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Legendary Masonry Lexington provides masonry waterproofing in Lexington, KY to protect brick, block, and stone from moisture intrusion. We apply breathable sealers, elastomeric coatings, and repair flashing and caps to keep water out. Extend the life of your building envelope with targeted waterproofing solutions.
Legendary Masonry Lexington provides professional masonry waterproofing throughout Lexington, KY, Kentucky and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call 859-220-3377 or request your free quote.
Masonry waterproofing that fits Lexington’s climate and buildings
Masonry waterproofing in Lexington, KY is not one-size-fits-all. Our mix of older brick homes, limestone features, mid-century basements, and newer concrete block construction means the waterproofing approach has to match the actual material and age of your property. At Legendary Masonry Lexington, we start with a close inspection of the structure, not just a quick glance at the surface.
We look for hairline cracks in mortar joints, open or deteriorated head and bed joints, efflorescence (that white powdery buildup), dark damp patches on interior basement walls, and failed coatings that are already peeling. On many Lexington properties, we also check grading around the foundation. Our heavy spring rains and freeze-thaw cycles can push water against basement walls and chimney bases, so we look at gutters, downspouts, and any settled soil that slopes toward the house.
Once we know what kind of masonry you have (soft historic brick, denser newer brick, limestone, concrete block, or poured concrete), we can choose the right waterproofing system. Some surfaces do best with breathable penetrating sealers, while others need elastomeric or acrylic coatings that bridge small cracks. The goal is to keep water out without trapping moisture inside the wall, which is especially important for older Lexington brick that needs to “breathe.”
Our step-by-step masonry waterproofing process
Every waterproofing job Legendary Masonry Lexington does follows a careful, practical sequence so the coatings actually bond and last.
1. Detailed assessment and moisture check: We start by mapping where moisture is entering. On basements, we often see damp spots along mortar joints or near floor level, which can point to hydrostatic pressure from outside soil. On chimneys and exterior walls, we look at caps, flashing, and intersections with siding or roofing. If needed, we can perform simple moisture meter readings on interior surfaces so we know if the issue is surface water or deeper seepage.
2. Cleaning and surface prep: No coating will stay put on a dirty or chalky wall. We remove loose paint or old sealer by wire brushing, light grinding, or gentle washing depending on the condition of the masonry. Exterior walls often get a low pressure wash using masonry-safe cleaners to remove mildew, dirt, and efflorescence. On historic brick in older Lexington neighborhoods like Chevy Chase and Ashland area, we avoid harsh washing that could damage the brick face.
3. Repairing cracks and joints: Before any waterproofing product goes on, we repoint missing or soft mortar, seal cracks, and patch any spalled (flaking) areas. For hairline cracks we may use flexible masonry sealants that move with the wall. Larger gaps in block or poured concrete may get a hydraulic cement or high build repair mortar. This step is critical, especially on older foundations where settling has created pathways for water.
4. Primer or pre-treatment (if needed): For some coatings, especially thicker elastomeric and interior negative side waterproofing products, we apply a primer that helps bond the coating to the masonry. On very porous block, we may use a filler coat so the final finish does not soak in unevenly.
5. Applying the waterproofing system: Depending on the project, we might use a breathable penetrating sealer, a clear silane/siloxane treatment, an elastomeric wall coating, or a cementitious waterproofing slurry. We apply with brush, roller, or sprayer, often in two coats for even coverage. On basements, we work from floor to ceiling and pay close attention to corners and pipe penetrations. On chimneys, we coat from the crown downward, and coordinate with flashing or cap repairs so the whole system works together.
6. Final inspection and cleanup: After the system has cured, we walk the property with you (when possible) to review what was done, where the vulnerable spots were, and what to watch over time. We also give you cure time instructions so you know when it is safe to paint over certain coatings or move belongings back against a basement wall.
Coatings and sealers we use and when we use them
Different masonry needs different waterproofing products. Legendary Masonry Lexington does not use a single “universal” sealer, because that is how brick can start flaking or coatings start peeling.
For exterior brick facades and chimneys, we often recommend breathable penetrating sealers that soak into the brick and mortar and repel liquid water while still allowing water vapor to pass through. This is ideal for older Lexington homes with softer brick, because it reduces water absorption and freeze-thaw damage without trapping moisture inside. These products are clear and do not change the look of the brick, which many homeowners prefer in historic neighborhoods.
