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Basement Waterproofing in Intercourse, PA

The rock under Intercourse sits close to the surface and it is full of cracks

There is very little soil between a storm and the bedrock here, and that bedrock is heavily fissured. Water reaches a footing in minutes, with pressure behind it.

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  • 4.9 · 195 Lancaster reviews
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  • No money down
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Interior waterproofing at the footing, in cross-sectionCutaway through soil, a concrete block foundation wall, and the basement floor and framing beside it. Water seeps down through the soil on the left and gold arrows show it pressing against the wall. A green wall vapor barrier runs down the inside face of the block and turns into a sealed cove joint where the floor meets the wall, with a gold wedge marking the joint water would otherwise enter through. Below the floor slab, a green perforated drain pipe sits in a gravel bed at the footing and runs right into a sealed green-lidded sump basin, whose discharge line rises and carries water off to the right, away from the house.GradeWall vapor barrier over blockCove joint, sealedPerforated drain in a gravel bed at the footingDischarge, routed away from the house
Basement Waterproofing in ZIP 17534 · Leacock Twp · Lancaster County, PAOffice: 2348 Harrisburg Pike, Lancaster, PA 17601 · Mon–Sat 7AM–8PM

Waterproofing in Intercourse

Limestone valley floor

Intercourse sits where the limestone comes closest to daylight. In places there is barely a plough depth of soil over the rock, and the rock itself is heavily fissured after a very long time of slightly acidic water working away at it. That combination is why this ground drains beautifully for farming and badly for basements.

Very little soil means very little buffer. Rain does not spend hours percolating downward through loam, it reaches the fissures almost immediately and starts moving. From there it travels along whatever channel is open and arrives at the first solid thing in its path. When that thing is your footing, the water gets there in minutes and it gets there under pressure.

Systems around Intercourse are sized for speed and volume. Interior drain at the footing, a sealed basin with genuine capacity, and a battery backup, because the storms that produce this are the same ones that take the power out. We also look at what the fissuring is doing at the surface, since soft spots and depressions in a yard here are worth knowing about before anybody digs.

What we install in Intercourse

Interior French drain tied into a sealed sump basin with a battery backup, because the volume shows up fast and all at once. Wall vapor barrier where the block has been wicking.

Most common call here

  • Water appears within an hour of a hard rain, then leaves just as fast
  • White mineral crust (efflorescence) on block walls
  • A single wet corner rather than an evenly damp floor
  • Depressions or soft spots in the yard near the foundation
Everything we do in Intercourse →

The actual scope

What a Intercourse job includes

Every basement waterproofing we install in Intercourse, PA follows the same checklist, and you get it in writing before the crew arrives. A dry basement is a drainage problem, not a paint problem. We relieve the water pressure under and beside your foundation and give the water somewhere to go, so the room stays dry through the wettest spring Lancaster County can produce.

  • Interior French drain at the footing
  • Sealed sump basin with battery backup
  • Wall vapor barrier over block
  • Cove-joint and crack sealing
  • Discharge routed away from the house

More of what we do in Intercourse

One crew, one warranty, all of it out of the Lancaster office.

How a Intercourse waterproofing job runs

Start to warranty

  1. Free inspection and water-path diagnosis

  2. Written scope and fixed price

  3. Install in 1–3 days, most jobs

  4. Lifetime warranty and a wet-season check-in

Dylan and crew were absolutely as professional as I could ask. From the consultation estimate to the completed basement was very quick. They were on time every day complete with a call before they would arrive.
Rob D., Lancaster

Questions from around Intercourse

Straight answers

There's bare rock showing in parts of our field. Does that affect the house?

It tells us how little soil there is between a storm and the fissures, which is the whole story around Intercourse. Where rock is at the surface, rain reaches the channels in minutes and starts travelling. That's why systems here get sized for speed as much as for volume.

Water is in the basement within twenty minutes of it starting to rain. Is that normal here?

On this ground, yes. Heavily fissured limestone with almost no soil over it moves water fast and under pressure. It's alarming and it's also very diagnosable, because the speed itself tells us we're dealing with rock channels and slow soil saturation is ruled out.

Should I be worried about sinkholes around Intercourse?

Worth being aware of, and it's part of what our estimator looks at outside. Depressions, soft spots and places where the yard swallows water are all worth flagging before anyone digs. We're not geologists, and if something looks like it needs one we say so.

How big a pump do we actually need on this ground?

Bigger than the county average, and sized off the flow we measure on your property. A basin with real capacity matters as much as the pump, because it buys cycle time when the water arrives all at once. Cast iron primary, battery backup, alarm on the lid.

What happens if the power goes out mid-storm?

The backup takes over, which is the entire reason we fit one here. The storms that overwhelm this rock are the storms that drop the power, so a system without a battery is a system that fails at exactly the moment it's needed. It's standard on every Intercourse install.

Basement Waterproofing near Intercourse

Same crew, same routes, same week.

Basement Waterproofing across Lancaster County →

Get a real price on basement waterproofing in Intercourse.

Free estimate, no money down, and a lifetime warranty that transfers when you sell the house.

(800) 834-6584