In The News
August 2018  |  St Louis, MO
Ingenious Solution

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Ingenious Asbestos Solution Saves Thousands

High Performance Hi-Rise Window Replication Resolves Numerous Issues

Built in 1960 with floor-to-ceiling windows, the 18-story upscale apartment building at 801 South Skinker Boulevard in St. Louis offers owner-residents magnificent views of the city and Forest Park. But after 50 years, it was time to update the obsolete window wall system with one that would improve energy efficiency. The original window glazing system - non-thermally broken, clear monolithic glass - was badly outdated and inefficient.
The Challenge

739 leaky, drafty floor-to-ceiling windows needed to be replaced, and the work had to be done with residents living in the space. ? Architecturally, the new windows had to match the original window sightlines yet fit into the existing 4"-deep window pocket and adhere to current building codes. On top of all this, the most serious obstacle uncovered was asbestos-contaminated caulking.
The Ingenious Solution

With winter approaching, Winco got creative and came up with an unusual remedial approach. A custom receptor system was fabricated to encapsulate the existing head and sill members, making it unnecessary to disturb the caulk already in place. Once accomplished, this solution saved the building owner $250,000 by avoiding an expensive abatement project.

With that problem solved, Winco's 1450H Series thermally broken aluminum windows were modified with custom extrusions to meet the historic sightline requirements Concealed steel reinforcing was added to meet the heavy corner wind load of 50 PSF. The stacking mullion, a new design, incorporated a custom steel reinforcing bar. Concealed lanyard window washer bolts were hidden in each of the stacking mullions to match the exterior appearance of the original windows. Pristine PPG Clear Solarban 70XL glass preserved the breathtaking views of Forest Park across the street.

Facilities management says the new windows save about $10,000 a month in gas heating bills, and residents are thrilled.

The above chart compares the sound levels before and after Winco installed the new windows. The reduced noise provides peace and quiet from the busy urban street below.
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Winco Windows ? 6200 Maple Avenue, St. Louis, MO 63130
Phone: 800-525-8089 ?

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