Chimney waterproofing, planned around your brick, in Seven Isles
A yes to the treatment inside 72 hours of your free inspection means 10% off that work.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
Clues that the brick needs a repellent or repairs
- Moss or green growth on the masonry
- Clear coating peeling off the brick
- Brick grit collecting on the roof below
- Hairline gaps between brick and mortar
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The order behind lasting chimney waterproofing
Why nearby windows need masking
Clear masonry repellents react with silica, and glass is made largely of silica. If spray lands on a window and is left to cure, it can leave a haze that is hard to remove. Product instructions spell out how to protect glass and what to do if it gets hit.
We mask windows and skylights within reach of the spray before any application. If a window cannot be masked, we use a method that keeps the product off it and clean it promptly. Tell us about any special glass near the chimney, such as a decorative window.
Keeping the surface dry afterward
Once applied, a repellent needs a period without rain to set up properly. The product data states how long. Rain too soon can reduce the treatment's effect and leave uneven results.
We plan application for a dry window in the forecast. If rain arrives unexpectedly, we tell you what was affected and whether any area needs another pass. Glass or other surfaces touched by spray are cleaned within the time the product allows, while the residue can still be removed.
Mortar joints ready for treatment
Mortar is part of the surface the repellent protects, and it has to be sound. Joints that are soft, sandy, cracked or recessed let water in regardless of any treatment. Brick industry guidance lists repointing such joints among the repairs to finish first.
We check the joints across each face. Where repointing is needed, it is a separate item priced by the extent of the joints. The new mortar is allowed its curing time before treatment. If only a few joints are affected, the repair can be local rather than the whole chimney.
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.
What we look at before sealing a chimney in Seven Isles
- Growth and staining removed beforehand
- Glass and skylights masked
- Nearby vents and intakes covered
- Written record of product and faces treated
Common questions on treating chimney brick
Will the treatment change how my chimney looks?
A suitable penetrating repellent is usually close to invisible once dry. Some products darken certain brick slightly, and film formers can leave a sheen. The test area lets you judge the look first, and if you dislike it, we discuss another product or no treatment.
Can you treat a chimney that has been painted?
A clear repellent cannot reach the pores through paint, so it would do little. The choice is between caring for the paint and removing it, and removal carries its own risks for the brick face. We explain both before recommending either.
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.
Proudly American
Local service. Careful repairs. A fireplace worth coming home to.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo