We start by pumping out any standing water, then move straight into liner installation and humidity control.
Shrewsbury, PA crawl spaces vary a lot in how they were originally built, and a liner that's correct for one home can be undersized for another depending on foot traffic and storage use. We size thickness to how the space is actually used.
We follow manufacturer specs on liner overlap and seam tape so the barrier actually holds up over time.
Shrewsbury, PA crawl space calls get scheduled fast, especially when there's standing water or an active mold smell involved.
No hourly billing — the number we quote is the number on the final invoice.
We measure relative humidity before and after installation to confirm the space is actually staying below the threshold where mold and wood rot take hold.
Every Shrewsbury, PA Crawl Space Encapsulation job starts with an inspection, not a generic package — here's what that typically includes.
Extraction equipment includes submersible pumps sized for tight crawl space access points.
We install heavy-duty liner rated for crawl space conditions, sealed at every seam and pier to stop ground moisture from reaching the floor joists.
Sealed vents are paired with mechanical dehumidification so the space doesn't just trap humidity instead of venting it.
A crawl space needs its own sump basin and discharge line separate from any basement system, since the two spaces drain differently.
We also check subfloor insulation for water damage and replace anything compromised before closing the liner.
We ask about standing water, musty odor, and vent condition to gauge scope before scheduling the inspection.
A technician physically enters the space to check for standing water, existing liner condition, vent count, and duct exposure.
You'll see square footage, liner grade, vent sealing, and dehumidifier specs broken out in the written estimate.
We re-test humidity after installation to confirm the space is holding at a healthy level before we consider the job done.
"Found out our old vapor barrier had huge gaps at every seam. They redid it properly and sealed the vents too."
— Shrewsbury Homeowner
"Wood floors upstairs were starting to cup from crawl space humidity. Encapsulation plus a dehumidifier stopped it before we had to replace flooring."
— Shrewsbury Customer
"Access to our crawl space is tight and awkward, but the crew didn't seem bothered by it at all."
— Shrewsbury Homeowner
"Humidity reading before was over 80%. After encapsulation it's holding steady in the 50s."
— Shrewsbury Customer
We can scope either option depending on your budget and how severe the existing moisture problem is.
We'll recommend a thickness based on how the space is actually used, not just a default.
In most Shrewsbury, PA climates, yes — open vents pull in humid air that undoes a lot of the benefit of the liner alone.
If the smell persists after encapsulation, that usually points to a separate moisture source we'd need to investigate.
Standing water doesn't disqualify a space from encapsulation; it's just the first step in the process.
Spaces with extensive prior water damage or debris may take longer — we'll give you a realistic estimate up front.
We encapsulate crawl spaces throughout Shrewsbury and the surrounding Shrewsbury, PA service area, including the zip codes listed below.
Zip codes we serve in Shrewsbury, PA: 17361
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.
