Fast, Reliable Spray Foam Insulation Across Rendon
Spray foam insulation in Rendon runs anywhere from $1,800 to $6,500 depending on whether you’re sealing a crawlspace, an attic, or a full new build. Most jobs wrap up in one to two days, and we schedule Rendon work every week with crews dispatched from our Dallas-Fort Worth metro office. If you’re sitting in a pier-and-beam home off Rendon Road with sweaty ducts and a musty crawlspace, you’re not imagining it. That’s the exact problem spray foam solves here better than anywhere else in the metro. Call (817) 730-5474 and we’ll give you a written price before we touch anything.
Why Laurel Attic Insulation Fort Worth Is Rendon’s Preferred Spray Foam Insulation Company
Rendon homes present a specific challenge that slab-on-grade neighborhoods never deal with: humid air moves up through pier-and-beam floors all summer long. We’ve spent years working on homes along Rendon Road, in the older established neighborhoods where 1970s and 1980s construction dominates. Our crews know what original fiberglass batts look like after thirty years of Texas humidity, and we know what happens when spray foam goes in wrong. Chase Whitaker leads our team with a simple rule: crawlspace first, attic second, and never spray over a problem without fixing the source.
Every Rendon job includes the Relay Visibility Guarantee. You get a live arrival time for our background-checked, uniformed technicians. You get before-and-after photos. You get a written price delivered before we start, and a 365-Day Done Right Promise in writing after we finish. If something’s not right within a year, we come back and make it right. No charge. No argument. That’s how we’ve built our reputation with Rendon homeowners, and it’s why most of our new work comes from neighbors telling neighbors.
Spray Foam Insulation Contractors in Rendon
Spray Foam Insulation Contractors in Rendon need to understand pier-and-beam foundations in a way that contractors working in slab-on-grade cities simply don’t. The crawlspace is the battleground here. Humid air rises from the ground, moves through your floor framing, and carries moisture straight into your living space. Closed-cell foam applied to the underfloor cavities creates an air and vapor barrier that stops that migration. Most crawlspace encapsulation jobs in Rendon run $3,200 to $6,500 depending on square footage and access clearance. It’s the single most effective upgrade for older pier-and-beam homes in this area.
Open-Cell and Closed-Cell Foam Applications
Open-cell foam is lighter and cheaper, but it’s the wrong choice for a humid Rendon crawlspace. It wicks moisture from the air and holds it against your floor joists. Closed-cell foam, applied at two to three inches, creates a moisture-resistant barrier that open-cell can’t match. We match the material to the location, not to whatever’s easiest to spray.
Rim Joist Sealing for Older Rendon Homes
The rim joist is the wooden band around the perimeter of your floor system, and in 1980s pier-and-beam homes it’s almost never sealed. Air leaks in there bring humidity and hot air directly into your crawlspace and walls. Sealing rim joists with closed-cell spray foam typically runs $90 to $160 per opening. It’s the most cost-effective first step for most older Rendon homes.
Spray Foam Attic Insulation in Rendon
Spray Foam Attic Insulation in Rendon costs $2,800 to $5,400 for a typical 1,200 to 1,800 square foot attic, depending on whether you go open-cell or closed-cell and how much prep work the existing insulation requires. Attic heat is brutal here from May through September, and most older homes along Rendon Road are running on original 1980s batt insulation that’s compressed down to less than R-19 effective. That’s half of what a modern attic needs. Applying foam directly to the roof deck turns the attic into conditioned space, which stops ductwork sweating and takes a massive load off your HVAC system.
Conditioned Attic Conversions
Spraying the underside of the roof deck instead of the attic floor changes how your whole house breathes. The attic stops being a 130-degree oven in July. Your air handler and ductwork sit in air that’s actually conditioned, which means they stop sweating and stop losing efficiency. For Rendon homes with ductwork running through the attic, this is the highest-impact upgrade we do.
Replacing Settled Batt Insulation
If your attic has pink or yellow fiberglass batts from the 1980s, they’ve likely compressed under their own weight and lost most of their R-value. You can’t spray foam over compressed batts and expect good results. The batts create a thermal break, and the foam traps humidity against your subfloor. We remove the old material, air-seal the ceiling plane, and then spray fresh foam. Removal typically adds $400 to $900 to the total job depending on attic size and access.
Learn more about Spray Foam Insulation options and how they compare.
Trusted Brands We Service in Rendon
We install spray foam from Johns Manville, Knauf, and CertainTeed, plus five other leading manufacturers. The brand matters less than the application, but we keep multiple product lines in stock so we can match foam to your specific situation. Open-cell for interior wall cavities where you want sound dampening and some breathability. Closed-cell for crawlspaces, rim joists, and roof decks where moisture resistance is non-negotiable. We maintain local inventory for Rendon-area jobs, which means we don’t have to wait on a regional warehouse shipment when your job is ready to go. If you have a warranty issue on existing foam from any major brand, we’ll assess it and give you a straight answer on whether it’s salvageable or needs removal.
