme of home maintenance and repair.

We recommend getting your chimney and fireplace inspected by a professional once a year but, in the meantime, there are plenty of proactive measures you can take.

Here are five useful tips to keep your fireplace safe in any season:

  1. Keep Your Chimney Top Clean

First, make sure you’ve installed a chimney cap to keep mother earth outside. Because animals like to seek refuge in there, the Humane Society of the United States recommends using a stainless-steel chimney cap with wire mesh to prevent their access. Clean the cap if it becomes clogged. You can use a wire brush to remove debris from the mesh.

While you’re up there, examine the brick mortar for cracks or flakiness. Caulk is a great waterproof filler to patch any damage.

  1. Contain The Flame

Gusts of wind from storms can shoot down the chimney and blow embers all over your favorite (and flammable) furnishing. Installing glass screens keeps your fire insulated and protects your home and loved ones.

These screens should be open during the full blaze to maximize airflow. Doing so will promote combustion and minimize the buildup of creosote. Make sure to clear the hearth space of furniture, Christmas trees and other flammable decorations to avoid igniting wandering embers.

  1. Don’t Neglect Your Detectors

Check your carbon monoxide detector’s batteries and invest in a quality smoke detector.

The American Society of Home Inspectors suggests a photoelectric detector, which works by aiming light into a sensing chamber and detecting the entrance of smoke through the chamber via reflected light. A photoelectric detector works best for smoldering fires.

Also, don’t burn trash or old tree branches. They will produce more smoke than productive blaze and risk setting off your alarms.

  1. Keep It Clean

Ensure your fireplace and your chimney are clean prior to your fire burning season.

To check if it’s time for a sweeping, take a flashlight and your fireplace poker and scratch the black surface above the smoke chamber. If the scratch in creosote is extremely thin, you can leave it a bit longer until your next sweep.

But if you have ¼ inch or more of creosote, do not light another fire until the chimney has been swept out. For a thorough job, we recommend calling a professional.

Pro tip: Ashes and creosote can be a source of calcium for your plants.

  1. Install and Use Fireplace Dampers

Dampers are used to let smoke out during fires and keep heat inside when the chimney is not in use.

Ensure that the damper or flue is open for the entire duration of fire burning and wait until the embers have stopped burning before closing your dampers. The damper can also be checked by looking up into the chimney with a flashlight or mirror.

For a complete and comprehensive fireplace safety analysis, leave it to the professionals. Contact us for thorough inspections and cleanings if you think your fireplace is ready for a sweep.

Regular chimney cleaning helps your chimney to function efficiently and safety, boosting the chimney’s function and reducing the risk of chimney fires. But how often do you need a professional chimney sweep? It’s an important question to which there is no one right answer. However, understanding how often you should sweep your chimney is important to keep your fireplace in top condition.

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Chimney cleaning helps to remove buildup of ash, soot, dust and debris from inside your chimney, and most importantly helps remove creosote. Creosote builds up on the inside of chimneys and flues when wood fuel is burned. The less efficiently wood is burned, the more quickly creosote builds up. This makes it difficult to determine when a fireplace needs cleaning based on usage alone. One fire where the wood is burned inefficiently may contribute much more creosote than many fires where the wood is burned properly. Creosote is highly flammable and can trigger a chimney fire if left to build up to more than 1/4 inch. Regular cleaning helps to remove buildup such as creosote and keep your chimney safe from fires.

How Often Should You Clean Your Chimney?

Because the degree of creosote buildup can vary depending on how wood is burned, it can be tricky to work out just how often you should have your fireplace cleaned.

Ideally, it’s best to ask a chimney professional to provide a chimney inspection to gauge the level of creosote buildup and determine whether a clean is necessary.

Otherwise, as a rule of thumb the National Fire Prevention Association and the Chimney Safety Institute of America both recommend a chimney should be cleaned and inspected for structural soundness and integrity at least once a year.

If I Haven’t Used My Fireplace Much, Can I Avoid Cleaning It?

Because creosote buildup can occur after relatively few fires where wood has burned incompletely, using your fireplace rarely isn’t necessarily a good reason to avoid cleaning it. Fireplaces can also deteriorate structurally due to water or impact damage and become clogged with debris or even pests, so it’s best to schedule chimney inspection and cleaning at least once a year at the minimum.

Should My Chimney Be Cleaned More Frequently?

If you know that your fireplace is used often and your fireplace burns wood inefficiently, you may need to have your chimney cleaned more often. Chimney cleanings should be aligned with creosote buildup, so in chimneys where creosote buildup is happening more rapidly, cleanings should be more regular. This can also be the case where certain types of wood are burned, such as pine, which naturally releases more creosote. If you use your fireplace very frequently, or are aware that your fireplace is burning fuel inefficiently, it is advisable to consult with your local chimney expert about how often your chimney sweeps should be.

Regular chimney cleaning and inspection helps to keep your fireplace safe, tidy, strong and chimney fire free. Talk to your local chimney sweep about how often your chimney should be cleaned based on your individual needs.