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Chimney waterproofing done in the right order in Mills 50

Protect the brick you have. Free inspection in Mills 50, repairs named separately and a treatment plan you approve in writing.

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Your free waterproofing inspection in Mills 50 looks at

Recorded by our local family team in Mills 50, then explained in plain language before you decide.

  1. Which chimney faces receive the repellent
  2. White salt deposits and the moisture behind them
  3. Roof access and ladder setup for your home
  4. Workmanship warranty on the application we perform

Our approach to chimney waterproofing in Mills 50

The points below shape the treatment we recommend in Mills 50, and each one shows up in your written estimate.

Concrete block chimneys and treatments

A chimney built of concrete block behaves differently from clay brick. Block is more alkaline and often more absorbent, and it takes a different amount of product per square foot. Repellent makers list block separately, and some sell products made for it.

The Brick Industry Association's guidance on colorless coatings applies to clay brick only, so on block we go by the chosen product's data for concrete masonry units. The inspection notes the material of every section, because some chimneys mix brick, block and stucco on different faces.

Store-bought sealers on a chimney

The clear sealer on a hardware store shelf might be a breathable penetrant, a film former or something in between, and the front of the can rarely says which. Some are made for concrete driveways or decks, not for brick walls.

If you are tempted to seal the chimney yourself, read the product's data sheet for its chemistry, its listed substrates and what it says about vapor permeability. Better still, let our pros look first. The inspection is free, and a film sealer on a chimney is much harder to undo than to avoid.

Why we are careful with pressure washing

Pressure that is too high can damage brick faces and soft mortar, which is why masonry cleaning guidance sets limits on it. Washing also leaves the chimney wetter than it looks, which delays any treatment.

Brick Industry Association Technical Note 20 says to use the mildest cleaning method that works, and it caps water pressure at 400 psi measured at the nozzle unless the brick's maker allows a higher figure. We match the method to your masonry. Once the surface is clean, we give it time to dry out fully before the repellent goes on.

A simple check after the treatment

Once the repellent has had time to cure, rain should bead and run off the treated faces rather than darkening them. After a few storms, look at the chimney from the yard. Treated faces usually dry noticeably faster than untreated masonry nearby.

If one area darkens and stays wet while the rest sheds water, call us. It may be a spot the treatment did not reach well, a joint that has opened or water coming from above. Our local team will come and look, and if the application was the problem, our workmanship warranty covers it.

What people in Mills 50 ask about chimney sealing

Answers from our specialists in Mills 50, with no sales pressure.

Do cracks and loose mortar need fixing first?

Yes. Masonry guidance says a repellent rarely seals a crack wider than about 0.02 inch, and open joints let water straight in. We repair those first, let the mortar cure and then treat the sound masonry.

Will the treatment change how my chimney looks?

A penetrating repellent is made to leave little or no gloss, and most chimneys look much the same afterward. Dense brick can darken slightly, and existing stains may show more. We treat a test area first when appearance matters to you.

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