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We provide masonry waterproofing and coating services for commercial and multifamily buildings throughout Rochester, NY. Our team applies breathable sealers, elastomeric coatings, and flashing repairs to control water penetration through brick, block, and stone. Protect your investment by addressing leaks at walls, parapets, and balconies before they spread.
Superior Masonry Rochester provides professional masonry waterproofing throughout Rochester, NY, New York and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call (585) 517-2046 or request your free quote.
Protecting Rochester Masonry From Water, Inside and Out
In Rochester, masonry is constantly tested by lake-effect snow, freeze-thaw cycles, and heavy spring rains. Without proper masonry waterproofing, even a solid brick or block wall can start to absorb moisture, leading to spalling brick faces, crumbling mortar, and interior leaks.
Superior Masonry Rochester focuses specifically on waterproofing the types of structures common in our area: 1920s and 1930s city homes with brick foundations, block basements in 1950s suburbs, lakefront cottages, and mixed brick-and-stone commercial buildings. Each type reacts to water differently, so our approach is tailored to the construction you actually have, not a one-size-fits-all coating.
Our goal is not just to roll on a sealer and leave. Effective masonry waterproofing means understanding where water is getting in, how your building is vented and drained, and how the wall was originally built. We combine repairs, breathable waterproof coatings, and drainage improvements as needed so your masonry can shed water without trapping it inside.
Our Masonry Waterproofing Process, Step by Step
Every project with Superior Masonry Rochester starts with a careful inspection. We look for telltale signs like efflorescence (white salt deposits), flaking brick faces, hairline step cracks in mortar joints, damp spots that appear after a storm, and peeling interior paint on basement walls. We also pay attention to gutters, grading, and downspout locations because poor drainage often drives masonry leaks.
After documenting the problem areas with photos, we clean the masonry. For exterior work this usually means low-pressure washing to remove dirt, loose paint, and surface salts, followed by a light brushing of joints. For interior basement walls we often use hand scrubbing and HEPA vacuuming so dust and debris do not spread through finished areas.
Next we handle repairs before waterproofing. This may include tuckpointing deteriorated mortar joints, replacing spalled or cracked bricks, patching block cores that have opened up, and sealing active cracks with flexible masonry sealants or hydraulic cement, depending on the location and movement. Waterproofing is only as good as the substrate underneath it, so we take time here.
Once repairs cure, we apply the chosen waterproofing system. For most above-grade masonry we use penetrating silane or siloxane sealers that soak into the brick or block and repel water while keeping the wall breathable. For below-grade exterior foundations, we typically install a thicker elastomeric or asphalt-modified coating, sometimes combined with a drainage board. Interior below-grade walls may get a cementitious waterproof coating designed to bond with damp masonry. Each layer is applied according to manufacturer specs for coverage rate, temperature, and drying time.
Finally, we test and review. Our crew checks for missed spots, thin areas, and potential weak points like pipe penetrations and sill lines. When possible, we schedule a follow-up after a major rain so you can confirm the difference in real weather, not just on paper.
Waterproofing Options for Rochester Brick, Block, and Stone
The right masonry waterproofing method depends on your building materials, your moisture problem, and whether the surface is above or below grade.
For older brick veneers and historic facades in neighborhoods like Park Avenue or Corn Hill, Superior Masonry Rochester usually recommends a breathable penetrating sealer. These clear treatments soak into the brick and mortar, repel liquid water, and allow interior moisture vapor to escape. This approach helps preserve the original appearance and reduces the risk of trapped moisture flaking the brick in winter.
Concrete block foundations and walkout basements in areas like Greece or Henrietta often need a different strategy. The hollow cores in these blocks can carry water if exterior waterproofing is missing or failing. In many cases we combine exterior elastomeric coatings with crack injection or interior cementitious coatings where excavation is not practical. We also pay extra attention to mortar joints and the cold joint between the footing and the first course of block, a common leak path.
Stone foundations, common in older Rochester homes, are highly irregular and often mortared with softer lime-based mixes. For these, we focus on careful repointing with compatible mortar, followed by breathable coatings that can flex with the wall. Overly rigid or non-breathable products can cause the stone or old mortar to deteriorate, so we match the system to the age and type of construction.
For commercial block or split-face block buildings, we often use high-performance elastomeric wall coatings over a well-prepared, patched surface. These coatings bridge hairline cracks and provide a uniform, washable finish while keeping water out of the block cores.
Interior vs Exterior Waterproofing Around Rochester
Many Rochester homeowners first notice masonry moisture problems in the basement, usually as damp spots, peeling paint, or a musty odor. Superior Masonry Rochester evaluates whether your issue needs exterior work, interior treatments, or both.
