Hear from Our Customers
When the waterproofing is done right, you stop mentally tracking the weather forecast every time a storm rolls through Montgomery County. No more checking the basement after a heavy rain. No more moving boxes off the floor in March when the snowmelt starts. That’s the actual outcome — not a product pitch, just a basement that works the way it’s supposed to.
Lansdale sits on clay-heavy soil that holds water long after the rain stops. That sustained pressure against your foundation walls is what causes the slow seepage, the wall cracks, and the damp smell that never quite goes away. A proper waterproofing job accounts for that — not just the moment the water enters, but the conditions that keep pushing it in.
Older homes throughout Lansdale — many built between the 1940s and 1970s — tend to have block foundations that are especially vulnerable to inward movement and stair-step cracking over time. Once that’s addressed correctly, you’re also protecting real equity. Median home values in Lansdale have climbed significantly, and a documented wet basement is one of the fastest ways to lose ground in a sale negotiation.
We’ve been working in Chester, Delaware, Montgomery, Bucks, and New Castle counties for over 20 years. Lansdale and the surrounding North Penn Valley are squarely in our backyard — we know the soil, the housing stock, and the conditions that make basements here behave the way they do.
What makes us different isn’t a slogan. It’s that we handle everything under one roof — water intrusion, mold remediation, environmental testing, and structural waterproofing. In a borough where a large share of homes predate 1978, that matters. Our principals hold certified lead inspector and Risk Assessor credentials with full EPA/HUD compliance, which means work in your older Lansdale home is done safely and legally — not just quickly.
We’re fully licensed, bonded, and insured. We offer free estimates, cash discounts, and 24/7 phone availability. When you call us, you reach a real person — not a call center routing you through a national franchise three counties away.
It starts with a free estimate. We come out, look at what’s actually happening in your basement, and tell you what we find — no pressure, no manufactured urgency, no upselling you into a system you don’t need. If it’s a minor crack repair, we’ll tell you that. If it’s a drainage issue being driven by Lansdale’s clay soil and poor natural runoff, we’ll explain exactly why and what fixing it looks like.
From there, we scope the work and walk you through it before anything starts. Depending on what’s involved — interior drainage installation, sump pump work, wall crack repair, or exterior membrane application — we’ll handle any required permitting with Lansdale Borough’s Department of Community Development. Structural work that involves concrete cutting or foundation modification typically requires a borough permit, and we navigate that process so you don’t have to.
Once the work begins, we use HEPA filtration throughout to keep your living space clean during the job. Most projects move efficiently — we’re not a company that books you six weeks out and disappears. When we’re done, we walk you through what was done and what to watch for going forward. No mystery, no jargon.
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Most waterproofing companies stop at the water. We don’t. Because in Lansdale’s older housing stock — particularly the block foundations common throughout the borough’s pre-war and post-war neighborhoods — water intrusion rarely arrives alone. Moisture leads to mold. Mold in a home built before 1978 means potential lead paint disturbance. That chain of problems is exactly why our one-stop model exists.
Depending on what your basement needs, we handle interior drainage systems, sump pump installation and replacement, foundation crack repair, exterior waterproofing membranes, mold remediation, and full environmental testing. Every job is scoped specifically to your home — not a pre-packaged system sold on commission. If you’re near the Pennbrook or 9th Street end of the borough where older attached homes and twins tend to share drainage patterns with neighboring properties, that affects how we approach the solution.
We also carry cash discounts for homeowners who prefer to pay directly, and free estimates are always included. No obligation, no pressure. For a borough where the typical homeowner is a smart, time-pressed buyer who’s going to get a few quotes — that’s the way it should be.
Patching a crack or applying a coat of waterproofing paint addresses the symptom, not the cause. In Lansdale, the real driver is usually hydrostatic pressure — water-saturated clay soil pressing against your foundation walls continuously, not just during a storm. Once that pressure finds a weak point, it will keep finding it, even after you’ve sealed the obvious entry.
The only way to stop it long-term is to address what’s happening on the drainage side: where water is accumulating around your foundation, how it’s being directed away (or not), and whether your interior drainage and sump system can handle the load. Lansdale gets 48 inches of rain per year on average — that’s not a weather anomaly, it’s the baseline. A proper fix accounts for that baseline, not just the last bad storm.
The honest answer is that it depends heavily on what’s actually wrong. A straightforward interior crack injection or minor seepage repair can run a few hundred dollars. A full perimeter interior drainage system with sump pump installation in a larger Lansdale home typically falls in the $5,000–$12,000 range. Exterior waterproofing that involves excavation and membrane application tends to be on the higher end.
What affects cost most is the scope — the size of the basement, the foundation type (block foundations common in Lansdale’s older homes often require more work than poured concrete), and whether mold remediation or environmental testing is needed alongside the waterproofing. That’s why a free, in-person estimate matters more than any ballpark figure. We come out, assess the actual conditions, and give you a real number before any work begins.
It depends on the scope of the work. Interior sealant applications and basic sump pump replacements typically don’t require a permit. But if the work involves cutting concrete, installing a full interior drainage system, or any exterior excavation, Lansdale Borough’s Department of Community Development will generally require a building permit under Pennsylvania’s Uniform Construction Code.
This is one area where hiring a fully licensed and insured contractor matters practically, not just on paper. We handle the permitting process as part of the job — we know what Lansdale Borough requires, we pull the permit when it’s needed, and the work is done in a way that passes inspection. You don’t have to figure out the borough’s requirements on your own while also dealing with a wet basement.
Yes, and here’s why it tends to get worse over time rather than better. What you’re describing is usually hydrostatic pressure overwhelming your current drainage situation during peak rainfall events. In Lansdale, with its clay soil and above-average annual precipitation, those events aren’t rare — they’re a regular part of spring, summer, and fall.
Each time water forces its way through a crack or joint, it widens the opening slightly. The freeze-thaw cycle through Montgomery County winters does the same thing. What starts as a leak during major storms gradually becomes a leak during moderate rain, and eventually a persistent seepage problem. Addressing it while it’s still event-driven is almost always less expensive than waiting until it’s chronic. A free estimate costs you nothing and gives you a clear picture of where things are headed.
Exterior waterproofing addresses the problem at the source — it involves excavating around your foundation, applying a waterproof membrane to the outside of the wall, and improving drainage so water is directed away before it ever reaches the foundation. It’s the most comprehensive approach, but it’s also more invasive and typically more expensive.
Interior waterproofing manages water after it enters the wall system — using drainage channels, sump pumps, and vapor barriers to collect and redirect water before it damages your living space. For many Lansdale homes, particularly older attached or semi-detached properties where exterior excavation is difficult or impractical, interior waterproofing is the more realistic solution. The right answer depends on your specific foundation type, the source of the water intrusion, and what’s structurally and logistically feasible. That’s what the initial assessment is for.
We offer cash discounts on waterproofing work, and that applies to Lansdale customers the same as anywhere in our service area. For a borough where a lot of homeowners are making a significant investment in an older home — often one they’ve lived in for years or recently purchased after a home inspection flagged moisture issues — keeping the cost honest matters.
Lansdale has a cost-conscious, comparison-shopping homeowner base, and we respect that. The free estimate is the starting point — no obligation, no pressure, just a clear look at what’s happening and what it costs to fix it. If you’re paying cash, we pass the savings along directly. It’s straightforward, and it’s the same approach we take to the work itself.
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