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Basement waterproofing

Basement Waterproofing & Crawl Space Sealing in New Mexico

Water coming through a crack in the basement wall or floor, or a damp, musty crawl space. We inject leaking cracks with polyurethane and seal crawl spaces with vapor barriers and closed-cell spray foam.

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What we do for wet basements and crawl spaces

Water gets into a basement or crawl space two main ways: through cracks in the foundation, and as moisture coming up out of the ground. We handle both, and we tell you plainly when a problem needs something we don’t do.

Crack injection

For a crack in a poured concrete wall or floor that lets water in. We set ports along the crack, seal the surface, and inject polyurethane that expands to fill the crack through the wall. The ports come off when it cures.

Crawl space sealing

A heavy vapor barrier over the dirt and up the walls with the seams sealed, and closed-cell spray foam on the crawl walls and rim joists. It helps keep the crawl space drier and the floors above warmer.

Signs it’s time to call

  • Water or damp spots along a crack after rain or irrigation
  • White, chalky residue on basement walls
  • A musty smell in the basement, the crawl space, or the rooms above
  • Condensation on pipes and ducts in the crawl space
  • Cold floors over a crawl space in winter

How a waterproofing job goes

  1. Site visit: We find where the water gets in, check the walls and crawl space, and look at the grading and downspouts outside.
  2. Written plan: Which cracks get injected, what the crawl space needs, and anything outside that should be fixed too.
  3. The work: Crack injection from inside; vapor barrier and foam in the crawl space.
  4. Walk-through: We show you what we did and what to keep an eye on.

What we don’t do

We don’t install interior drain systems or sump pumps, and we don’t dig out the outside of the foundation. If water is coming in across a whole wall or up through the floor, that is usually what it takes, and we’ll tell you so.

If cracks keep opening because the foundation is still moving, sealing them alone won’t last. We check for settlement on the same visit and can handle foundation repair too.

What to have ready

  • Photos of the crack or the wet area, and of the crawl space if you can get them
  • When it leaks: after storms, when the yard is watered, or all the time
  • Whether the wall is poured concrete or block
  • Roughly how big the crawl space is and how you get into it

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Send a photo of the crack or the crawl space and tell us where the property is. Free, no obligation.

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Where we work

We do basement waterproofing across New Mexico, El Paso, and parts of West Texas. Most of that work is in and around:

All service areas

Read the guide

How the work happens, explained the way we would in your driveway.

Related services

Basement Waterproofing FAQs

Two things: we seal leaking cracks in foundation walls and floors with polyurethane injection, and we seal crawl spaces with vapor barriers and closed-cell spray foam. We don’t install interior drain systems or sump pumps, and we don’t dig out the outside of the wall. If your basement needs one of those, we’ll say so.
We clean the crack, set injection ports along it, seal the surface, and pump polyurethane in from the bottom up. The resin reacts with water and expands to fill the crack through the thickness of the wall, then the ports come off. It works best on poured concrete walls; hollow block walls usually need a different approach, and we’ll tell you if yours does.
Done right, injection seals the crack we treat. If the foundation is still moving, new cracks can open, which is why we look at settlement at the same time and can handle foundation repair on the same visit.
Usually a heavy vapor barrier over the dirt and up the walls with the seams sealed, and closed-cell spray foam on the crawl walls and rim joists. Whether the vents get closed and how the space is kept dry afterward depends on the house and its heating and cooling, and we go over that before we start.
A musty smell almost always means moisture. If there is visible mold, it should be cleaned up before the space is sealed; we’ll tell you what we see and whether that needs to happen first.
Usually just where the crack is. Injection is done from the inside, so the ports have to sit on bare concrete, and any drywall, paneling or carpet over the crack comes off there. A water stain or damp baseboard tells us where to look. The written plan shows which cracks get injected, and we agree on who opens and patches the finishes before work starts.
Yes, plan on clearing it. The barrier covers the whole dirt floor and runs up the walls, so boxes, lumber and junk need to be out before it goes down. Tell us how you get in, a floor hatch, a closet or an outside door, and how big the opening is. When things go back, carry them rather than drag them, since a torn barrier lets ground moisture through.

Water getting in?

Send a photo of the crack or the crawl space and tell us where the property is. We’ll tell you what it needs and set up a site visit.

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