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Crawl space encapsulation and moisture control  ·  Fayetteville, NC

You will never go into the room under your floor.

A finished crawl space, the ground and piers sealed under a bright white liner, running away into the dark.
A finished crawl space, the ground and piers sealed under a bright white liner, running away into the dark.

This is what one looks like when it is finished.

Half the air in the upper levels of your home comes up from the crawl space. We seal the ground, wrap the piers, dry the space out, and put the floor structure back — vapor barriers, full encapsulation, dehumidifiers, drainage, mold treatment and structural repair.

Call (910) 849-8400 Free crawl space inspection
4.9
393reviews on Google
01 / THE PLACE YOU NEVER GO

Most people have never seen their own crawl space.

It is a room in your house. You will not go in it, and there is no reason you should. But everything above it is sitting on what is happening down there.

When I go under a house, this is the list I am working through, in this order.

  • 01Standing water on the ground, and where it is coming in from.
  • 02Insulation hanging off the joists, or gone altogether.
  • 03Mold on the framing, and how far it has traveled.
  • 04Ducts torn or lying on the dirt.
  • 05What the damp has been doing to the joists, girders and subfloor.
A room with the floor lifted, joists and bare ground open underneath.
A room with the floor lifted, joists and bare ground open underneath.
02 / THE COUNT
393 Google
reviews 4.9 average
50 100 150 200 250 300 350 393

One stroke for every review. Fifty to a row.

03 / THE REGISTER

The work, in two families.

Everything under the floor, and everything around it. One crew for both halves of the house.

Koons Crawl Space Solutions & Koons Construction 23 services
FAMILY 01

Under the house

11
  • Vapor barriersViper CS 16-mil, or a Basic 10-mil if you are working to a budget. 100% coverage, with all seams and piers taped.
  • Full encapsulationInsul-Barrier, an insulated foundation-wall liner: a thermal break and a moisture barrier in the same layer.
  • DehumidifiersAprilAire E70, E80, E100 and E130 — sized to the square footage of your space, not guessed at.
  • Sump pumps and French drainsRock, corrugated pipe and the moisture control practices that get standing water out and keep it out.
  • Crawl space mold treatmentInspection, moisture control and removal of the contaminated material — then the space gets sealed so it does not come back.
  • Duct repairIf we find damaged or down ducts on the inspection, we give you options on the repair. See what we will not do, below.
  • Crawl space floor insulationOwens Corning batting between the joists, once the space underneath is dry.
  • Strong Post floor jack systemSteel jacks on a Polybase footing. Up to 7 feet of lift, stabilizes up to 30,000 pounds, and custom pipe lengths for any height.
  • Joist sistering and subfloor replacementNew lumber set alongside the weakened joists; rotted subfloor cut out and replaced.
  • Floor system repair or replacementJoists, outer band, ledger boards and the main girders.
  • Exterior French drains and gutter tie-inThe roof water gets tied into the drain line and taken away from the foundation.
FAMILY 02

Around the house

12
  • Attic insulationOwens Corning blow-in. It fills the gaps and the places you cannot reach by hand.
  • Attic insulation removalVacuumed out with a machine built for it, so nothing gets spread through the house.
  • Seamless gutters6-inch seamless gutters with Micro Guard gutter guards, in 15 colors, cut to fit your house.
  • FramingNew builds, additions and renovations.
  • Sheetrock installationWalls and ceilings finished smooth, ready for paint or paper.
  • Deck constructionCustom decks, designed and built to suit the house they are attached to.
  • FencingYour choice of material and style.
  • Kitchen remodelsDesign through installation.
  • Bathroom remodelsFunction first, then the finish.
  • Trim workCustom moldings, baseboards and the decorative details.
  • Flooring installationHardwood, laminate, tile or carpet.
  • Window installation and repairNew windows in, or the existing ones repaired.
And what we will not do

We repair ducts. We do not redesign a duct system or replace one wholesale — if that is what yours needs, we will tell you, and point you to a company that does it properly.

Viper CS, AprilAire, Insul-Barrier, Owens Corning, Strongpost and Micro Guard are products we install.

04 / WHAT THE WORK LOOKS LIKE

Different houses. Different days.

These are not a before and an after of one room — they are separate jobs, photographed as they went. This is what the work looks like.