For concrete block foundations and basement walls, especially those exposed to soil pressure, we may use cementitious waterproofing coatings applied to the interior or exterior wall depending on access. These create a dense barrier that resists seepage. On the interior, they are often combined with crack injection or patching on active leak points.
Where hairline cracking or movement is a concern, like tall garden retaining walls or parapet walls, elastomeric wall coatings are often a good fit. They have a little flexibility, so they can stretch over minor movement without splitting. These coatings can be tinted and used as a finish on stucco or painted masonry.
For decorative limestone or cast stone around entries and windows, we typically select a very breathable, low sheen penetrating sealer that does not darken the stone. Limestone is common in Kentucky architecture and easily etched or stained by harsh products, so matching the chemistry to the stone is important.
In some cases, especially when a homeowner plans to finish a basement, we layer systems. For example, we might repair mortar and cracks, apply a cementitious base waterproofing coat, then follow with a breathable interior coating that is compatible with future framing and finishes. We explain each step so you know what is in your wall and which areas should not be drilled into or cut later.
Local issues that drive cost, timing, and long-term performance
Several Lexington specific factors affect the cost and design of a masonry waterproofing project. Soil conditions in many neighborhoods hold water, which means more pressure against basement and crawlspace walls after rain. If we see active seepage lines, heavy efflorescence, or standing water against the foundation on the outside, we will likely recommend more robust solutions than just a single interior coating.
The age of your masonry matters. Pre-war brick and stone in areas like downtown and older suburbs often require gentler cleaning and breathable treatments, which can take more labor but protect the brick for the long term. Newer concrete block basements in subdivisions around the perimeter of Lexington might be more straightforward to coat, but block is very porous and often needs more product to get an even, effective barrier.
Access is another cost driver. A chimney that needs coating may require roof access or staging. Exterior foundation walls might be partially buried behind decks, patios, or landscaping. In those cases, we discuss the difference between inside-only waterproofing vs. excavation and exterior waterproofing. We will explain what each option realistically can and cannot do so you can decide based on budget and how long you plan to stay in the home.
Weather and curing times also impact timing. Many waterproofing products cannot be applied in very cold or very wet conditions. In Lexington, that makes spring and fall especially busy. We plan work around dry windows whenever possible so coatings cure properly and do not blister or wash off. On interior work, we may use fans or dehumidifiers after prep to get the wall dry enough for a strong bond.
During our estimate, we break pricing down by areas and scope. For example, sealing just an exterior chimney with a penetrating water repellent is generally less costly than a full basement waterproofing that involves repairs, coatings, and possibly drainage improvements. You will always know what is included in the price, which products we plan to use, and what maintenance they may need over time.
What Lexington homeowners should ask before hiring for waterproofing
Choosing someone for masonry waterproofing is not just about price. There are a few key questions every Lexington homeowner should ask, and they are the same questions we are happy to answer at Legendary Masonry Lexington.
Ask which specific products will be used on your type of masonry and why. A contractor should be able to tell you if a sealer is breathable, if a coating is cement based or acrylic, and whether it is intended for positive side (outside) or negative side (inside) waterproofing. If the answer is just “we roll on a water sealer,” that is not detailed enough for a long lasting job.
Ask how the surface will be prepared and what cracks or joints will be repaired beforehand. Skipping prep is one of the main reasons coatings fail. We will outline our cleaning method, patching plan, and whether any repointing or tuckpointing is included.
Ask about how the work fits with your long term plans. If you are finishing a basement, we will discuss which coatings are compatible with insulation, framing, and drywall. If you are preserving a historic brick façade, we focus on solutions that maintain the original appearance and do not trap moisture.
Finally, ask about local experience. A contractor who regularly works on Lexington’s older brick and stone will know, for example, that using a non-breathable film forming coating on a historic wall can lead to spalling in just a few winters. At Legendary Masonry Lexington, we share examples from nearby projects that match your type of masonry so you can see what was done, how the wall looked afterward, and what results the owner noticed during the next rainy season.
If you would like an honest evaluation of whether masonry waterproofing, drainage changes, or a combination is right for your Lexington property, we are ready to take a look and talk it through in plain language.
