Home › Masonry Waterproofing and Coatings
We provide masonry waterproofing and coatings in Brick Masters Pittsburgh, PA to protect brick, block, and stone on commercial buildings. Our services include sealers, elastomeric coatings, and parapet treatments that reduce leaks and deterioration. Schedule an evaluation to choose the right waterproofing system.
Brick Masters Pittsburgh provides professional masonry waterproofing throughout Brick Masters Pittsburgh, PA, Pennsylvania and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call (412) 388-2632 or request your free quote.
Masonry waterproofing for Pittsburgh’s real conditions
Pittsburgh masonry takes a beating from constant freeze-thaw cycles, wind-driven rain, and older coal-era construction. Many brick and block walls around the city were built before modern moisture standards, which means water finds its way in through hairline cracks, porous mortar, and aging coatings. Brick Masters Pittsburgh focuses specifically on masonry waterproofing that fits our local building styles, from 1920s brick homes in Dormont and Brookline to tall riverfront commercial buildings and row houses in Lawrenceville.
Our goal is simple: keep water out of your brick, stone, or block, without trapping moisture inside the wall. That requires correct material choice and surface prep, not just spraying on a sealer. We inspect for existing leaks, spalled brick, missing mortar, and failing paint films before recommending a waterproofing or coating approach. In many Pittsburgh homes, the fix is a combination of repointing critical joints, replacing damaged units, and then applying breathable waterproofing so the wall can dry out.
Brick Masters Pittsburgh does not treat masonry waterproofing as a quick add-on. It is a separate service with its own process, engineered to work with the specific kind of masonry you have. Solid brick, brick veneer over block, stone foundations, and CMU basement walls each get a different waterproofing strategy, because what protects one can damage another if used incorrectly.
Our step-by-step masonry waterproofing process
Every project starts with a thorough inspection of your walls, both inside and out. We look for water staining, efflorescence (white powder), flaking brick faces, damp basement corners, peeling paint, and soft mortar. Outside, we check the brick bond pattern, mortar type, previous coatings, and any cracks along lintels, chimneys, or parapets. In older Pittsburgh neighborhoods, we pay particular attention to brick that has already been painted or sealed with non-breathable products, since these often hide deeper moisture issues.
Surface preparation is the most important step. We power wash or gently clean with masonry-appropriate detergents to remove dirt, mold, and loose coatings. On historic or softer brick, we avoid harsh pressure that can erode faces or joints. Deteriorated mortar is cut out and repointed with a compatible mortar mix, and damaged bricks or blocks are replaced. If there are structural cracks or bulging areas, those must be stabilized before any waterproofing is applied.
After the wall is sound and clean, we test water absorption in multiple spots so we can choose the right product. For most exterior brick and stone in Pittsburgh, Brick Masters Pittsburgh uses penetrating, breathable water repellents based on silane or siloxane chemistry. These soak into the masonry and line the pores so liquid water cannot enter easily, but water vapor can escape. For below-grade block walls, chimney crowns, or parapet caps, we may recommend elastomeric or cementitious coatings that create a continuous waterproof film.
Application is done by low-pressure spray, brush, or roller, depending on the surface layout and surrounding landscaping. We control coverage to avoid runs and over-application, which can create a glossy or blotchy appearance. On very porous or weathered masonry, multiple coats may be needed to achieve an effective barrier. Once the coating is cured, we recheck key areas with a controlled water test to confirm that the wall sheds water rather than soaking it up.
Types of waterproofing and coatings we use
The right waterproofing product depends on the type and condition of your masonry, as well as how exposed it is to weather. Brick Masters Pittsburgh does not use one product for every wall, because that is how coatings fail prematurely.
Penetrating sealers (silane and siloxane) are usually our first choice for exterior brick, stone, and older block. They do not form a surface film, so they leave the original look of the wall mostly unchanged. These are ideal for homes that want to keep natural brick appearance, and for historic facades in neighborhoods like Squirrel Hill and Shadyside. They reduce water absorption significantly, which helps prevent freeze-thaw damage and efflorescence.
Film-forming coatings like elastomeric paints or acrylic masonry coatings are used in specific cases. On exposed parapets, chimney crowns, or heavily cracked stucco over masonry, a continuous flexible film can bridge minor cracks and shed water effectively. For interior basement walls made of block or stone, especially in older Pittsburgh basements with minor seepage, we often apply cementitious waterproofing coatings. These bond directly to the masonry and resist hydrostatic pressure when combined with proper exterior drainage.
