Northwest edge of the metro
Spray Foam Insulation in Grimes, IA
Four in ten Grimes homes went up in the 2010s, many with basements still unfinished.
- Free on-site estimates across the metro
- Written quote listing material, depth and R-value for each area
- Air leaks, damp spots and old wiring checked before anything is covered
Newer Homes at the Edge of Farm Country
Spray foam insulation in Grimes fits a town that has tripled in size since 2000. Wikipedia lists 5,098 residents in 2000, 8,246 in 2010 and 15,392 in 2020. Point2Homes puts the median year built at 2009, with a striking 40.2% of homes built from 2010 to 2019 and 7.8% since 2020. Grimes was founded in 1881, incorporated in 1894, and sits in both Polk and Dallas counties.
Tight market, lots of owners
Only about 1.7% of Grimes homes sit vacant, and owners occupy about 70.9% of the 6,117 occupied homes. Many are finishing basements and adding rooms to houses they plan to stay in. Foam on the rim and foundation walls before framing is one of the most useful upgrades.
Shops and outbuildings
Grimes sits at the edge of farm country, and acreages nearby often have a steel shop or pole building. Closed-cell foam bonded to the steel stops condensation drip and makes the building much cheaper to heat. We size the thickness to how you use the space.
Wind on open lots
New subdivisions on former fields have few mature trees, so winter wind hits the houses directly. That pushes cold air through rim joists, garage walls and attic gaps. We seal those before adding any insulation.
Garages
Attached three-car garages are standard here, often with a room above. Foam on the garage ceiling and the shared wall helps those rooms.
A typical Grimes job
For a 2015 ranch with a full unfinished basement, we foam the rim and basement walls before framing. Upstairs, we check the attic for gaps and top up any thin spots. If there is a heated garage or shop, we foam the walls and ceiling.
Costs
HomeGuide's national figures put rim joist foam at about $2,000 to $2,500 and closed-cell at $3.00 to $5.00 per square foot. Shops are priced by the square foot of steel we cover. Our written estimate is the price.
Steel and condensation
On a steel building, warm, damp air inside condenses on the cold panels and drips. One to three inches of closed-cell bonded to the steel stops that. Get a free estimate
What to Know in Grimes
- Growth. Population rose from 5,098 in 2000 to 15,392 in 2020 (Wikipedia).
- Housing age. Median year built 2009; 40.2% of homes built 2010-2019 (Census figures via Point2Homes).
- Low vacancy. About 1.7% of homes are vacant and 70.9% of occupied homes are owner-occupied.
- Two counties. Grimes lies in Polk and Dallas counties, both in Climate Zone 5A.

Grimes Questions
Do you insulate pole buildings near Grimes?
Yes. Closed-cell foam on steel is our usual approach for shops and pole buildings.
Should I foam my basement before finishing it?
Yes. It is the easiest time to reach the rim and walls.
Why are rooms over my garage cold?
The garage ceiling is often lightly insulated and leaky. Foam there usually helps.
How much foam does a heated shop need?
More than cold storage, especially on the roof. We size it to how you use the building.
Can you foam during winter?
In heated spaces, yes. Unheated shops need heat brought in or a milder day.
Free Estimates in Grimes, IA
Grimes homeowners: request a free estimate.
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