Interior drain tile, sump basins, and vapor barrier wall systems installed by technicians who've done this hundreds of times in Kensington, MD basements.
Basement waterproofing mistakes usually come down to one thing: fixing the symptom instead of the source. A contractor who paints over a wet wall without checking cove joint condition or exterior grading is setting you up for the same call again in a year or two.
Every technician carries full state licensing and liability coverage before they ever step into your basement.
Our Kensington, MD crews are staffed locally, so a wet basement call doesn't sit in a national queue for a week.
You get one written number before drilling starts, covering drain tile, sump basin, and discharge line.
We use pin-type moisture meters and a flashlight-and-crowbar inspection to trace water back to its real entry point.
We scope every Basement Waterproofing job in person before quoting it, since two properties with the same symptom rarely need the same fix.
The core fix for most Kensington, MD basements: a perimeter drain cut into the slab edge, tied to a sump basin, that intercepts water before it reaches the floor.
Battery backup is available for any sump system, so a power outage during a storm doesn't undo the whole fix.
Vertical wall cracks get epoxy or polyurethane injection depending on whether they're still actively weeping.
A dimpled plastic membrane behind any finished basement wall channels residual moisture down to the drain tile instead of trapping it behind drywall.
Poor window well drainage is one of the most overlooked Kensington, MD basement leak sources, and it's often the cheapest fix on the list.
You describe what you're seeing — a wet spot, a musty smell, standing water — and we get a rough read on urgency before dispatching anyone.
A technician walks the basement with a moisture meter, checking walls, floor, and cove joints to trace the water back to its actual source.
You'll see drain tile footage, sump specs, and labor broken out separately, not one vague lump-sum number.
You'll get warranty paperwork and a walkthrough of how the system works so you know what to expect going forward.
"Our finished basement started smelling musty and we finally found a wet spot behind the drywall. They cut open the cove joint, ran drain tile, and it's been dry for over a year."
— Kensington Homeowner
"Water came in around our window well every time it rained hard. They regraded it and added a drain line — problem solved."
— Kensington Customer
"Appreciated that the estimate matched the final invoice exactly — no surprise add-ons once the floor was already open."
— Kensington Homeowner
"Installed a battery backup sump pump for us right before a big storm season — glad we did it when we did."
— Kensington Customer
Every Kensington, MD quote is itemized in writing so you can see exactly what drives the total.
Yes — interior drain tile requires cutting a channel along the slab edge, which we patch with concrete once the system is installed.
Most residential interior drain tile and sump installations finish in one to three days depending on basement size.
Not always — an isolated, non-leaking crack can sometimes be handled with injection alone.
We provide photos and moisture readings that many Kensington, MD homeowners have used to support a claim.
Warranty terms are often transferable if you sell the property later.
We install interior drain tile and sump systems throughout Kensington and the surrounding Kensington, MD service area, including the zip codes listed below.
Zip codes we serve in Kensington, MD: 20895 20891
One call gets you a licensed specialist, a written quote, and a same-day time window.
Call +1-866-476-1348© SGP Waterproofing. All rights reserved.
