Waterproofing that protects chimney brick in Westchester
Chimney waterproofing in Westchester that explains what a repellent can do and where its limits are.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
Waterproofing warning signs we look for in Westchester
- Brick that stays dark long after rain
- Some faces drying slower than others
- Worn, rounded brick edges from past blasting
- Damp lower courses near the ground
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Chimney waterproofing in Westchester, from repairs to repellent
Weather on the application day
The weather on the day matters. Product data sets limits for air and surface temperature, and it warns against wind, because spray can drift onto glass, cars and plants. Rain soon after application can also reduce the result.
We watch the forecast and move the date if the conditions fall outside the product's limits. Hot surfaces are a particular concern, because the carrier can evaporate before the repellent penetrates. If the job has to be rescheduled, we tell you as soon as we know, and the scope stays as agreed.
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 the workmanship warranty covers
Our waterproofing carries a workmanship warranty. It applies to the cleaning, masking and application our team performed, on the faces the written record lists. Faces left out of the agreed work, and damage that starts somewhere else, sit outside it.
Product makers publish their own claims about how long a treatment lasts. We do not turn those into a promise about your whole chimney. Ask before you approve how a later problem would be looked at. We will explain how we separate our work from other causes.
What a repellent will not do
It helps to be clear about the limits of a treatment before paying for one. A penetrating repellent is not a repair, and the list below covers what it leaves untouched.
Each of those needs its own repair. Our estimate lists them separately, so nobody expects the treatment to do a job it was not made for.
- Close cracks, open joints or gaps at the top
- Strengthen crumbling brick or soft mortar
- Stop rain falling down an open flue
- Fix water getting in at the roof junction
Brick repairs and treatment, itemized for approval
- Cap or open flue noted at the top
- Sealant joints replaced and cured first
- Named penetrating repellent and its data sheet
- Preparation debris cleaned up and hauled away
Asked often about sealing chimney masonry
Do repairs have to be finished before the treatment goes on?
Yes. Brick industry guidance puts repairs first, and product data asks for sealant joints to be in place and cured and for the top to be watertight. New mortar also needs its curing time. We set out that order in the estimate so nothing is rushed.
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.
Is it worth protecting the brick on a chimney we do not use?
It weathers the same as one in use. Rain soaks its brick, and water that gets in can damage the masonry and the house around it. Repairs come first either way, and a breathable repellent can follow where the brick absorbs too much.
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