The Story Behind the Truck: Meet Sam Hartmann
If you’ve met RVI recently, it might be through a crew on a custom build somewhere in the Northwoods, or Sam Hartmann walking a builder through what a blower door test shows. What most people don’t know is how Sam got here, or what’s still driving...
The Most Common Insulation Mistakes in Existing Homes
We work with builders across Northern Wisconsin, so it makes sense that most of our conversations focus on new construction. New-build insulation is important for homeowners who care about comfort, durability, indoor air quality and energy efficiency. Existing homes...
Building Science Reality Check: Why Does Spray Foam Fail in Northern Wisconsin?
We recently wrote about the unique challenges of building in USDA Hardiness Zone 6A. If you haven’t reviewed that article, yet, go ahead and skim it over! Continuing that important conversation, this month we’re diving into one of the biggest insulation...
A Winter Milestone: The Day the Heat Turns On!
January in Wisconsin means we’re deep into the construction season, where every day on the jobsite is a test of endurance. As tradespeople, we all know this feeling. You wake up, check the weather, and start the mental calculation of what it’s going to...
Foundation Insulation 101: Interior vs. Exterior Options for Wisconsin Homes
At RVI, we know from experience that foundation insulation isn’t optional in Northern Wisconsin. Sure, building codes will tell you the minimum requirements. But as building science experts, we know you should insulate your foundation regardless of what the code...About RVI
Since inception in 2000, RVI has been a leader in innovative Air Sealing and Insulating Systems. A family, faith, customer, and community-focused business, RVI is owned and operated by Sam and Ashly Hartmann (pictured above with their children) in their hometown of Rhinelander, WI.