Looking for a spray foam installer in Gilmore City, IA? Describe your project once and up to five spray foam installers who work in Gilmore City and Humboldt County get back to you with a quote. It's free and there is no obligation.
Gilmore City is home to about 484 people (2024 Census Bureau estimate), a stable community (+0.0% since 2020). With 391 people per sq mi, it is a semi-rural area. Hot summers, cold winters and leaky older homes make air sealing a priority here.
Gilmore City at a glance
- Population (Census Bureau estimate, 2024)
- 484 (+0.0% since 2020)
- Rank in Iowa
- 446th of 940 cities and towns
- Land area
- 1.2 sq mi
- Population density
- 391 people per sq mi (semi-rural)
- Type
- City (Gilmore City city)
- Main county
- Humboldt County
What to check before hiring in Gilmore City
- Training: ask about applicator training and safety practices.
- Code: in Iowa, the energy and residential codes set R-values and barrier requirements.
- Rebates: utilities sometimes rebate insulation upgrades.
- Price drivers: area, foam type, thickness and prep.
Useful official resources
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U.S. Department of Energy: insulation
Official information and guidance.
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Spray Polyurethane Foam Alliance
Official information and guidance.
Services available in Gilmore City
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Attic spray foam
Spray foam on the roof deck or attic floor, often to create a conditioned attic.
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Walls, rim joists and crawl spaces
Spray foam in open walls, rim joists, basements or crawl spaces.
Frequently asked questions in Gilmore City
How much does spray foam cost in Gilmore City, IA?
It depends on area, foam type and thickness. Describe your project: installers who serve Gilmore City reply with a quote.
How long does installation take?
Often a day for a typical attic, plus curing time.
Can foam go over old insulation?
Usually old material is removed first; ask the installer.
Which spray foam installers will contact me?
Up to five independent spray foam installers who serve Gilmore City and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.