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Reliable, professional masonry waterproofing in Durham, NC from Superior Masonry Durham. Contact us today for a free on-site estimate.
Superior Masonry Durham provides professional masonry waterproofing throughout Durham, 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) 520-5238 or request your free quote.
Durham masonry waterproofing that respects your brick and block
Durham’s mix of humid summers, driving thunderstorms, and occasional winter freezes is hard on brick, block, stone, and mortar. At Superior Masonry Durham, our masonry waterproofing and coatings service is designed specifically for these conditions so your chimney, foundations, porch steps, and walls stay dry without being smothered by the wrong products.
We focus on systems that let your masonry breathe. Many water problems in older Durham homes come from non-breathable paints or “quick fix” sealers that trap moisture inside the wall. We remove or work around those mistakes, then apply professional-grade breathable water repellents and compatible coatings that push rain off the surface while still allowing water vapor to escape.
Whether you own a brick bungalow in Watts-Hillandale, a newer townhouse near Southpoint, or a commercial block building off Highway 70, we adjust our approach to your specific structure, not just the age or style. Our goal is simple: stop water entry, reduce maintenance, and protect the look and strength of your masonry for as long as possible in Durham’s climate.
What we look for during a masonry waterproofing inspection
Before we suggest any coating or sealer, Superior Masonry Durham performs a detailed site walk. We start with how water hits and leaves your building. That includes roof drip lines, gutter discharge, downspouts that splash directly onto brick, and areas that stay damp after a storm. In Durham, clogged or undersized gutters and short downspout extensions are a major cause of chimney and foundation leaks.
We then examine the masonry itself. On brick we look for hairline cracks, spalled faces (flaking brick), deteriorated mortar joints, staining, previous paint or sealer layers, and areas where the brick has been repointed with hard mortar that does not match the original. On concrete block and foundation walls we look for open cells, cold joints, and hollow-sounding spots.
Inside, we check basements, crawlspaces, and interior walls for efflorescence (white powder), damp smells, bubbled paint, and mold. These clues help us track where water is entering. In Durham’s clay soils, water often wicks into masonry from grade level, so we pay close attention to how your landscaping or driveway meets the wall. All of this information shapes the exact masonry waterproofing method we recommend for your property.
Our step-by-step masonry waterproofing process
A thorough process matters more than any single product. Here is how Superior Masonry Durham typically carries out masonry waterproofing and coatings on a residential or small commercial project in the Durham area.
1. Surface cleaning and prep. We wash the masonry to remove dirt, biological growth, loose paint, and old sealer residue using low to moderate pressure and job-specific cleaners. On sensitive historic brick we avoid harsh pressure and strong acids that could damage the surface.
2. Repairing defects. Waterproofing over bad joints or cracks will fail quickly. We cut out and repoint deteriorated mortar with a compatible mix, patch cracks in block or poured concrete, and replace bricks or stones that are too damaged to save. For chimney crowns, porch caps, and sills, we correct slopes so water runs off instead of pooling.
3. Dealing with past coating mistakes. If there is a heavy film-forming paint or waterproofing layer that is failing or trapping moisture, we mechanically remove or gently strip it where feasible. When removal is not practical, we design a system that accounts for it so we do not lock more moisture into the wall.
4. Selecting and applying the water repellent or coating. On most brickwork we use clear penetrating silane or siloxane treatments that soak into the masonry and chemically bond below the surface. On some foundations, retaining walls, and commercial block, we may use breathable elastomeric or acrylic coatings that create a protective film while still allowing vapor diffusion. Application is done by low-pressure spray, brush, or roller, depending on texture and exposure.
5. Detailing critical areas. Around window and door openings, control joints, and transitions from brick to siding, we seal small gaps with high-quality masonry-compatible sealants. For parapet tops, exposed wall caps, and chimney crowns, we may recommend additional cap coatings or sheet-metal flashing improvements.
6. Final inspection and clean-up. We check coverage, water beading, and appearance, clean adjoining surfaces, and review post-application care with you. You get clear guidance on expected performance and what maintenance to plan for in our Durham climate.
Waterproofing materials and coating options for Durham properties
There is no one-size-fits-all product for masonry waterproofing. Superior Masonry Durham uses different materials depending on the age of the building, the masonry type, and the level of exposure to wind-driven rain.
