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We provide masonry waterproofing in Raleigh, NC to protect brick, block, and stone buildings from leaks and staining. Our services include clear sealers, elastomeric coatings, crack repairs, and parapet treatments. Keep water out of your walls and extend the life of your masonry envelope.
Superior Masonry Raleigh provides professional masonry waterproofing throughout Raleigh, NC, North Carolina and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call (984) 363-8707 or request your free quote.
Masonry waterproofing for Raleigh’s real conditions
Brick, block, and stone are tough, but in Raleigh’s mix of heavy summer storms, sudden freeze-thaw cycles, and high humidity, unprotected masonry slowly absorbs water. That moisture leads to efflorescence, spalling brick faces, musty basements, and even shifting mortar joints. Superior Masonry Raleigh focuses on masonry waterproofing that is tailored to how buildings here actually age, from Five Points bungalows to newer subdivisions in North Raleigh.
When we talk about masonry waterproofing, we are not just spraying a sealer and walking away. We look at how water is getting into your walls in the first place. That might be wind-driven rain on an exposed gable, a chimney crown that is cracked just enough to leak, porous block foundation walls, or even a simple missing seal at a brick control joint. By pairing coatings with repairs and drainage adjustments, we help prevent repeat problems instead of just hiding them for one season.
Every project starts with a site visit, not a guess over the phone. We check for hairline cracks, powdery white staining, damp interior walls, and degraded mortar. We also note details that matter in Wake County like red clay grading that slopes toward the house, poorly terminated gutter downspouts, and vent openings or utility penetrations that let water track into masonry cores. This inspection shapes the waterproofing plan so you get a solution that fits your house, not a one-size-fits-all treatment.
How our masonry waterproofing process actually works
Superior Masonry Raleigh follows a detailed, step-by-step process to make sure waterproofing and coatings bond well and last in our climate.
First, we clean the masonry. For most residential work we use a low-pressure wash with masonry-safe cleaners to remove mildew, dirt, and old loose coatings. High pressure can etch brick faces and open pores, so we avoid it unless we are removing a failing paint layer and even then we use controlled pressure and specialized nozzles. Clean, sound masonry is critical, because any sealer or coating is only as strong as what it is attached to.
Next, we handle repairs before any waterproofing product is applied. We repoint cracked or missing mortar joints using a mortar mix that is compatible with your existing masonry so it flexes properly with seasonal temperature swings. We fill visible cracks in block or poured concrete with non-shrinking repair mortars or polyurethane sealants, and we rebuild small areas of spalled brick or block where faces have popped off from freeze-thaw damage. If you skip this step, water can still get in behind the coating through those weak points.
Then, we select and apply the right waterproofing system. For painted or stuccoed block foundations, we often use breathable elastomeric masonry coatings that bridge hairline cracks and create a continuous barrier. On brick facades and chimneys where you want to preserve the natural look, we typically recommend a clear, silane or siloxane-based penetrating sealer that soaks into the masonry, reduces water absorption, and still allows vapor to escape. We apply by low-pressure spray and back-roll with brushes or rollers to ensure full coverage, especially on rough or heavily textured surfaces.
We finish with detailing that makes a big difference over time. This can include sealing the tops of exposed walls, caulking control joints and utility penetrations, adding or replacing metal or flexible flashing, and in some cases recommending small grading or gutter changes so your new waterproofing is not fighting constant water exposure. Finally, we walk the property with you so you know what was done, what products were used, and how to care for the treated surfaces.
Waterproofing options, product choices, and what affects cost
Not every Raleigh home needs the same level of masonry waterproofing. Superior Masonry Raleigh helps you choose from several approaches, explaining what you gain or give up with each option.
Penetrating sealers are a popular choice for brick and stone that you want to keep natural looking. These products soak into the pores instead of forming a film on the surface. They are excellent for vertical walls and chimneys where the main concern is wind-driven rain. They are UV stable, usually clear and matte, and typically last 5 to 10 years depending on exposure. They cost less per square foot than most elastomeric coatings, but they do not bridge larger cracks or stop bulk water pressure from the soil.
Elastomeric masonry coatings form a flexible, paint-like film that can tolerate hairline movement without cracking. We most often use them on foundation walls, retaining walls, and commercial block buildings where you want both waterproofing and a specific color. These coatings are thicker than standard paint and require careful preparation and multiple coats to perform well. They cost more initially, but in areas that see repeated wetting and drying they can be the better long-term value.
