About IWI


Climbing to New Heights of Service & Satisfaction

Intermountain West Insulation is Eastern Washington’s local insulation contractor. Since 1981, we have offered advanced insulation solutions based in building science for both new construction and existing projects. We have since expanded, with added locations offering garage door installation and painting services. We are licensed, bonded and insured to ensure that we maintain our good reputation and service for decades to come.


IWI in the Community

Intermountain West Insulation regularly gives back to the communities we service. See our Community Page to learn more about some of the initiatives and events we support.


On the Map

We have five hubs to serve you: Wenatchee, Yakima, Spokane, and Kennewick. Our service area has branched out over the years and now extends past Eastern Washington to include Idaho, Oregon and Utah. Give us a shout and we’ll promptly send a team out your way.

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