Looking for a spray foam installer in Round Lake Heights, IL? Describe your project once and up to five spray foam installers who work in Round Lake Heights and Lake County get back to you with a quote. It's free and there is no obligation.
Round Lake Heights is home to about 2,599 people (2024 Census Bureau estimate), a stable community (−0.8% since 2020). With 4,512 people per sq mi, it is a densely built-up area. Hot summers, cold winters and leaky older homes make air sealing a priority here.
Round Lake Heights at a glance
- Population (Census Bureau estimate, 2024)
- 2,599 (−0.8% since 2020)
- Rank in Illinois
- 437th of 1,294 cities and towns
- Land area
- 0.6 sq mi
- Population density
- 4,512 people per sq mi (densely built-up)
- Type
- Village (Round Lake Heights village)
- Main county
- Lake County
What to check before hiring in Round Lake Heights
- Training: ask about applicator training and safety practices.
- Code: in Illinois, 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 Round Lake Heights
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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 Round Lake Heights
How much does spray foam cost in Round Lake Heights, IL?
It depends on area, foam type and thickness. Describe your project: installers who serve Round Lake Heights 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 Round Lake Heights 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.