Clear penetrating repellents (silane, siloxane, or blends) are usually best for unpainted brick, concrete, and many natural stones because they do not change the appearance significantly. They soak into the pores and line them so water cannot enter easily, but water vapor from inside can still exit. These are excellent for Durham’s frequent summer storms followed by hot sun, where trapped moisture could cause spalling when temperatures swing.
For older or softer brick, especially on historic homes near downtown Durham or Trinity Park, we are careful to use lower solids, breathable products and avoid anything that forms a thick film. Hard films on soft brick can peel and take the brick face with them.
Block foundations, retaining walls, and heavily weathered surfaces may benefit from elastomeric or high-build acrylic coatings that bridge small hairline cracks and offer a thicker barrier. These coatings come in various colors and sheens, which can both protect and refresh the look of the wall. On interior basement walls we may pair a breathable coating with exterior drainage improvements to manage hydrostatic pressure.
In some specific cases, such as low garden walls or planters, we may install waterproof membranes on the soil side, then protect them with drainage boards or mortar so the waterproofing is not damaged during backfilling. Each option is chosen so that it works with, not against, existing materials and Durham’s moisture patterns.
What affects the cost of masonry waterproofing in Durham
Homeowners often ask why masonry waterproofing quotes can vary so much. Superior Masonry Durham walks you through the cost drivers before any work begins so you understand exactly what you are paying for.
Access and height. A one-story brick veneer is far simpler than a three-story chimney or commercial parapet. Projects that need staging, lifts, or complex ladder setups take more time and safety planning.
Repair level needed. If your brick and mortar are in good condition, we can move quickly to cleaning and application. If there is extensive repointing, brick replacement, or crack repair, the labor cost increases, but it also dramatically improves the life of the waterproofing.
Existing coatings and contamination. Heavy peeling paint, previous “waterproof” products, or biological growth like ivy residue all require more prep time. In some Durham neighborhoods, we frequently see older painted foundations that must be stabilized before any new coating will adhere well.
Product type and warranty period. Higher-performance silane blends or elastomeric systems cost more than basic sealers, but they usually last longer and perform better under wind-driven rain. We match the product level to the exposure and your budget, and explain the lifespan you can realistically expect in our region.
Size and complexity of the project. Total square footage matters, but so do details like recessed panels, decorative brickwork, or numerous openings that require masking and careful brushing. Once we inspect, we provide a written scope and price so there are no surprises.
Timing the work around Durham’s weather and your schedule
Masonry waterproofing products rely on proper temperature, surface dryness, and curing time. In Durham, the most reliable window for this work is typically late spring through early fall when nighttime temperatures stay above 40 to 45 degrees Fahrenheit and we can plan around afternoon storms.
We watch the local forecast closely before scheduling. Surfaces need to be dry for application and must stay free of heavy rain for a specific cure period, which can be anywhere from several hours to a full day depending on the product. For large projects, we often break the work into sections so we can take advantage of clear weather spells.
Humidity is another local factor. While our products are designed to work in the Southeast, very high humidity can slow curing. We adjust start times to avoid the dampest early morning periods, especially on shaded walls that hold overnight moisture.
If your project involves commercial operations downtown or near busy roads like Durham-Chapel Hill Boulevard, we can plan work around your business hours to limit disruption. For homeowners, we coordinate with other exterior projects such as painting or gutter replacement so trades are not fighting for the same workspace or interfering with fresh coatings.
Why choose Superior Masonry Durham for masonry waterproofing
Masonry waterproofing is not just a “spray and go” service. Done the wrong way, it can actually trap water and damage your brick or block. Superior Masonry Durham is a local company that works on Durham masonry year-round, so we see firsthand what works over time in our clay soils and humid climate.
We do not apply a product until we understand the root cause of your moisture problem. Sometimes the right answer involves both coatings and drainage or gutter improvements, and we will tell you that instead of promising that a single sealer will solve everything. Our crews are trained masons, not just coating installers, so they can handle the tuckpointing, crack repair, and small structural fixes that make waterproofing last.
From first inspection through final walk-through, you get clear explanations of our plan, the materials we will use, and what maintenance to expect in the years ahead. If you are in Durham or nearby communities like Chapel Hill, Hillsborough, or Bahama and you want masonry waterproofing that protects your brick, block, stone, and concrete without harming it, contact Superior Masonry Durham. We are ready to look at your property, share what we see, and recommend a straightforward path to dry, sound masonry.
