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...
Building the Next Generation: How RHS Trades Expansion Is Creating Tomorrow’s Skilled Workers
The School District of Rhinelander (SDR) is making significant strides toward becoming the premier destination for future tradespeople to earn their high school diplomas. The community passed a $26 million referendum in April 2024, which has given the district the...
A Summer That Proved the Importance of Proper Air Sealing
Summer 2025 in Wisconsin has been one for the books, between scorching heat waves and unexpected air quality challenges from Canadian wildfire smoke. While the smoky air has granted us some unusually pretty sunrises and sunsets, this season has also highlighted...
What are the Upcoming Wisconsin Building Code Changes?
There has been a lot of buzz about the upcoming changes to the Wisconsin building codes (IRC and IECC 2024). While these pending changes have some builders concerned, we have good news: If you’re the kind of quality builder we know you are, you’re already ahead of the...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.