Waterproofing that protects chimney brick in Croissant Park
A chimney that sheds rain and dries evenly, with a written record to check the result against.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
Brick and joint problems to note before sealing
- Flaking or crumbling brick faces
- Glossy patches from an earlier coating
- Hairline gaps between brick and mortar
- Damp lower courses near the ground
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Chimney water repellent work, explained plainly
Questions to ask about a sealing proposal
A proposal to seal or waterproof a chimney should answer a few basic questions. These help you check any quote, including ours.
If a quote cannot answer these, it is worth asking why. Our estimate addresses each in writing, and we are glad to go through them in person.
- Does the product penetrate or form a film
- Which repairs will be done before it goes on
- Will a test area be done first
- What happens to glass, roofing and plants nearby
What to watch after rain
You can check a treated chimney yourself from the ground. After rain, look at how the brick dries. Treated masonry usually sheds water and dries evenly. Patches that stay dark long after the rest has dried may mean water is getting in there.
Note which faces and areas behave differently. Uneven drying can come from a patch the treatment missed, a repair that took the product differently or a new crack. Mention what you see at your next visit, or call if it changes quickly.
Vents and intakes near the chimney
Some houses have air intakes, exhaust vents or cooling equipment close to the chimney. Spray drift or vapor from the product can be drawn into them if they run during application.
Tell us about any vents or equipment near the chimney. We may ask you to switch off a nearby system for the application period, and we cover openings that could catch overspray. It is a small step, and it keeps the product where it belongs. We switch nothing off ourselves without asking you first.
Why the firebox is left alone
The firebox and the inside of the flue face fire and hot gases, not rain. Masonry water repellents are not made for that exposure, and applying them there serves no purpose. Those surfaces have their own repair products.
If you want the inside of your fireplace or flue looked at, that is a different service. We can note what we see during the waterproofing visit. The treatment itself stays on the outside faces above the roof, or down the outside wall where agreed.
The water repellent scope, face by face
- Cleaning method matched to the masonry
- Test area including patched sections
- Plants below the chimney protected
- Changes after the test priced separately
Asked often about sealing chimney masonry
Which products do you use on chimney brick?
Breathable penetrating repellents, usually siloxane or silane types, from makers that publish full technical data. The product has to list your masonry as a suitable surface. The estimate names it, so you can read its data sheet before you approve anything.
What happens if it rains on the application day?
Product data sets a rain-free period after application, along with temperature and wind limits. We plan for a dry window and move the date if the forecast turns. If rain arrives unexpectedly, we tell you what was affected and whether any area needs another pass.
How long should new mortar cure before the treatment?
The product data decides, together with the mortar used and the weather. New work often needs cleaning before treatment as well. We schedule the repellent as its own step after the repairs, so it is not rushed onto fresh joints.
More Ways to Care for Your Fireplace
- Chimney Chase Cover ReplacementReplace the chase top with a properly planned cover and clearly defined pipe connections.
- Chimney Flashing RepairRepair the chimney-to-roof connection with a scope that accounts for the adjoining roofing and masonry.
- Chimney Damper Repair and ReplacementRestore a usable damper mechanism after checking the plate, frame and control linkage.
- Spalling Brick Repair and Chimney Brick ReplacementReplace deteriorated chimney bricks while retaining suitable surrounding masonry.
- Smoke Chamber RepairRepair identified smoke-chamber surfaces with the access and material requirements clearly defined.
We received your request
Our team will contact you to arrange your inspection.
Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo