Chimney waterproofing, planned around your brick, in Brickell Key
Earlier coatings are identified and tested, so a new product does not end up working against an old one.
- 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
- Some faces drying slower than others
- Sandy mortar washing out of joints
- Glossy patches from an earlier coating
- Rain no longer beading on treated brick
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How we waterproof chimney masonry
How the repellent goes on
Product data sets the application method. For many penetrating repellents, that means a low-pressure spray that wets the masonry without turning the product into mist. Some call for the surface to be flooded and a second pass applied while the first is still wet.
Small areas may be done by brush or roller when the product allows it. We follow the method in the data sheet for the product we name, using the same method on the test area. The written record notes how the product was applied.
If you are thinking of doing it yourself
Treating a chimney yourself means working at height, often on a roof, with a product that must be kept off glass and plants. The product choice also matters, and some store products form films that can trap moisture.
If you plan to do it anyway, read the product data carefully and do the repairs first. Stay off wet or steep roofs. If you would rather not climb, the free inspection in Brickell Key will tell you what the chimney needs. You can then decide with the facts in hand.
When the test area changes the plan
A test area sometimes shows something the inspection could not. The brick may take far more product than expected, an old coating may stop the repellent soaking in, or the look may change more than you want.
If that happens, we stop and explain what the test showed. Any change to the scope, such as removing an old coating or choosing a different product, comes to you as a revised item with its own figure. Nothing beyond the agreed work goes ahead without your approval.
What chimney sealing should mean
When people ask for their chimney to be sealed, they usually want the brick to stop getting wet. The right answer is rarely a sealing coat. It is repairs where water gets in, then a breathable repellent where the brick absorbs too much.
We explain that difference at the start, because it changes what you are buying. The estimate uses plain terms: which repairs, which product, which faces. That way chimney sealing means a defined job with clear limits, rather than a promise to make the brick waterproof.
What we look at before sealing a chimney in Brickell Key
- Weather and surface temperature limits
- Glass and skylights masked
- Workmanship warranty on the application
- Changes after the test priced separately
What people ask before sealing a chimney
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.
Can you waterproof a chimney built from concrete block?
Sometimes. Block differs from brick, and some repellents that suit brick are not recommended for block. Where the block is painted or finished in stucco, a clear repellent may not fit at all. We match the product to the masonry or explain why none suits it.
What if an earlier coating is already on the brick?
We try to identify it and test how the surface responds. Some coatings stop a new repellent from soaking in, and a glossy film may be holding moisture. If the old coating has to come off, that is a separate item with its own method and test.
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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