Why We Still Check Crawlspaces Months After Installation

Stetson Howard • May 5, 2026

I Went Back to a Job We Finished Months Ago

HERE'S WHY FOLLOW-UP MATTERS FOR YOUR CRAWLSPACE

I got a call from a customer in Decatur last week. We did their crawlspace months ago. Everything was working great. But they needed help with their door.


Most crawlspace companies would've blown them off. Too small. Not worth the trip. Maybe they'd quote some ridiculous price hoping the customer would just go away.


We came out and handled it.


And while I was there, I walked the whole crawlspace again. Checked everything. Made sure it all still looked good months after we finished.


That's what follow-up actually looks like. Not a warranty you can never use. Not a customer service line that puts you on hold. Just showing up when someone needs you.

  • crawl space

The Door That Wasn't Working

The builder had installed a door when they built the house. And it looked fine. But it wasn't sealing properly.


Gaps everywhere. Air coming in and out. Probably mice too. When your crawlspace door doesn't seal, you're losing all the benefits of that encapsulation and dehumidifier.


So we built them a new one. PVC construction with weather stripping on the backside. Now it actually seals. No gaps for moisture or critters to get through.


A proper crawlspace door isn't just a piece of wood screwed into the foundation. It needs to seal tight. Because even a small gap can let in enough humid air to mess up your whole system.

White crawl space with vapor barrier on floor and walls; ductwork and wires visible.
Crawlspace coated in a light gray substance, with white walls and exposed wooden beams above.
Crawl space with white vapor barrier on the ground, insulation overhead, and black flexible ducting.
A long, white-walled basement under construction, with overhead lighting and plastic sheeting on the floor.

While I Was There - The Inspection

Since I was already out there, I walked the entire crawlspace. Checked the vapor barrier. Looked at the dehumidifier. Made sure everything was still working the way it should.


The vapor barrier still looked perfect. No tears, no breakdown, no smell. Months later and it looks like we installed it yesterday.


The dehumidifier was running great. We monitor the humidity levels through an app, so I could see it's been keeping everything below 60% relative humidity. That's the magic number. Anything above that and you start getting fungal growth and wood decay.


Everything checked out. Happy customer, system working exactly how it's supposed to.


That's what I want to see months after a job. Not problems we have to come back and fix. Just proof that we did it right the first time.

Why Most Companies Don't Do This

Here's the reality - most companies won't come back for something like this.


A crawlspace door? That's maybe a couple hundred bucks. Not worth their time when they're trying to close $15,000 deals.


And these big corporate companies? They're not set up for follow-up service. The guy who did your install probably doesn't even work there anymore. The salesman moved to a different territory. Good luck getting anyone to actually show up.


They got paid. Job's done. They're on to the next one.


That model works great for them. It's terrible for customers.

crawl space

What Actually Needs Monitoring

Your crawlspace isn't a one-and-done thing. It's a system. And systems need to be checked.


Humidity levels need to stay below 60%. If they creep up, something's wrong. Maybe the dehumidifier needs maintenance. Maybe there's a new water intrusion issue.


The dehumidifier itself needs attention. Filters get dirty. Drain lines can clog. Equipment breaks down over time if nobody's checking on it.


The vapor barrier can get damaged. Maybe someone went down there to run new electrical. Maybe a plumber cut through it. You need to know if that happens.


This stuff doesn't fix itself. And you won't know there's a problem until you're smelling mold or seeing floor damage.


That's why we monitor. That's why we come back.

The Technology We Use

We set up humidity monitoring on every job. It's an app-based system that tracks the relative humidity in your crawlspace in real time.


I can check it from my phone. The customer can check it too if they want. No guessing. No hoping everything's working. Just actual data.


If the humidity starts creeping up, we know about it. We can catch problems before they turn into expensive repairs.


Most companies install a dehumidifier and hope for the best. We actually monitor to make sure it's doing its job. That's the difference between installing equipment and installing a system that works.

Work With a Company That Actually Sticks Around

If you need crawlspace work - encapsulation, drainage, foundation repair, whatever it is - let's talk.


We'll come out and do a real inspection. Show you what's going on. Give you an honest assessment of what needs to be done.


And when the work's finished, we don't disappear. You'll have our number. You'll be able to check your humidity levels. And if you need us months or years down the road, we'll actually show up.


That's how it should work.

  • crawl space

Why drainage matting matters for crawlspace encapsulation, with matting shown in a crawlspace
By Stetson Howard May 15, 2026
I'm standing in a crawlspace in Knoxville that's tall enough to walk around in. The customers use it for storage. Christmas decorations, old furniture, boxes of stuff they don't need every day but want to keep. They called because they know the crawlspace has moisture issues. That old vapor barrier on the ground is to
Graphic comparing fungal growth vs. camel cricket poop, with blue text and a close-up of speckled debris.
By Stetson Howard May 15, 2026
I was in a crawlspace yesterday - older house, probably built in the '70s - and saw something I see all the time. Black dots all over the wood. Hundreds of them. I can't tell you how many times I've seen inspection reports with pictures of these exact dots labeled as "severe mold contamination." Then the homeowner
Blue ad text over a flooded, damaged room reads: “The $200 decision that saved this homeowner $2,300.”
By Stetson Howard May 15, 2026
I was out in Farragut yesterday for a warranty inspection. Customer we did about two years ago - full encapsulation, dehumidifier, sump pump. His dehumidifier died. Just stopped working. Non-serviceable parts. Nothing anyone did wrong, just bad luck.