Chappellet Winery

The Project

The Chappellet Winery sits on picturesque Pritchard Hill, near St. Helena, in California’s famed Napa Valley. Its owners wanted to expand its storage capacity and commissioned construction of
a structure called a barrel chai, a wine aging room that requires a very controlled interior environment. The planned structure would house 4,000 barrels of wine, a wine-barrel wash area and a small white wine production space.

To protect the quality of the wine, a barrel chai must be stored in low to no light conditions because sunlight can damage wine. Temperature stability is also a must to preserve the quality of the wine. Finally, because of the winery’s scenic location, the owners did not want a dull, boxy storage building.

Pritchard Hill, California USA
KingZip, 400 Wave & 300 Minor Rib* (*available only in the USA)

There were several unique features Division 13 performed on this project due to the special needs of a winery and compounded by its location in an area of high humidity,” he said. “The Kingspan products were well suited to these environments and performed better than other products. The KingZip roof panel provides great looks and incredible energy performance. Simply stated, it’s a superior commercial metal roofing system.

Marc Davis - President and Owner, Division 13 Buildings Inc., the Design Build Metal Building Contractor on this project


Adding to a Pastoral Appearance

Kingspan 400 Wave and 300 Minor Rib insulated metal panels (IMPs) were used primarily as an insulating product, but also because they offered a look that added to the winery’s pastoral appearance. They also allow flexibility in design and minimize construction delays by offering a single component IMP product instead of more complicated multi-part panels. The 300 Minor Rib panel was used on two sides of the fascia to provide insulation and a single skin Corten panel was installed over the outside face as an architectural finish.


One-Step to Success

KingZip’s one-step installation can reduce on-site installation time by up to 50% compared to conventional roof systems. A KingZip roof can result in energy savings of as much as 30% over conventional cavity-based insulation systems due to a high R-value, superior airtightness, and low thermal bridging.

Products used on this project

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Case study PDF of Chappellet Winery in Pritchard Hill, California USA

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