Home › Masonry Waterproofing and Coatings
We provide masonry waterproofing in Scottsdale, AZ to protect commercial and multi family buildings from moisture damage. Our services include sealers, elastomeric coatings, and targeted repairs on brick, block, and stone walls. Proper waterproofing helps prevent leaks, efflorescence, and premature deterioration of your exterior envelope.
Superior Masonry Scottsdale provides professional masonry waterproofing throughout Scottsdale, AZ, Arizona and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call (623) 288-3988 or request your free quote.
Masonry waterproofing tailored to Scottsdale’s climate
Masonry waterproofing in Scottsdale is not just about stopping leaks. It is about protecting brick, block, stone, and stucco from intense sun, sudden monsoon storms, and wide temperature swings. At Superior Masonry Scottsdale, we focus on how your specific walls, columns, planters, or hardscape features behave in this desert environment so we can choose the right waterproofing system.
Our first step is always a detailed visual and moisture inspection. We look for hairline cracks, failed mortar joints, efflorescence (white salt deposits), dark damp areas, blistered paint or sealer, and any signs of spalling where the face of the masonry is flaking. Around foundations and garden walls, we also check soil lines, sprinkler overspray, and drainage patterns to see where water is actually coming from.
From there, we match the treatment to the material. For natural stone or brick that needs to breathe, we usually recommend a penetrating, breathable water repellent that soaks into the surface and lines the pores. For block walls facing heavy wind-driven rain or retaining walls that hold back soil, we may use an elastomeric coating that creates a flexible protective film on the surface. Stucco often benefits from a combination approach: repairs to cracks and a high-build coating to bridge small movement.
Because Scottsdale has so much UV exposure, we only use coatings and sealers that are UV resistant. Cheap products can turn chalky, peel, or yellow within a couple of summers. Our systems are chosen specifically to handle the Arizona sun, sudden temperature shifts, and the dust that rides on those monsoon winds.
Our step-by-step masonry waterproofing process
When Superior Masonry Scottsdale waterproofs your masonry, we follow a consistent process so the system performs for years, not just one rainy season.
1) Surface assessment and testing. After the visual inspection, we may perform a simple water absorption test on a small area to see how fast the masonry takes in water. This tells us whether a penetrating sealer will be effective or if the surface is already too dense or contaminated with old coatings.
2) Cleaning and prep. No waterproofing will stick to dirty or chalky masonry. We typically use a low-pressure wash with masonry-safe cleaners to remove dust, efflorescence, and loose paint. On older walls with heavy white salts, we may do a mild acid neutralizing wash, then rinse thoroughly. Surfaces must dry completely before we proceed, which is usually quicker in Scottsdale’s dry air but can take longer in shaded or north-facing areas.
3) Repairing cracks and mortar. Next, we route and fill cracks with flexible sealants and repair damaged joints with compatible mortar or patching compounds. On retaining walls and stem walls, this step is critical because these cracks often telegraph back through coatings if not handled correctly. We also address any failed control joints so the new system can move with the wall instead of splitting.
4) Priming and base coats. If we are applying a film-forming coating, we install a masonry primer that helps with adhesion and evens out absorption. On more porous block, we may use a block filler that smooths pinholes and bug holes to prevent future blistering.
5) Applying waterproofing or coating. Penetrating sealers are usually applied with a low-pressure sprayer and back-rolled to ensure saturation. Elastomeric or acrylic coatings are brushed and rolled, often in two coats, to hit the specified dry film thickness. We pay special attention to wall tops, parapets, capstones, and transitions to roofing or concrete slabs, since these are common leak paths.
6) Final inspection and touch-ups. Once the waterproofing is dry, we walk the project with you, check coverage in different light conditions, and perform spot water tests if appropriate. You get care instructions and realistic expectations on how long the system should last in Scottsdale’s conditions.
Real-world waterproofing issues we see in Scottsdale masonry
Scottsdale homes and commercial properties share a few consistent masonry problems that waterproofing can solve or prevent. Understanding these issues helps you talk with us about the right approach for your property.
Efflorescence on block walls is extremely common here. Irrigation overspray, poorly placed drip lines, or water pooling at the base of walls saturates the masonry. As the water evaporates, salts move to the surface and leave that chalky white look. We address the source of moisture first, then clean and apply a penetrating water repellent to reduce future absorption, especially on the exterior face.
