Looking for a spray foam installer in Martin, SD? Describe your project once and up to five spray foam installers who work in Martin and Bennett County get back to you with a quote. It's free and there is no obligation.
Martin is home to about 923 people (2024 Census Bureau estimate), a shrinking community (−1.4% since 2020). With 1,648 people per sq mi, it is a suburban area. Hot summers, cold winters and leaky older homes make air sealing a priority here.
Martin at a glance
- Population (Census Bureau estimate, 2024)
- 923 (−1.4% since 2020)
- Rank in South Dakota
- 70th of 310 cities and towns
- Land area
- 0.6 sq mi
- Population density
- 1,648 people per sq mi (suburban)
- Type
- City (Martin city)
- Main county
- Bennett County
What to check before hiring in Martin
- Training: ask about applicator training and safety practices.
- Code: in South Dakota, 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 Martin
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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 Martin
How much does spray foam cost in Martin, SD?
It depends on area, foam type and thickness. Describe your project: installers who serve Martin 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 Martin 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.