For basements and crawl space walls that are damp due to soil moisture, we sometimes combine exterior coatings with interior treatments. On the inside, we may apply a cementitious waterproofing coat to block walls, seal floor-to-wall joints, and recommend drainage improvements such as a sump or perimeter drain if needed. The ideal mix depends on whether you are finishing the basement, just trying to cut down musty odors, or dealing with active water intrusion.
Cost is driven by several concrete factors: access to the walls (for example, tight side yards or steep lots near the Neuse River greenway can slow setup), the amount of repair needed before coating, the type of product selected, and total surface area. Chimneys above a steep roof or tall commercial facade sections require additional safety rigging and that also affects price. We provide written estimates that break out repairs and waterproofing so you can see where your money is going and prioritize if needed.
Common Raleigh masonry moisture problems and how we fix them
Homeowners in Raleigh and nearby towns like Cary and Garner tend to see the same masonry issues crop up, especially on houses built from the 1980s through the early 2000s. Superior Masonry Raleigh has worked on enough of these homes to recognize patterns and fix them at the source.
One common issue is efflorescence, the white, powdery staining you see on brick, stone, or block. It forms when water moves through the masonry, dissolves minerals, then evaporates and leaves the salts behind. We address this by cleaning the surface with masonry-safe cleaners, locating where water is entering (often above-grade flashing leaks or porous mortar joints), and then applying a breathable sealer or coating so water cannot keep migrating through the wall.
Another frequent call we get is for damp or musty basements with block foundation walls. Often the exterior grade around the house is level or even sloped toward the foundation thanks to settling red clay. Water sits against the block and slowly seeps through. Where possible, we waterproof the exterior side with an elastomeric foundation coating and improve drainage using downspout extensions, surface grading, and sometimes French drains. Where full excavation is not practical, we combine interior treatments with targeted exterior coatings and joint sealing to cut down moisture significantly.
Chimney leaks are also widespread here because many were built without modern chimney caps or have crowns that are cracked from years of sun and temperature swings. Water enters through the top, soaks into the bricks, and eventually shows up as staining or bubbling paint on interior walls near the fireplace. We repair or replace the crown, install a proper cap if needed, repoint deteriorated mortar, then apply a penetrating water repellent designed for chimneys. This combination protects both the structure and the interior finishes.
Finally, we see a lot of decorative brick columns, porch steps, and retaining walls with loose faces or flaking brick surfaces. These typically suffer from repeated wetting with no waterproofing and often from sprinkler overspray. We replace damaged units, improve drip edges and caps so water sheds properly, and then seal the masonry to slow future absorption. We also talk through simple maintenance habits, like keeping sprinklers off masonry and checking caulking and caps each year, so your repairs last as long as possible.
Why work with Superior Masonry Raleigh for waterproofing and coatings
Effective masonry waterproofing is part technical knowledge, part local experience, and part careful application. Superior Masonry Raleigh is a small, locally based crew, so the estimator who inspects your home understands how Raleigh’s rainfall patterns, soil, and building styles affect your brick and block. We see how older Inside the Beltline homes differ from newer neighborhoods off I-540, and we match products and methods accordingly.
We focus on breathable systems that manage water correctly instead of trying to trap it. Blocking water from entering is critical, but so is allowing existing moisture inside the wall to gradually escape. That is why on solid masonry houses we prefer high-quality penetrating sealers and vapor-permeable coatings that reduce water absorption but still let the wall dry out after a storm. We explain these tradeoffs in plain language so you understand not just what we are applying, but why.
Communication is straightforward. After the initial inspection, we review our findings with you on-site, point out any concern areas, and talk through at least one long-term solution and, when possible, a more budget-conscious option. You get a written scope describing the prep work, specific waterproofing or coating products, number of coats, and any recommended drainage corrections. During the job, our crew keeps the site tidy, protects landscaping as much as possible, and schedules noisy or messy tasks at reasonable times.
Most of our work comes from repeat customers and neighbors telling neighbors. We stand behind our workmanship with written warranty terms that match the type of system installed, and we keep records of the products used at your property. If you ever need touch-ups or additional waterproofing in another area, we can match what was done previously. If you are noticing leaks, staining, or damp masonry anywhere on your property, Superior Masonry Raleigh is ready to inspect, explain your options, and put a lasting waterproofing plan in place.