Common Spray Foam Insulation Problems We See in Rendon Homes
- Open-cell foam wicking moisture in pier-and-beam crawlspaces. We see this all the time in older Rendon neighborhoods. Someone sprayed open-cell under the floor to save money, and now the foam is damp, moldy, and losing R-value by the month. It has to come out, and closed-cell has to go in.
- Closed-cell foam sprayed over compressed 1980s batts. Another recurring problem on homes built in the 1970s through 1990s. The old fiberglass stays in place, foam goes over the top, and humidity gets trapped against the subfloor. Wood rot follows. The batts have to go before the foam goes on.
- Foam around sweating ductwork without sealing leaks first. If your ducts are leaking air, spraying foam around them just moves the condensation problem deeper into the attic. The foam saturates, the R-value drops, and you get a musty smell that never goes away. We seal and test ductwork before foam touches it.
- Under-sprayed rim joists leaving moisture pathways open. A thin pass of foam on the rim joist looks fine on camera but doesn’t stop humid air. We see homes where contractors sprayed a half-inch to hit a price point, and the crawlspace is still muggy. Two inches minimum on rim joists in this climate. Anything less is wasted money.
Pricing for Spray Foam Insulation in Rendon, TX
Here’s what we charge in Rendon: rim joist sealing runs $90 to $160 per opening. Crawlspace encapsulation with closed-cell foam runs $3,200 to $6,500 depending on square footage and access height. Attic spray foam runs $2,800 to $5,400 for a typical 1,200 to 1,800 square foot home. Full attic conversion with batt removal and air sealing adds $400 to $900. The biggest cost drivers are square footage, whether we’re removing old insulation, and whether your crawlspace has enough clearance for us to work safely. Every quote is written, itemized, and delivered before we start. No door-step changes. Call (817) 730-5474 for a free estimate with exact numbers for your house.
We Also Serve Cities Near Rendon
Our crews handle spray foam work throughout the south metro. In addition to Rendon, we regularly serve Fort Worth, Burleson, Euless, and Bedford. If you live close by and need the same pier-and-beam expertise, call us and we’ll send a technician who actually knows your area’s construction style.
Serving Rendon, TX - Our Local Coverage Area
We’re based in the Rendon area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Spray Foam Insulation in Rendon
Closed-cell spray foam acts as both an air barrier and a vapor retarder, which stops humid ground air from moving up into your floor framing. Open-cell foam will absorb that moisture and fail, which is why we won’t use it under a Rendon home. If you have standing water or drainage issues, those need to be addressed before we spray. Call us for a crawlspace assessment and we’ll tell you exactly what your floor needs.
No, and we won’t. Compressed 1980s batts have already lost most of their R-value, and spraying foam over them creates a moisture trap that accelerates rot in your subfloor and ceiling framing. The batts come out first, we air-seal the ceiling plane, then we spray. It adds a few hundred dollars to the job, but skipping it means paying for a problem you’ll have to fix later anyway. Get a free estimate at (817) 730-5474 and we’ll break down the removal cost for your specific attic.
Closed-cell is the better choice for most Rendon attics because it doesn’t absorb moisture and it gives you about R-7 per inch instead of R-3.5 per inch. If you’re spraying the roof deck to create a conditioned attic, closed-cell also adds structural rigidity. Open-cell works fine for interior walls where you want sound control and the humidity is controlled. We’ll show you samples of both and give you our honest recommendation for your roof pitch and attic layout.
Yes, if the attic itself is converted into conditioned space by spraying the roof deck. Sweating happens when cool air moves through ducts in a hot, humid attic. Once the attic is insulated at the roofline, the air around your ducts stays within a few degrees of the air inside them, and the condensation stops. If you only spray the attic floor, your ducts stay hot and the sweating continues. Call us for an attic assessment and we’ll tell you which approach fits your home and budget.
We apply closed-cell foam at two to three inches under pier-and-beam floors, which gets you roughly R-14 to R-21 and, more importantly, a continuous vapor barrier. One inch is enough to stop some air movement, but it won’t give you the moisture protection you need in a humid crawlspace. Anything thinner than two inches is under-spec for this climate and this foundation type. Call (817) 730-5474 for a free crawlspace inspection with written recommendations and exact pricing.
Written by Chase Whitaker, Owner at Laurel Attic Insulation Fort Worth, serving Rendon and the surrounding metro since 2003.