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We provide masonry waterproofing in Raleigh, NC to protect brick, block, and stone buildings from moisture intrusion. Our team applies breathable sealers, coatings, and flashing details that keep water out while allowing walls to perform. Extend the life of your facade and reduce maintenance with proper waterproofing.
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.
Protecting Brick, Block, and Stone From Raleigh’s Weather
Raleigh is tough on masonry. We get hot, humid summers, sudden downpours, followed by cold snaps that cause freeze-thaw cycles. All of that moisture is constantly trying to work its way into your brick, block, and stone. Masonry waterproofing is how we slow that process down and keep your walls, chimneys, steps, and foundations solid and dry.
At Superior Masonry Raleigh, we focus on breathable masonry waterproofing. That means we apply materials that help block liquid water from soaking in, but still allow trapped moisture vapor to escape. This is critical in our climate. If you seal masonry with the wrong product and it cannot breathe, moisture gets trapped inside the wall. Over time that can lead to spalling brick faces, efflorescence, and even interior mold.
Our approach is not one-size-fits-all. Brick veneer on a Five Points bungalow needs different treatment than a block foundation in North Raleigh or a commercial CMU wall in an industrial park. Before we ever suggest a product, we look at the age of the masonry, what type of units and mortar were used, whether it has been sealed or painted before, and how water currently hits and drains off the structure.
The goal is simple: reduce water absorption, lengthen the life of your masonry, and cut down on problems like peeling paint, damp basements, and crumbling mortar, without changing the natural look of your brick or stone unless you specifically want a tinted or film-forming coating.
How Our Masonry Waterproofing Process Works On Your Property
Every job with Superior Masonry Raleigh follows a clear step-by-step process so you know what is happening and why.
1. Inspection and moisture mapping: We start by walking the property with you. We look for stained brick, white efflorescence, hairline cracks, failing caulk lines, soft or sandy mortar, and any interior signs like musty smells, peeling baseboards, or water lines. We also note where roof runoff, downspouts, and grading may be feeding water into the masonry.
2. Surface cleaning and prep: Masonry waterproofing only works on clean, sound surfaces. We usually do a low-pressure wash to remove dirt, mildew, and loose paint. On historic or softer brick, we avoid harsh pressure that can chew up the surface. If we see algae or mold, we use a masonry-safe cleaner so the growth does not bleed back through the coating.
3. Repairs before coating: If there are open mortar joints, cracks, or damaged brick faces, we repair those first. That can include tuckpointing joints with a compatible mortar, patching voids in block walls, replacing badly spalled bricks, or re-caulking control joints and window perimeters. Coating over defects only hides problems for a short time, so we correct them up front.
4. Choosing the right system: Once the surface is ready, we match the product to your specific need. For most exposed brick in Raleigh, we use a clear silane or siloxane penetrating sealer that soaks into the masonry and sheds water without making it shiny. On foundation walls that will be backfilled or are already below grade, we may recommend a thicker elastomeric or cementitious waterproofing with reinforcing fabric at critical seams.
5. Application and quality check: We apply coatings by low-pressure sprayer, roller, or brush depending on what gives the most even coverage and least overspray. On vertical brick walls we often do a flood coat from the bottom up so the sealer can soak in and we can see where it has penetrated. After curing, we test selective areas with a light water spray to confirm beading and absorption reduction before we call the job complete.
Waterproofing Options: Sealers, Coatings, and Where Each Works Best
Different parts of your home or building need different types of masonry waterproofing. We take time to explain options so you know what you are getting and how long it should last.
Penetrating sealers: These are our go-to for exposed brick, stone, and block above grade in the Raleigh area. They soak into the pores and chemically bond to the masonry. From the street, you usually cannot tell anything has been applied, but rain will bead and run off instead of soaking in. They are ideal for chimneys, brick facades, porch steps, and retaining walls where you want to preserve the natural look.
Elastomeric coatings: On stucco, parged block, and some commercial CMU walls, a high-build elastomeric coating can bridge hairline cracks and provide a thicker moisture barrier. These are usually tinted to match the building and are visible like a heavy-duty paint. Used correctly over sound masonry, they can dramatically reduce water intrusion into occupied spaces.
Cementitious and below-grade systems: For basement walls, crawlspace foundations, and retaining walls that are in contact with soil, we often recommend a cementitious waterproof coating or membrane system combined with proper drainage. This is where details matter. Missing a cold joint, not tying into a footing drain, or skipping rebar penetrations can lead to leaks later, so we take extra time on transitions and penetrations.
Specialty and problem-solving products: Sometimes previous work limits what can be done. Painted brick, for example, typically cannot use a penetrating sealer until the paint is removed. In those cases we may use high-performance masonry paints or breathable coatings designed for painted substrates. For persistent leaks through a block wall, we might use crystalline waterproofing products that react within the concrete to block water movement.
In every case, we explain pros, cons, maintenance expectations, and realistic service life in Raleigh’s climate so you can choose what fits your budget and long-term plans.
What Drives Cost And How We Handle Common Moisture Problems
Homeowners often ask why masonry waterproofing quotes can vary so much. The cost is driven by a combination of access, repairs, product choice, and square footage.
Access and height: A simple one-story brick wall that we can reach from the ground or short ladders costs less than a tall chimney that requires roof work or scaffolding. In downtown Raleigh or tight side yards, setup time and safety measures impact labor hours.
Condition of the masonry: If your brick and mortar are in good shape, we can move directly into cleaning and coating. When we find widespread soft mortar, cracked caps, or missing flashing, we will recommend addressing those first. Sometimes the best investment is a new chimney crown, improved coping, or added downspout extension combined with waterproofing rather than coating alone.
Product type and number of coats: Premium silane-siloxane sealers and elastomeric systems cost more than basic water repellents, but they also tend to last longer and perform better in heavy rains. Some substrates need two coats to reach proper absorption and coverage, especially older or more porous brick.
Common problems we help Raleigh property owners tackle include chimney leaks that show up as dark stains above a fireplace, damp basement block walls, efflorescence lines where porch slabs meet house walls, and interior paint blistering along brick veneer. We do not just cover the symptoms. We look for missing or clogged weep holes, poor grading, unsealed through-wall penetrations, and deteriorated sealant joints that may be feeding the issue.
Before you spend money, we will walk you through what we believe is causing the problem, what waterproofing can realistically fix, and whether any drainage or roofing changes should go along with the work.
Why Local Experience Matters For Masonry Waterproofing In Raleigh
Masonry behaves differently in Raleigh than it does in drier or colder regions, and local experience really matters. At Superior Masonry Raleigh, our crews spend every season seeing how water moves around local homes and buildings, from older brick homes inside the Beltline to newer subdivisions with brick veneer and block foundations in surrounding areas.
We understand how our heavy thunderstorms can overwhelm gutters and drive water directly into brick near rooflines. We see the effect of winter freeze-thaw on north-facing walls that stay damp longer. We also know that many Raleigh homes were built in phases with different brick batches and mortar mixes, so matching appearance and performance when we do repairs is part of your waterproofing plan.
A national product brochure will not tell you that a clear sealer applied too heavily can leave shiny runs on certain local clay bricks, or that some older soft brick in historic neighborhoods should never see high-pressure washing. That comes from working on thousands of square feet of real walls in this area and seeing what holds up.
When you contact Superior Masonry Raleigh for masonry waterproofing, we will schedule an on-site visit, answer your specific questions, and provide a written proposal that explains scope, products, and preparation work. You will know what to expect during the job, what maintenance looks like afterward, and how often you might want us back for re-inspection or re-coating so your masonry stays protected in our changing Raleigh climate.
