Who knew that historic glass reflects light differently than modern glass? Or that the shape of a glazing putty knife can impact a window’s water resistance?? Details like this connect us to a building’s humanistic story.
In the Heritage Center’s first preservation workshop, participants worked to restore Frisby House’s original windows, learning hands-on why historic places matter and what it takes to care for them.
With the windows now securely re-installed, this workshop marks an early success for the Heritage Center. The organization is undergoing a $175K restoration project, activating the interior of Frisby House as a welcome center.
Why window restoration matters…
Built in 1865, the Frisby House is one of West Bend’s oldest Italianate buildings, but after several ‘gut-job’ renovations, a lot of the historic features were lost. It makes bringing elements back, like these windows, all that more significant. Restoring the function of a historic building contributes to its integrity. Aside from historic value, these windows are more sustainable and efficient than their modern counterparts.
What is window restoration?
Window restoration is about returning windows to 100%, functioning like the day they were installed. It’s a holistic maintenance approach, using processes (like glazing) and tools (like hemp cord) to continue the lifespan of the window.
Window restoration is a time-consuming (but ultimately rewarding) endeavor allowing windows to be used for years to come.
What goes into window restoration?
From beginning to end, a lot goes into restoring wood windows. Including glazing, painting, and installing new sash cords. Here’s what that process looks like…
Broken sash cords, damaged seals and panes, and countless layers of paint all signaled a desperate need for restoration. If left neglected, these windows would have been lost to rot and mold.
The restoration process starts here: de-installing the window components…
Back at the Heritage Center, window sashes are cleaned and prepped. Glass panes are carefully removed while layers of paint are scraped off.
A note on weather-proofing historic windows
Window glass is re-installed and glazed to create a weatherproof seal. Next, the sashes get a fresh coat of linseed oil paint, one more barrier to protect them from the elements.
Unlike today’s paints, linseed oil paint is penetrating.
Why it matters…
When restoring wood windows – our first priority is to ensure protection from the elements. Since linseed oil paint won’t trap moisture that could make the wood rot – it’s a natural choice. Plus, linseed oil paint is long-lasting! (Inside tip: for the paint to soak in better, prep the surface with 1 part boiled linseed oil and 1 part turpentine – also known as BLO-Turp.)
Fast forwarding… finished sashes are returned to Frisby House. The window sash system has been reinstalled with new cords and the original weight. And voila! These windows function as good as the day they were installed.
What’s next for Frisby House?
Now that the windows are re-installed, we’re surveying the interior of the first floor. Architectural Conservator Steve Stuckey will be going through, cataloging each element, to uncover what’s original and what’s not. The culmination is a Historic Structures Report (HSR) which serves as both the historical narrative and guide to preserving Frisby House.
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Community support allows us to continue telling Washington County’s stories. We invite you to become a member and consider making an additional gift of support. Contact us about sponsorship opportunities for local businesses as well.