4.5 
152 *The Angi rating for EIFS Installation companies in Boulder, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their EIFS Installation needs.
*The HomeAdvisor rating for EIFS Installation companies in Boulder, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their EIFS Installation needs.
Last update on February 24, 2026
Serving Boulder, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2015
Free estimates
Small jobs welcome
"Jason and Installer was great and very happy with the work. Inspector commented on how good of a job was done!"
+44
Serving Boulder, CO and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1992
Free estimates
Warranties offered
"They seem to be doing great. Power is installing six windows. I like them. The installers are very efficient and thorough. They sent a qa manager to double check everything"
+28
Serving Boulder, CO and surrounding areas
Approved
In business since 1993
Free estimates
Credit card accepted
"I only needed part of my attic insulated and brought up to code. I had others try to sell me lots of services I didnâ t need, nor ask for. Denver Insulation came out, measured the area, and gave me a straight forward quote. Work was very fast and professional."
+10
Serving Boulder, CO and surrounding areas
Approved
In business since 2004
Free estimates
Emergency services offered
"All went as well as could be expected. The attention to detail of the installers was outstanding."
Serving Boulder, CO and surrounding areas
Approved
In business since 2004
Free estimates
Emergency services offered
"Easy to schedule estimate and installation"
Serving Boulder, CO and surrounding areas
Approved
In business since 2020
Free estimates
Warranties offered
"Alvin was very friendly and responsive. They had a quick install timeframe and did a great job of install and cleaning up afterwards."
+25
Serving Boulder, CO and surrounding areas
Approved
In business since 1999
Free estimates
Credit card accepted
"Our original siding was 34 years old. They stripped it off in a few hours and replaced it with perfectly installed James Hardie fiber cement siding and trim. We now have a brand new house! Ernest and everyone we had contact with from GS were very patient, service oriented, and concerned for our satisfaction. We would recommend them unconditionally."
+7
Serving Boulder, CO and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"The installation crew was very professional and did an excellent job. We are delighted with the new look of our house. We would highly recommend Ideal Siding to anyone."
+72
Serving Boulder, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Emergency services offered
"If I had to do this again, I would hire this company. Good people that knew what they were doing. Good price based on all the work they had to do. I had a mix of blow-in services. Blow in the wall where there was no insulation in the garage - that's hard work to get it in there right. The quote came with a person to come back and patch the wall holes, that was nice. In the attic they added insulation and sealed up some penetrations. This part went pretty quickly and I'm looking forward to lower heating and A/C bills."
+20
Serving Boulder, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Offers commercial services
"For our garage, excellence at all points: installing insulation, paneling & painting, cost considerations and communication."
+10
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