Exterior masonry waterproofing is the most direct way to keep water off your walls. This can involve excavation down to the footing, cleaning the foundation, patching cracks, applying a thick waterproof coating, and sometimes adding a dimpled drainage board or fabric. We coordinate with grading and downspout extensions so water is carried away. This approach is more involved but addresses the problem at its source.
Interior waterproofing for masonry is often more affordable and less disruptive, especially where exterior access is limited by concrete patios, driveways, or neighboring structures. Options include cementitious waterproof coatings on the interior face of block or brick, sealing joint lines and penetrations, and installing interior drainage channels or sump systems to manage water that reaches the inside. While this does not keep all water off the exterior of the wall, it can successfully keep finished spaces dry.
In some older Rochester homes, the right answer is a hybrid. For example, we may waterproof the most exposed exterior wall where runoff is the worst, then use interior coatings and drainage on the less accessible sides. We always explain the pros, cons, and costs of each option before any work begins.
What Drives Cost in Masonry Waterproofing Projects
Customers often ask why masonry waterproofing estimates can vary so much. The main factors are access, wall condition, and the type of system needed.
Access and excavation depth have a big impact. A foundation that can be reached easily with a mini-excavator is less costly than one that sits under decks, stairs, or tight side yards that require hand digging. Deeper basements around 8 feet also increase labor and materials compared to shallow crawlspaces.
The existing condition of your masonry is another driver. If your brick or block has widespread spalling, missing mortar, or prior coatings that are peeling, we must invest more time in preparation. Removing failing waterproofing, grinding or raking out joints for repointing, and replacing damaged units can be a significant part of the budget, but it is essential for a long-lasting result.
System choice and product performance level matter too. Penetrating sealers are usually less expensive than full elastomeric wall systems with drainage boards. However, on a heavily exposed wall, especially below grade, a thicker and more robust system may prevent future repairs and interior damage. We walk you through the options so you are not paying for features you do not need, but you are also not under-protecting a vulnerable wall.
Finally, project size affects unit pricing. A small stairwell wall may have a higher per-square-foot cost than a full foundation because setup, protection, and cleanup time are similar regardless of size. Superior Masonry Rochester provides itemized proposals so you can see where your investment is going.
Common Local Moisture Problems and How We Solve Them
Our crews see recurring moisture patterns across Rochester that are tied to our climate and building styles. Understanding these helps us fix the root problem instead of just treating symptoms.
One common issue is freeze-thaw spalling on south and west facing brick, especially on older two-story homes. Sun melts snow, water soaks into the brick, then night temperatures refreeze it. We typically replace the worst spalled bricks, repoint soft joints, and apply a penetrating water repellent that reduces absorption so the cycle is less damaging.
Another frequent problem is wet block foundation walls that leak at the bottom edge where the wall meets the floor slab. This often shows up as a damp line or small puddles after a heavy rain. Our solution may include exterior foundation waterproofing down to the footing combined with improved surface drainage, or interior cove joint drainage tied into a sump, plus a compatible wall coating to keep moisture from wicking up.
We also see water intrusion around attached garage foundations and masonry porches, where concrete slabs slope toward the house or where the original flashing has failed. In these cases we address slope and drainage first, then seal or re-build the affected masonry, finishing with a waterproof coating designed to bridge those vulnerable joints.
By focusing on the specific failure patterns we see in Rochester, Superior Masonry Rochester can give you practical recommendations instead of generic advice that does not match our local conditions.
Why Work With Superior Masonry Rochester for Waterproofing
Choosing the right contractor for masonry waterproofing in Rochester is about more than price. You need someone who understands both masonry and water behavior in our climate.
Superior Masonry Rochester is a local company, and most of our work comes from referrals in neighborhoods like Irondequoit, Brighton, and the city itself. Our crews are trained to work with brick, block, and stone, and we use products suited for freeze-thaw conditions and salt exposure, not just mild-weather sealers.
Before we start, we provide a clear scope that explains what surfaces will be treated, which repairs are included, what type of waterproofing system we are using, and how long it is expected to last under normal conditions. During the job, we protect landscaping and adjacent finishes, and we keep you informed about what we find once walls are opened up or excavated.
After completion, we show you exactly what was done and explain any maintenance that will help preserve your investment, such as keeping gutters clean, watching for new cracks, or avoiding non-breathable paints over treated masonry. If you are considering masonry waterproofing for a home or building in Rochester, NY, we are glad to visit your property, inspect your masonry, and prepare a detailed, locally informed plan to keep it dry.
