How To Repair Spalling Brick Wall
If you lot've noticed your chimney bricks take started to flake and crumble, then I have some bad news for you. Your once-lovely chimney is now suffering from a status known as spalling brick.
Spalling brick is an result that plenty of chimney owners in colder climates take to deal with, just this article should requite you all the data you lot need to know near spalling brick and how yous tin start tackling the problem before it gets out of hand.
What is Spalling Brick?
![A close up shot of spalling bricks in a chimney close to the chimney flashing. Spalling bricks allow moisture into the brick which defeats the purpose of the chimney flashing and makes it less effective at preventing water damage to the home.](https://www.priddyclean.com/wp-content/uploads/2021/02/image2-e1613402524312-945x1024.jpg)
Spalling brick occurs when moisture seeps into a brick and so goes through the freeze/thaw wheel. Over time this water damage causes the spalling bricks to crumble, bit, and fifty-fifty pop completely out of the chimney.
What Causes Chimney Brick Spalling?
The cadre reason that a masonry chimney tin showtime suffering from brick spalling is brick and mortar quality. Poorly compressed mortar won't allow bricks to aggrandize safely during the freeze/thaw process, and bricks that are besides porous will easily let rainwater and moisture from fog or ice to seep in.
The brick and mortar quality are the gateways to brick spalling, but there are several other factors that demand to exist watched that will hasten brick spalling. With some of these factors, information technology's almost guaranteed that yous'll take to bargain with this issue sooner or after.
Some factors that will either cause brick spalling or speed it along are:
- Conditions
- Pressure washing or sandblasting
- Poor structure
Weather plays a large part in brick spalling. If you alive in a region that gets plenty of pelting, fog, or freezing temperatures, so you'll want to consistently check your bricks.
Force per unit area washing or sandblasting can brand your chimney expect squeaky clean, but the microdamage tin can atomic number 82 to spalling in the future.
Poor structure or salvaged bricks will start spalling a lot faster than high-quality bricks and craftsmanship.
The Dangers of Spalling Chimney Bricks
![Close up shot of pieces of red brick crumbling and falling out of mortar joints in an old chimney.](https://www.priddyclean.com/wp-content/uploads/2021/02/image1-e1613402577122-991x1024.jpg)
Spalling bricks may only seem like a cosmetic problem, simply it'due south an issue that can really affect people'due south safety in your home.
Some of the damages or risks damaged bricks can cause are:
- Health risks caused by mold
- Chimney collapse
- Structural impairment to other parts of your abode
Water and mold go hand-in-hand, and spalling bricks tin hands cause mold to spread to the surrounding expanse. This is a huge wellness risk and also looks terrible.
Not but is spalling, a wellness and safety hazard, if left alone as well long, your pockets are in danger too. It'south way cheaper to tackle the problem early than await until your chimney is barely standing anymore.
Brickwork is designed and then that each brick supports the ones nearby. If a couple of bricks begin to neglect, the whole chimney tin get weak and even cave in. Spalling bricks can harm the surrounding structure of your habitation. The framework, drywall, and boards are all at adventure if your chimney starts to become.
How to Repair Spalling Brick Chimneys
Is repairing your chimney bricks something that you can do yourself? Absolutely. Is it something that y'all should call a certified chimney sweep for? That would be the ameliorate selection of the 2.
It'southward non a question of whether you can do information technology, but whether or not you should.
Working on chimneys is not easy or fun, not to mention the expensive equipment and risk of injury in a DIY project similar this are rarely worth it. A professional person can likewise spot bug that homeowners may overlook which could come dorsum to seize with teeth you later.
Notwithstanding, if you're truly serious about tackling this kind of fix on your own, then here's all of the info you may need to get the task washed.
Tools and Equipment
At the bare minimum, you should take the post-obit tools to replace damaged bricks:
- Cold chisel
- Society hammer
- Abrupt trowel
- H2o
- Mortar
- Replacement bricks
- Drill
- 6-8mm masonry bit
Investigate the Cause of the Damage
![A tall brick chimney with a number of spalling bricks. When bricks start to crack and crumble, they should be replaced to prevent further damage to the chimney and home.](https://www.priddyclean.com/wp-content/uploads/2021/02/image5-e1613402650146-951x1024.jpg)
The commencement order of business is to thoroughly examine your whole chimney to notice where and what the problems are. Bank check the mortar joints, chimney cap, chimney crown, and any visible bricks to find the problem.
Leaks are a common trouble that can be apace solved with a waterproofing sealant like caulk.
If the amount of bricks y'all need to ready exceeds iii or 4 per wall, however, and so it may be time to telephone call in professionals, or y'all risk injuring yourself or damaging your home. Having numerous leaks or damaged bricks may signal more structural damage than meets the eye.
Be Sure to Choose the Right Bricks to Supersede
Matching bricks and style are going to be of import if you want your chimney to look halfway decent in one case you lot're done with repairs. Do your best to fix the mortar in a similar style and try to notice bricks that look similar your electric current ones.
Cut Out the Spalled Bricks
This is where the club hammer and cold chisel come into play. Scrape the mortar effectually the brick out first before crumbling the brick and so that you tin can pull all of it out. Apply the drill and drill bit if you're struggling to become the mortar out.
Replace the Quondam Mortar
A home improvement store can give you lot a solid mortar to work with, but using a cement-based mortar or a mix of sand and lime will get the job done.
Supersede the Quondam Bricks
Get the area squeamish and damp before applying a layer of new mortar to the sides and base of the hole with your trowel. Slowly slide the replacement brick into the pigsty until it lines up with your older bricks. Utilize the trowel to make your mortar work uniform with the residual of the chimney.
How to Prevent Spalling from Happening
![A brick chimney which is at risk of collapse due to a number of spalling bricks.](https://www.priddyclean.com/wp-content/uploads/2021/02/image3-e1613402741664-1011x1024.jpg)
Abiding maintenance and upkeep is your best friend. You lot'll take much less repair to do if you just give your chimney a in one case over every then oft to catch spalling problems before they get too bad.
A professional chimney sweep tin check for damaged bricks forth with many other common chimney issues while performing an annual chimney cleaning or inspection.
Contact Priddy Chimney Sweeps for Your Brick Chimney Repair Needs
Weather condition is a major factor that can crusade brick spalling, merely pressure level washing and poor structure can besides brand it worse. Brick spalling isn't a joke and tin end upward causing severe health problems or harm if left unchecked.
Fixing your chimney on your own is achievable but can be dangerous and expensive to do. Priddy Chimney Sweeps can handle tuckpointing, chimney repair, and rebuilds, also as chimney inspections. Our professional person chimney sweeps volition get the job washed right and keep you and your family safe.
Source: https://www.priddyclean.com/spalling-chimney-brick/
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