We diagnose the actual water source before we quote anything — no guessing, no upsell, just a plan sized to your basement.

We've seen enough Union Pier, MI basements to know that a wet spot in one corner rarely tells the whole story. Before we recommend drain tile or a sump upgrade, we trace the water back to where it's actually entering, not just where you noticed it.
Every technician carries full state licensing and liability coverage before they ever step into your basement.
Our Union Pier, MI crews are staffed locally, so a wet basement call doesn't sit in a national queue for a week.
No hourly billing and no change orders once your basement floor is already open.
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 Union Pier, MI 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.
We install membrane on masonry walls before any insulation or framing goes up, so moisture never gets a chance to reach finished materials.
Window wells that hold water after a storm are a direct pressure point against the glass and frame — we add gravel beds and drain lines tied into the main system.

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."
— Union Pier Homeowner
"Water came in around our window well every time it rained hard. They regraded it and added a drain line — problem solved."
— Union Pier Customer
"Appreciated that the estimate matched the final invoice exactly — no surprise add-ons once the floor was already open."
— Union Pier Homeowner
"Basement had been damp for years. Drain tile and a new sump system fixed it in three days."
— Union Pier Customer
Every Union Pier, MI 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.
Larger basements or those needing extensive crack repair can take a bit longer — we'll give you a realistic timeline in the written quote.
Not always — an isolated, non-leaking crack can sometimes be handled with injection alone.
We provide photos and moisture readings that many Union Pier, MI homeowners have used to support a claim.
Yes, every interior drain tile and sump installation comes with a written warranty, explained in full before you approve the quote.
We install interior drain tile and sump systems throughout Union Pier and the surrounding Union Pier, MI service area, including the zip codes listed below.



Zip codes we serve in Union Pier, MI: 49129
Call now for a free inspection and a flat-rate quote before anything gets worse.
Call +1-866-476-1348© SGP Waterproofing. All rights reserved.