Where two rivers meet
Spray Foam Insulation in Union City, MI
A historic river village on the Branch-Calhoun county line.
- Free estimates after we measure on site
- Each area priced with its material, depth and R-value
- Leaks, damp wood and old wiring pointed out before we insulate
A River Village With Deep Roots
Spray Foam Insulation in Union City covers older village homes and the farm buildings around it. Union City was settled in 1831, platted in 1835 and incorporated as a village in 1866. It sits where the Coldwater River joins the St. Joseph River, mostly in Branch County with a small northern piece in Calhoun County.
Old houses
The John D. Zimmerman home at 119 East High Street, built around 1840, is on the Michigan State Historic Sites list; Union City was designated Station No. 2 on the Underground Railroad, with Zimmerman as stationmaster. Older houses in the village often have balloon framing, plaster walls and stone or block foundations.
Housing
The 2020 census counted 1,714 residents and 733 housing units, 9.8% of them vacant.
Storm repairs
An EF3 tornado struck west of the village on March 6, 2026. Homes being repaired or rebuilt after storm damage are a good opportunity to insulate walls and attics while they are open, with spray foam or batts and air sealing.
Typical work
Older homes get attic sealing and depth, rim and sill foam, and dense-pack in empty walls. Farms nearby get closed-cell foam in barns and shops.
Lake homes on Union Lake
Riley Dam on the St. Joseph River, built by 1923, formed Union Lake. Homes near the lake and the two rivers deal with damp air off the water. Where a house sits over a crawl space, closed-cell foam on the walls and rim, plus attic sealing, makes it more comfortable in winter and drier in summer.
Call (269) 256-1613 or book a visit and we will look at your Union City home. Get a free estimate
What to Know in Union City
- Rivers. Union City sits at the junction of the Coldwater and St. Joseph rivers (Wikipedia).
- History. Settled in 1831, platted in 1835 and incorporated in 1866; the Zimmerman home (about 1840) is a Michigan State Historic Site (Wikipedia).
- Housing. 733 housing units at the 2020 census, 9.8% vacant; population 1,714 (Wikipedia).
- 2026 tornado. An EF3 tornado struck west of the village on March 6, 2026 (Wikipedia).
Union City Questions
Can you insulate during storm repairs?
Yes. Open walls and roofs are the easiest time to add insulation and air sealing.
What do older Union City houses usually need?
Attic sealing and depth, foam at the rim and sill, and dense-pack in empty walls.
Do you work in Branch County?
Yes, in and around Union City.
How do you handle stone foundations?
Closed-cell foam follows the uneven stone at the sill and seals it.
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