Spray Foam Insulation in De Kalb, TX

Spray Foam Insulation in De Kalb deals with heat. Wikipedia notes that De Kalb's humid summers bring an average of 30 or more days at 100F or higher. The town is named for Johann de Kalb, had 420 residents in the 1890 census, peaked at 2,217 in 1980, and counted 1,527 in 2020.

Housing

The 2020 census counted 754 housing units, 16.4 percent vacant. The median age was 41.8, and 24.3 percent of residents were 65 or older. The census lists the city as entirely rural.

The 1999 tornado

On May 4, 1999, an EF3 tornado made a direct hit on downtown De Kalb. Homes and buildings rebuilt after that storm are now more than 25 years old, alongside much older houses that survived it.

What we find

Older homes usually have thin attic insulation, open chases and crawl spaces with failing batts. For older residents at home all day, sealing the attic and bringing it to depth makes summer much easier to handle.

Outbuildings

Rural properties around De Kalb include steel shops and barns. Closed-cell foam on the steel cuts heat and stops drip.

Code

Bowie County is Climate Zone 3A. Texas uses the 2015 IRC energy chapter: R-38 ceilings and R-19 floors in Zone 3.

Downtown

Downtown De Kalb, with its motto Opportunity. Innovation., has older commercial buildings and nearby homes from the town's busier decades. Older homes near downtown usually have thin attic insulation and crawl spaces that need attention.

Ducts in the attic

In homes with central air added later, ducts often run through the attic with leaky joints and thin wrap. With 30-plus days of 100F heat a year, sealing those ducts, or foaming the roof deck to bring them inside, makes a real difference.

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