Chimney waterproofing that lets the brick breathe in Pinewood
No paint and no film-forming sealer, only a breathable repellent chosen for the masonry you have.
- 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
- Worn, rounded brick edges from past blasting
- Water beading on one face but not another
- Runoff streaks below the cap
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Chimney water repellent work, explained plainly
Siloxane and silane in plain terms
The repellents most used on brick are siloxanes and silanes, often blended. Both react with the silica in brick and mortar and change how the pores treat water. Water that would have soaked in beads up and runs off instead.
Siloxanes have larger molecules and suit most brick. Silanes are smaller and can reach further into dense surfaces. The right choice depends on the masonry in front of us and on the maker's data for each product. We name the product we propose and say why it fits your chimney.
Gloss on the brick points to a film
If a chimney has a glossy or wet look after an earlier treatment, it may have been coated with a film-forming product. That shine can be a sign that the coating is sitting on the surface rather than in the pores.
We check any earlier treatment before recommending another. A film over the brick can prevent a penetrating repellent from working and may be trapping moisture. The findings describe what we see, and removing an old coating, if needed, is a separate step with its own test.
People and pets during application
During application, keep children and pets away from the area around and below the chimney. Spray drift can travel in a breeze, and the product should not land on skin or fur. We mark off patios and paths under the chimney.
Close windows near the chimney while we work, and keep doors on that side shut. If anyone in the household is sensitive to odors, tell us in advance. Many water-based products have little smell, and we can tell you what to expect from the one we plan to use.
Footing and cover on the roof during treatment
Treating a chimney usually means working from the roof around it. Tile and some other roofing can crack under careless footing, and overspray can mark the surface. The roof needs as much protection as the windows below.
We plan where we will stand and where equipment will rest, and we cover the roofing close to the faces being treated. If a tile is damaged during the work, we tell you and deal with it. The roof around the chimney is left as we found it.
Included in your chimney waterproofing scope
- Crown and the joint around the flue
- Glass and skylights masked
- Workmanship warranty on the application
- Firebox and flue interior left out
Repellent and sealing questions from Pinewood
Can a repellent close cracks in the brick or the joints?
It cannot. Penetrating repellents work inside the pores, and anything wider than a fine hairline is beyond them. Open joints are repointed, cracked units replaced and gaps sealed before treatment. We list those repairs separately, with the reason for each.
What about a chimney finished in stucco?
Some repellents list stucco as a suitable surface and others do not. Cracks, hollow areas and gaps around trim come first, because a treatment cannot bridge them. Where a different finish suits the stucco better, that work belongs to stucco repair, and we explain why.
Will the treated brick still let moisture out?
With a breathable repellent, yes. It keeps most liquid water from soaking in while letting water vapor leave through the face. That matters on a chimney, because moisture reaches the masonry from inside as well, and a sealing film could hold it in.
More Ways to Care for Your Fireplace
- Gas Fireplace Repair and ServiceGet a model-specific gas fireplace service plan for the fault you are seeing or the maintenance your unit needs.
- Chimney Cap Installation and ReplacementProtect the chimney opening with a cap chosen for its fit, attachment and compatible system.
- Chimney Masonry RepairRepair affected chimney brickwork and joints with materials selected for the construction already in place.
- Gas Fireplace InstallationCreate a complete gas fireplace installation plan for the room, appliance and connected systems.
- Gas Fireplace VentingAssess and repair the gas fireplace vent arrangement using components suited to the identified system.
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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