Diamond Spray Foam & Coatings
insulation
Serving Forest City, IA
No phone or website on file.
Location: 19024 345th St, Forest City, IA 50436From Google Business Profile
5.0
16 Google reviews
Hours
| Monday | 7:30 AM–6:30 PM |
| Tuesday | 7:30 AM–6:30 PM |
| Wednesday | 7:30 AM–6:30 PM |
| Thursday | 7:30 AM–6:30 PM |
| Friday | 7:30 AM–6:30 PM |
| Saturday | 8 AM–3 PM |
| Sunday | Closed |
Google categories: Insulation contractor
View on Google Maps →Last checked October 5, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible parking lot
Photos on Google: 39
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
5 out of 5 stars · Dec 2025
I had Josh spray the inside of a 48’ shipping container, TOP NOTCH work & very reasonably priced.
5 out of 5 stars · Apr 2022
Called a few places closer to my home before Diamond they never called back so I called here and left a message received a call that same day from Josh and he was happy to fit me in his schedule. Received a call 2 days early he was headed…
5 out of 5 stars · Jan 2022
Josh spray foamed my basement walls and went above and beyond. Awesome communicator and very punctual.
The owner replied to 0 of the 8 most recent reviews Google showed.
From Google Business Profile, last checked October 5, 2026.
About insulation contractors in Forest City
Insulation contractors add attic, wall and crawlspace insulation and air sealing. Insulation contractors perform air sealing, blow cellulose or fiberglass into attics and walls, install spray foam and rigid foam in basements and rim joists, and help homeowners qualify for energy rebates.
Typical cost: $1,800–$6,000 for attic insulation and air sealing. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Ask for an energy audit: Blower door tests identify air leaks.
- Confirm target R-value: Northern climates typically aim for R-49 to R-60 in attics.
- Ask about air sealing: Insulation works best after air sealing.