Healthier Indoor Air
Most of the air you breathe upstairs started in the crawlspace. Sealing it means fewer mold spores, less dust and no more musty smell.
Full crawlspace encapsulation systems designed to control moisture, improve air quality, and protect your home in Spartanburg and the Upstate.
Full-coverage encapsulation that seals out ground moisture, stops mold at its source and actually makes your home healthier to live in — done right the first time.
Crawlspace encapsulation seals your foundation from the ground up — walls, floor, vents and seams — so moisture, mold and musty air can't push up into the rest of your home.
In Spartanburg and the Upstate, the red-clay soil and humid summers make open crawlspaces a year-round problem. A proper encapsulation installs a heavy-duty vapor barrier over the ground and up the foundation walls, seals the vents and access points, and pairs it with proper drainage and dehumidification.
The result: a drier, cleaner crawlspace, better indoor air quality, lower energy bills, and a foundation that isn't slowly rotting out from underneath you.
A full encapsulation isn't just plastic on the ground — it's a system that protects the home above it.
Most of the air you breathe upstairs started in the crawlspace. Sealing it means fewer mold spores, less dust and no more musty smell.
A sealed, conditioned crawlspace means your HVAC isn't fighting humid outside air coming in through the vents.
Wood rot, rusted fasteners and sagging floors all start with trapped moisture. Encapsulation shuts that down at the source.
Sealed vents and access doors close off the main ways mice, snakes and insects get under your home in the first place.
Every encapsulation starts with a free, honest inspection — not a sales pitch.
We look at moisture levels, airflow, wood condition and drainage to design the right system for your home.
Old debris, failed barriers and moldy insulation come out before anything new goes in.
Heavy-duty vapor barrier on the floor and up the walls, sealed seams, sealed vents, and a tight access door.
Dehumidifier sized and installed where needed, then humidity is verified so you know it's actually working.
Keep your encapsulated crawlspace performing for years with the right follow-up care.
Already encapsulated? Protect your investment with our JHS Crawlspace Maintenance Program — semi-annual inspections and moisture checks for $139 per visit.
Honest work, clear communication, and results homeowners actually notice.
Want to know what to budget before you book an inspection? Start with our local pricing guide.
Book your free crawlspace inspection today — no pressure, no scare tactics.
Compare the two most common crawlspace solutions and learn which protects your home better.
Why exposed dirt floors cause moisture, mold, and structural problems under your home.
Everything you need to know about crawlspaces, how they work, and why they matter.
Browse every service in one place on our Crawl Space Services hub, or jump straight to a related service below.