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OUTSIDE IN Window and curtain wall systems continue to see technical improvements and advances in design by Irwin Rapoport T IBI/HB Architects he use of curtain wall and window wall systems to clad new buildings and retrofit existing structures hasn't waned and because maximizing energy efficiency has become a key ingredient for most projects today, manufacturers are putting in major efforts to upgrade product lines to meet new demands. Architects appreciate the versatility that curtain and window wall offers them in terms of design opportunities, while developers and building owners appreciate the savings that energy-efficient systems offer in terms of reduced operating expenses and attracting tenants. From a public perspective, the glass systems are creating new and interesting skylines, making downtown cores more playful. Window Wall & Curtain Wall p18-23Windowwall.indd 19 With LEED construction still going strong and many buildings being constructed on LEEDtype designs, curtain and window wall systems with increased U-values are becoming more affordable, even as the bar for construction standards and materials is being raised. For many building owners, such systems allow them to put forth more exciting retrofits and reduce energy costs. Harbour Green, Vancouver, B.C. High-performance window wall with Low-E glazing. Photo: Bob These systems also pro- Matheson vide easy-to-maintain systems that give each building a more unique look. UNIQUE STYLE Another critical factor is reducing the construc- The desire for quality, energy-efficient and easytion and renovation time, and that means curtain to-care-for modern-looking windows is a growing and window wall systems that can be installed trend for new structures and retrofits, says Karen rapidly. Meurer, senior marketer and team lead for Durabuilt Windows & Doors. "Builders are designing more modern looking TALL ORDER According to Craig Lovell, sales and marketing homes and older structures are being refurbished," manager for A-1 Window Manufacturing Ltd. she says, "so people are looking for windows and (A1 Windows), an increasing demand is being seen for doors that fit that new unique style." This has translated into a product line for new retrofit high-rise products. "Vancouver's commitment to increase its rental stock has led to the first home construction, renovations and commercial projects called Vivacé, a PVC Eurosystem window purpose-built rental units in decades," he says. "Owners of older properties looking to upgrade and door product. The brand new series is built in their curb appeal consider replacement windows the Durabuilt plant in Edmonton, Alberta. an ideal investment. As Canada's greenest city, "Solid, modern and elegant looking, Vivacé has Vancouver is also trending towards increased energy- a unique tilt-and-turn operating system," says performance requirements through driving down Meurer. "It is designed with a technically advanced acceptable U-values," adds Lovell. NanoSil self-healing finish, where the smallest of A1 Windows recently launched its 350 Series nano particles create a smooth surface with optimal interconnecting window wall system. "The corrosion protection, which provides durable and compact, T6 aluminum 3.5-inch mainframe for both energy-efficient windows and doors." the windows and patio doors is ideal for both retroVivacé windows are being installed in new fit and new construction," says Lovell. "Even though high-end homes being built by Homes by Element it's a smaller profile, it doesn't skimp on performance and in commercial buildings like Fuzion on Whyte and fully meets BC Energy Efficiency Standards." in Edmonton's trendy Whyte Avenue district. october 2013    /19 13-09-13 3:36 PM

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