Attic insulation
Complete attic insulation upgrades that work alongside spray foam to maximize thermal performance in Eagle Pass homes.
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Eagle Pass summers are relentless. If your AC runs nonstop and your electric bill keeps climbing, gaps in your insulation are likely the cause. Spray foam seals and insulates in one step - cutting cooling costs and keeping your home comfortable all season.

Spray foam insulation in Eagle Pass seals air leaks and insulates in a single application, most jobs covering attic, crawl space, or wall cavities in one to two days. It starts as two liquid chemicals that mix on contact, expand into solid foam within seconds, and fill the irregular gaps that fiberglass batts cannot reach.
In a city where summer temperatures regularly push past 100 degrees, every gap in your building envelope is a gap that lets hot air in and cooled air out. Older Eagle Pass homes - many built in the 1970s through 1990s - often have insulation that has settled or been disturbed over the years, leaving the kind of hidden leaks that spray foam is uniquely designed to stop.
If you are also dealing with hot spots in specific rooms, our attic insulation service is often the right first step - spray foam and attic upgrades work together to close off the two biggest pathways for heat gain.
If a bedroom or back room feels noticeably hotter than the rest of your house even with the AC running, that area likely has thin or missing insulation. In Eagle Pass, west- and south-facing walls take the most direct sun. Spray foam applied to those walls or the attic above can make a dramatic difference.
The humidity that comes off the Rio Grande can find its way into unprotected attic spaces and crawl spaces. Water stains on attic framing, a musty smell at the hatch, or condensation on pipes all point to moisture getting in. Closed-cell spray foam creates a barrier that resists this kind of intrusion.
If your electricity bill climbs dramatically from May through September with the thermostat set the same as always, your home is losing conditioned air through gaps in the insulation envelope. A home that is properly sealed and insulated holds its temperature more steadily and costs less to cool.
Hold your hand near an electrical outlet on an exterior wall on a hot day. If you feel warm air coming through, your wall cavity is connected to the outside. This kind of air leakage is common in older Eagle Pass homes built before modern energy codes, and it is exactly what spray foam is designed to stop.
We install both open-cell and closed-cell spray foam depending on where it is going and what problem it needs to solve. Open-cell foam is lighter and less expensive - a good fit for interior attic applications and interior walls where sound dampening and thermal performance matter but moisture is not a primary concern. It delivers R-3.5 to R-4 per inch and is a solid upgrade over aging fiberglass batts.
For crawl spaces, exterior walls, and anywhere the Rio Grande humidity is a factor, we recommend closed-cell foam insulation. It delivers R-6 to R-7 per inch - the highest of any common insulation material - and creates a moisture barrier in the same application. We assess your specific situation during the free on-site visit and recommend the right type for each area of your home.
Best for interior attics, interior walls, and ceiling applications where air sealing and thermal performance are the priorities.
Best for crawl spaces, exterior walls, roof decks, and any area where moisture resistance is as important as thermal performance.
Eagle Pass sits in the Chihuahuan Desert borderlands and regularly sees summer temperatures above 100 degrees, with a cooling season that runs from April through October. Your air conditioner is fighting heat for seven or eight months a year, and every gap in your building envelope adds to that load. Spray foam addresses the two biggest sources of cooling loss - air leakage and inadequate insulation - in a single installation.
The Rio Grande corridor also brings elevated humidity levels that can work their way into walls and attic spaces, leading to mold and wood rot in homes without proper sealing. We also serve homeowners in nearby Del Rio and Brackettville who face the same climate conditions. For additional reading on energy-efficient insulation standards, the U.S. Department of Energy insulation guide is a reliable starting point.
We respond within 1 business day. When you reach out, we ask a few basic questions about your home and the areas you want insulated so we can come prepared.
A contractor visits your home, measures the space, checks existing insulation, and identifies problem areas. You receive a written estimate before any work is agreed to.
Our crew arrives with the spray equipment and works methodically through the target area. Most residential jobs finish in one day. You and your pets stay out of the treated space for a few hours while the foam cures.
We walk you through the completed work before packing up. If a permit inspection is required, we coordinate it so you never have to manage that process yourself.
We respond within 1 business day. There is no obligation after the estimate - we give you the information you need and let you decide. After you submit, someone from our office will call to schedule a free on-site assessment.
(830) 971-8829Eagle Pass Insulation is a state-licensed insulation contractor fully insured for residential and commercial work. Every job is covered from first spray to final walkthrough.
We are not a San Antonio or Laredo contractor driving through. We live and work in Maverick County, which means we understand the specific heat, humidity, and housing stock of this area.
We give you a detailed written estimate after the inspection. The final cost matches that estimate unless you request additional work. No surprise invoices.
Our on-site assessments are always free. You are under no obligation to proceed after the inspection. We want you to make the right decision for your home, not a rushed one.
These are not marketing claims - they are the things that matter when you are hiring someone to work inside your home in 100-degree heat. We have been serving Maverick County since 2019 and our reputation here depends on doing right by our neighbors. The Spray Polyurethane Foam Alliance has additional information on what to look for when evaluating a spray foam contractor.
Complete attic insulation upgrades that work alongside spray foam to maximize thermal performance in Eagle Pass homes.
Learn MoreHigh-density closed-cell foam for crawl spaces, exterior walls, and moisture-prone areas along the Rio Grande corridor.
Learn MoreSummer books fast in Eagle Pass - reach out now and we will get you on the calendar before the heat peaks.