40 Feet of Exterior Waterproofing in Davisburg: Leak Fixed From Outside, No Basement Demo

Watch the Davisburg job: fixed from outside. Job at a glance The problem: a leak, and a basement nobody wanted to tear up This Davisburg […]

Watch the Davisburg job: fixed from outside.

Job at a glance

Town: Davisburg, MI (Springfield Township, Oakland County)
Property: home
Service: exterior waterproofing
What we did: 40 linear feet of exterior waterproofing to stop a basement leak at the source
Date: September 2026
Video: 51 seconds

The problem: a leak, and a basement nobody wanted to tear up

This Davisburg basement had a leak. Fixing it from the inside would have meant basement demolition.

Why not fix it from the inside

When a basement is finished, interior waterproofing often means tearing out walls, floors and living space to reach the base of the wall. Exterior waterproofing lets us fix the leak from the outside instead, and stop the water at the source.

How we fixed it

We waterproofed 40 linear feet of the foundation from the outside. Exterior waterproofing means we:

Excavate along the wall down to the footing
Clean and prep the wall
Apply the waterproofing membrane
Install the footing drain
Backfill

Excavated foundation wall covered with black waterproofing membrane during exterior waterproofing in Davisburg, MI — The foundation dug out and covered with waterproofing membrane during the job.

The result

The leak was stopped at the source, and the basement didn’t need any demolition. Our workmanship on the waterproofing membrane is backed by our 25-year transferable limited warranty. The footing drain is drainage, so the warranty doesn’t cover it.

Finished basement with a leak?

Exterior waterproofing may be the option that saves your living space. It isn’t always the whole house, either: this job was 40 linear feet. Read more about interior vs exterior waterproofing, or see exterior waterproofing and excavation.

More exterior jobs: West Bloomfield and Birmingham. We take jobs across Oakland County, including Waterford Township and exterior waterproofing in Oakland County.

Frequently Asked Questions

Often, yes. Exterior waterproofing fixes the leak from outside the wall, so the finished space inside stays put. That’s the approach we took on this Davisburg job: no basement demo.

Not always. This job was 40 linear feet of exterior waterproofing to stop a leak at its source. We look at where the water is getting in before we decide how much wall needs it.

Exterior waterproofing runs about $3,000 to $60,000, mostly depending on how much wall needs it and what’s in the way. Estimates are free. See the cost guide.

Yes, for our workmanship on the waterproofing membrane, which carries our 25-year transferable limited warranty. The warranty doesn’t cover footing drains or exterior drain tile, French drains, dry wells, excavation, the sump pit or the pump.

Yes. Davisburg is in Springfield Township in Oakland County, and we take jobs across Southeast Michigan.

Leak in a finished basement? Call or text (586) 345-7292 for a free estimate. We typically reply within 2 hours.

Mansour’s Innovations LLC: owner-operated since 2014, licensed, bonded and insured. 4.9 stars from 110+ Google reviews. See all projects.

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