Spray Foam Insulation in Lincoln, NE

Spray foam insulation in Lincoln has to work hard in two directions. The city's 1991-2020 climate normals put the average January low at 14.4F and the average July day at 78.1F, with a record low of -33F and a record high of 115F. A house here is heated for months and cooled for months, and every gap in its shell costs money in both seasons. We seal those gaps and insulate the spaces that need it, using open-cell or closed-cell spray foam where it makes sense and blown-in insulation where that is the smarter buy.

What Nebraska code asks for

Nebraska adopted the 2018 International Energy Conservation Code statewide on July 1, 2020, and Lancaster County sits in Climate Zone 5. The state energy office's fact sheet for that code lists R-49 for ceilings, R-20 (or R-13 plus R-5 continuous) for wood-frame walls, R-30 for floors, R-19 cavity or R-15 continuous for basement and crawl space walls, and R-10 for slab edges. New homes also have to pass a blower door test at 3 air changes per hour or less. Older houses are not required to meet those numbers, but they are a useful yardstick: many Lincoln attics we look at hold well under R-30, and plenty of older walls hold nothing at all.

Where Lincoln houses lose heat

Lincoln was settled in 1856 as the village of Lancaster and became the state capital in 1869. It grew by absorbing its neighbors: Bethany Heights in 1922, University Place in 1926, College View in 1929, Havelock in 1930 and West Lincoln in 1966. That leaves a city with every era of house, from the 1869 Kennard House near the Capitol to brand-new subdivisions at the edges. A two-story in an older neighborhood often has open wall cavities running straight into the attic. A 1950s ranch usually has a thin attic and a leaky rim joist. A newer house with a bonus room over the garage tends to have one room that never matches the thermostat. The 2020 census counted 122,048 housing units in the city, and nearly all of them leak in one of those places.

Spray foam insulation contractors: what to ask

When you compare spray foam insulation companies or general insulation contractors, ask each one the same things. Which areas will be foamed and which will get blown-in insulation? Open cell or closed cell, and how many inches? What R-value will each area reach? How long should the house be empty while foam cures? Will an ignition or thermal barrier be needed over exposed foam? A clear answer to each, in writing, is a better sign than a low square-foot number over the phone.

Closed cell vs open cell

Closed-cell foam is dense and rigid, blocks air and water vapor, and gives more R-value per inch. It is the usual choice for rim joists, basement walls, metal buildings and anywhere moisture is a concern. Open-cell foam is softer, expands much more, costs less per square foot and fills irregular cavities well, which makes it common on roof decks and in interior walls. Many jobs use both.

Spray foam insulation cost

National cost guides from HomeGuide and Fixr put installed spray foam at roughly $1.50 to $5.00 per square foot, and whole-house jobs at $8,000 to $30,000 depending on the source and scope. Attic, wall, basement and shop work each has its own range, which you will find on the service pages. Two local programs can change the math: Lincoln Electric System (LES) lists a 2026 sealing and insulation incentive for existing homes with empty walls or attics at R-19 or less, and the state's Dollar and Energy Saving Loans cover insulation and air sealing. We explain both on the visit.

Get a free estimate or call (402) 787-4587 to set up a time.

We work across Lincoln and Lancaster County: Waverly to the northeast, Bennet and Hickman to the southeast, Firth at the county's southern edge, and Malcolm near Branched Oak and Pawnee lakes. We also take jobs in Eagle in Cass County, Ashland and Wahoo in Saunders County, Seward and Milford in Seward County, Crete in Saline County and Beatrice in Gage County. The housing changes as you move out from the city. Waverly, Hickman and Bennet have grown fast and have many newer homes with bonus rooms and finished basements. Railroad towns like Firth, Eagle and Malcolm have older cores with farmhouses and shops on acreages around them. County seats like Seward, Wahoo and Beatrice have historic houses near the square and newer ranches at the edge of town. Each town page lists what we know about housing and climate there.