Hairline cracking in stucco and CMU (concrete masonry unit) walls often comes from thermal movement. With Scottsdale’s hot days and cooler nights, walls constantly expand and contract. A standard paint job rarely bridges these movements for long. This is where elastomeric coatings shine, since they stretch slightly over micro-cracks and help keep water out even as the wall moves.
Parapet walls and capstones are another problem area. Flat-topped walls around roofs, patios, or courtyards often absorb water from the top and then leak into the wall below. If the tops are not properly sloped or sealed, water can travel horizontally and show up far from the entry point. We frequently re-seal cap joints, apply additional waterproofing to wall tops, and in some cases recommend minor masonry modifications to improve shedding.
Basement and below-grade walls are less common in Scottsdale than in other regions, but walk-out basements and lower-level garages near washes or in hillside lots can experience seepage during monsoon storms. For these, the solution may include exterior waterproof membranes, improved drainage, and interior coatings that handle mild hydrostatic pressure without peeling.
We also see problems when previous contractors or DIY efforts used the wrong products, such as non-breathable sealers on soft brick. Moisture gets trapped inside, and the surface begins to spall or flake. Part of our service includes identifying past coating types, planning safe removal when necessary, and replacing them with breathable systems suited to the specific masonry.
Cost factors and timing your masonry waterproofing project
Superior Masonry Scottsdale is always upfront about what drives the cost of masonry waterproofing, so you can plan realistically and compare bids fairly.
Square footage is the starting point, but condition and access usually matter more. A clean, newer block wall that only needs a penetrating water repellent is on the lower end of the cost range per square foot. An older wall that requires extensive crack repair, mortar repointing, and cleaning before a high-build coating will cost more. Tall walls or areas that need scaffolding or specialized lifts also add to labor.
Product selection is another key factor. Penetrating sealers generally cost less in materials and labor than multi-coat elastomeric systems, but they serve different purposes. We will walk you through the trade-offs, such as appearance (natural look versus a more painted finish), breathability, and expected lifespan in Scottsdale’s UV and heat.
Color and finish choices can affect cost as well. A simple clear sealer is straightforward. Tinted elastomeric, color matching to existing paint, or custom texture finishes requires more prep and careful application, which slightly increases labor. For commercial properties, adding safety markings or integrating branding colors around entries can expand the scope.
On timing, our local weather matters. The best seasons for masonry waterproofing in Scottsdale are fall, winter, and early spring, when daytime temperatures are moderate and nights do not drop too low for curing. We try to avoid coating work during peak summer afternoons when surface temperatures can exceed manufacturer limits, since this can cause premature skinning or poor adhesion. Light monsoon rain is not always a deal breaker, but we schedule carefully around storms so that surfaces have dry windows before and after application.
If you have an active leak, we will address it as soon as possible, even if we need to phase the project due to weather. For planned maintenance projects, scheduling a few weeks ahead of monsoon season is ideal, so your walls are protected before the heavy downpours begin.
What to know before hiring a masonry waterproofing contractor
Choosing the right contractor for masonry waterproofing is just as important as choosing the right product. At Superior Masonry Scottsdale, we encourage homeowners and property managers to ask pointed questions, whether you hire us or someone else.
Ask what specific products will be used and why. Any contractor should be able to explain, in plain language, whether they are proposing a penetrating sealer, an elastomeric coating, a breathable acrylic, or a specialty membrane, and how it suits Scottsdale’s climate and your exact masonry type. If the answer is just "a sealer" or "a waterproof paint," that is a red flag.
Request details about surface preparation. Proper cleaning, crack repair, and joint treatment are not optional steps. They are what allow the system to last. We provide written scopes that outline how we will handle existing coatings, efflorescence, mortar issues, and control joints, so you understand where your money is going.
Verify experience with local conditions. Masonry waterproofing in a humid coastal city is very different from waterproofing in Scottsdale’s hot, arid climate with intense UV and short, heavy rains. We can show you completed projects in nearby neighborhoods so you can see how coatings and sealers are aging after multiple summers and monsoon seasons.
Finally, clarify maintenance and expectations. Even the best waterproofing has a service life. We will explain how often you should plan to recoat or reseal, how to inspect your own walls after major storms, and which cleaning methods are safe so you do not accidentally damage the protective system. Our goal is to give you enough knowledge to protect your investment for the long term, and to make calling Superior Masonry Scottsdale an easy, confident decision when you are ready to move forward.