In some problem areas, particularly around leaky window sills, lintels, or capstones, we use a combination approach. Joints are sealed with high-grade masonry sealant, then the surrounding area receives either a penetrating sealer or a compatible coating. Where previous coatings are failing or incompatible with modern products, we may recommend removal and a new system rather than layering on more material that will peel again.
Common Pittsburgh masonry problems waterproofing can fix
Homes and buildings in Brick Masters Pittsburgh, PA often show the same moisture symptoms after decades of weather. Knowing what you are looking at helps you decide when to bring us in.
Efflorescence is the white, chalky powder that appears on brick or block. It happens when water travels through the masonry and evaporates, leaving salts on the surface. Waterproofing alone will not fix heavy existing salts, so Brick Masters Pittsburgh first addresses the water source (like missing mortar or open tops of walls), cleans the efflorescence correctly, then applies a breathable repellent to slow it from returning.
Spalling brick, where faces pop off or corners crumble, is common where incompatible past coatings trapped moisture. We see this often on south and west facing walls that have been painted for years. Our process involves removing loose material, replacing badly damaged bricks, repointing, then using a product that allows the wall to dry out in both directions. Simply painting over spalled brick with a thick coating would speed up deterioration.
Basement seepage through block or stone walls is another routine issue in Pittsburgh. Waterproofing the interior face with the right cementitious coating can help, but only after we confirm that exterior grading, gutters, and downspouts are not the primary problem. Often, a combination of exterior wall waterproofing, improved drainage away from the foundation, and an interior barrier provides the most reliable fix.
We also handle chimney leaks, damp spots below parapet walls on flat or low-slope roofs, and water entry around brick window openings. In these cases, waterproofing is combined with flashing repair or replacement so water has no path into the wall system.
What affects masonry waterproofing cost and timeline
Customers often want a straight price per square foot, but accurate costs for masonry waterproofing in Brick Masters Pittsburgh, PA depend on several real-world factors. We are transparent about these upfront so you understand where your budget is going.
Access is a major driver. Single-story brick ranch homes with open yard access cost less to set up than three-story row houses with limited side yards or tall commercial facades that require lifts or extensive scaffolding. If we need to coordinate street permits in tighter city neighborhoods, that is considered in the estimate.
Surface condition matters more than total size. A smaller wall with heavy spalling, deep repointing needs, and failing paint can take more labor than a larger, clean wall needing only light prep. Brick Masters Pittsburgh always separates prep and repair from coating work in our proposals, so you can see how much is being invested in long-term durability rather than just “spray and go.”
Product choice also affects cost and expected lifespan. Higher quality silane and siloxane repellents cost more per gallon, but that cost is usually offset by longer service life and fewer call-backs. Elastomeric coatings and cementitious waterproofing require more labor to install correctly, especially where joints and transitions need special detailing.
Timeline for an average residential project ranges from one to three days, depending on repairs and drying time between coats. For larger commercial properties, work may be phased by elevation to keep access open and manage weather windows, particularly during Pittsburgh’s wetter seasons.
Why choose Brick Masters Pittsburgh for waterproofing and coatings
Many companies in the area treat masonry waterproofing as a sideline to painting. Brick Masters Pittsburgh is a masonry-first contractor, and we approach moisture control as part of the wall system, not just a finish. Our crews work only on masonry related tasks, such as repointing, brick replacement, chimney repair, and waterproofing, so they understand how each decision affects the long-term health of your walls.
We specifically tailor our work to Pittsburgh’s climate and housing stock. Old multi-wythe brick, soft clay brick from early 1900s kilns, and modern brick veneer all behave differently when sealed. We match products to those specific materials instead of using one generic sealer from a paint store. Before we start, we explain what we plan to use, why we chose it, and what you can realistically expect in terms of performance and lifespan.
During the job, we protect surrounding surfaces, landscaping, and neighboring properties from overspray or run-off. We schedule noisy surface prep during reasonable hours and maintain access to entries as much as possible. When we are finished, we walk you through the work, point out repaired areas, and discuss maintenance, such as how often to reapply sealers and what signs of moisture to watch for.
If you are seeing damp walls, flaking brick, or white staining on your masonry in Brick Masters Pittsburgh, PA, Brick Masters Pittsburgh can evaluate whether masonry waterproofing, coatings, or a combination of repairs is the right answer. Our goal is simple and practical: a drier, longer-lasting wall that handles Pittsburgh weather without constant patching or repainting.