The old floor out and stacked, ready to go.
The old floor out and stacked, ready to go.
Floorboards away, the joists exposed the length of the room.
Floorboards away, the joists exposed the length of the room.
The floor opened up mid-job, tools and offcuts still on the deck.
The floor opened up mid-job, tools and offcuts still on the deck.
Close on the joists, sistered and set true.
Close on the joists, sistered and set true.
New subfloor going down over fresh joists.
New subfloor going down over fresh joists.
Subfloor sheets laid out and cut to the room.
Subfloor sheets laid out and cut to the room.
A level across the new subfloor before the finish goes on.
A level across the new subfloor before the finish goes on.
A section of subfloor replaced back into the existing run.
A section of subfloor replaced back into the existing run.
The finished deck, swept and square, waiting on floor covering.
The finished deck, swept and square, waiting on floor covering.
New subfloor run right through a kitchen.
New subfloor run right through a kitchen.
The same kind of kitchen floor, decked and ready.
The same kind of kitchen floor, decked and ready.
A dining room floored back to solid, the fitting still hanging above.
A dining room floored back to solid, the fitting still hanging above.
The same kind of finished space, wall to wall in white liner, lit clean.
The same kind of finished space, wall to wall in white liner, lit clean.
A sealed crawl space with the piers wrapped and the joists open above.
A sealed crawl space with the piers wrapped and the joists open above.
Sealed ground and wrapped piers under a wide low ceiling.
Sealed ground and wrapped piers under a wide low ceiling.
A dehumidifier set on the sealed floor with the ductwork run overhead.
A dehumidifier set on the sealed floor with the ductwork run overhead.
A sump set into the sealed floor, its lines run out through the liner.
A sump set into the sealed floor, its lines run out through the liner.
New framing set against the old brick foundation wall, insulation above.
New framing set against the old brick foundation wall, insulation above.
Seamless black gutter run along a white fascia against the sky.
Seamless black gutter run along a white fascia against the sky.
05 / THE CREW

Nobody watches this job being done.

The work happens under your floor, in your attic, or up a ladder at the fascia. You will not be standing over it. So here are the people who are.

One of the crew in a Koons shirt, working overhead.
One of the crew in a Koons shirt, working overhead.
Two of the crew working over an opened floor.
Two of the crew working over an opened floor.
Two of the crew setting out the floor together.
Two of the crew setting out the floor together.
Driving a screw home with a cordless driver, down on one knee.
Driving a screw home with a cordless driver, down on one knee.
Up the ladder fitting gutter to the fascia.
Up the ladder fitting gutter to the fascia.
Tim KoonsOwner · Fayetteville, North Carolina
06 / WHERE WE WORK

Fayetteville, and the houses around it.

We come to you. Call and we will get under the house and tell you what is actually going on down there — the crawl space inspection is free.

Fayetteville Cumberland County Surrounding North Carolina
Call or text(910) 849-8400
Email
OwnerTim Koons
07 / STRAIGHT ANSWERS

The questions people actually ask.

What is the difference between a vapor barrier and full encapsulation?
A vapor barrier is heavy sheeting laid over the ground so soil moisture cannot rise into the crawl space. Full encapsulation goes further: we line the foundation walls as well, so the space is sealed and insulated rather than just covered. We will tell you which one your crawl space actually needs.
Do I need a dehumidifier as well?
Sometimes. Sealing stops new moisture coming in, but if the space is already damp or the house pushes humidity down into it, a dehumidifier is what holds the space steady afterwards. We look at the readings before recommending one.
Will this fix my sagging or bouncy floors?
That is a structural question, not a moisture one. Sagging usually means joists, girders or the subfloor have been weakened, often by years of damp. We sister joists, replace subfloor and set adjustable steel jacks where the span needs support.
What happens on the inspection?
We go under the house and look: standing water, the state of the insulation and ducts, mold on the framing, and what the wood is doing. Then you get an honest read on what needs doing and what does not.
Is there work you will not take on?
Yes. We repair ducts, but we do not redesign a duct system or replace one wholesale. If that is what yours needs, we will say so and point you to a company that does it properly.

Let us go and look.

The crawl space inspection is free. You get told what is down there, what it needs, and what it does not need.

Call (910) 849-8400 Free crawl space inspection
Call (910) 849-8400