Washington County, south of Iowa City
Spray Foam Insulation in Kalona, IA
Insulation for town houses, rural homes and the outbuildings around them.
- Free on-site estimates
- Written quotes that list R-value and depth for each area
- Air leaks sealed before new insulation covers them

Town Homes and Country Buildings
Spray foam insulation in Kalona covers houses in town and a lot of rural property. Kalona is the second-largest city in Washington County. The railroad established it on August 6, 1879, as part of a branch line from Iowa City to What Cheer, and it stayed unincorporated until 1890. The town had 2,363 residents in 2010 and 2,630 in 2020.
Houses in town
The 2020 census counted 1,155 housing units in Kalona, with just 3.9% vacant, and a median age of 43.2. Many homes in town are older and well kept. The attic floor and the basement rim joist are usually where we start: seal the gaps, then add depth.
A long-settled farming area
Amish settlement around Kalona began in the 1840s. The nearby settlement, founded in 1846, is Iowa's oldest Amish community and one of the largest west of the Mississippi. The countryside is full of farms, shops and outbuildings, and many owners want a workshop or machine shed they can use in winter. Closed-cell foam on steel or wood framing keeps condensation off and heat in.
Climate zone
Washington County, like Johnson County, is in Climate Zone 5A. Iowa's adopted 2012 IECC calls for R-49 ceilings and R-20 walls (or R-13 plus R-5 continuous) for new homes in that zone.
History you can visit
Kalona Historical Village holds the Iowa Mennonite Archives, a reminder of how long families have been on this land. Get a free estimate
Kalona Background
- Railroad founding. The railroad established Kalona on August 6, 1879, on a 66-mile branch from Iowa City to What Cheer, and it stayed unincorporated until 1890.
- Oldest Amish community in Iowa. Amish settlement near Kalona began in 1846; the settlement is Iowa's oldest and one of the largest west of the Mississippi, with about 1,200 people.
- Housing. The 2020 census counted 2,630 residents and 1,155 housing units in Kalona, 3.9% vacant, with a median age of 43.2.
- Climate zone. Washington County is listed in Climate Zone 5A, where Iowa's adopted code sets R-49 ceilings for new homes.

Kalona Questions
Do you travel to rural properties around Kalona?
Yes. We quote houses, shops and farm buildings across the area and can do several buildings on one trip.
What is the cheapest way to make an old farmhouse warmer?
Sealing the attic floor and rim joist, then adding blown-in insulation in the attic. Walls come next if the budget allows.
Can you insulate a wood-framed shop with open-cell foam?
If it is heated and stays dry, open cell can work in the walls. For steel, or a building that gets damp, closed cell is the safer choice.
Free Estimates in Kalona, IA
Kalona homeowners and farm owners: ask for a free estimate.
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