DOORS, WINDOWS AND HARDWARE
PPG Passive Solar Glass
PPG Industries introduced samples of a new passive solar, low-emissivity glass at the 2012 International Builders Show (IBS). Designed for residential use in colder, heating-dominated climates, the new insulated glass unit (IGU) is made with a 3mm pane of low-E glass on the fourth surface and SOLARBAN 60 glass on the second surface, separated by a 1/2” air space. The configuration yields R-5 (a U-value of 0.22 or less). PPG’s dual-pane, dual-coat technology enables window manufacturers to make better-insulating products without multi-cavity IGUs.
www.ppgideascapes.com
[SPECIFICATIONS]
Pane Thickness — 3mm
R-Value — R-5
Heat Gain Coefficient (SHGC) — 0.72
Visible Light Transmittance (VLT) — 76%
Transmission of Ultraviolet Light — Reduced
Light to Solar Heat Gain (LSG) Ratio — Up to 1.73
Availability — Early 2012
Warranty — 10-year against coating failure
[NOTABLE FEATURE]
> Passive solar, low-emissivity glass, designed for colder climates, achieves R-5 in a dual-pane, dual-coating window.
Zola Terrace Doors
Zola Terrace Doors can be as large as window walls—glass sliders set in tracks that can go floor-to-ceiling. Each glass door pane can be as wide as 4 ft. Offered in Classic and Thermo styles, either can be combined with Zola’s premium rain screen. The Thermo style’s wood frame is 3 1/2” deep, with a layer of German-patented purenit insulation sandwiched between 1-7/8” premium triple-glazing. Thermo’s glass U-Value is 0.088. Zola provides all data needed for Passive House planning.
www.zolawindows.com
[SPECIFICATIONS]
Depth — 68mm or 88mm
Glass U-Value — 0.13 BTU/Hr/ft² to 0.088 BTU/hr/ft²/F
Solar Heat Gain Co-Efficient (SHGC) — 0.5 W/m² /k
Lock — Cylinder
Warm-Edge Spacers — Standard
[NOTABLE FEATURE]
>Grand window walls are a passive-solar winner, because Thermo windows meet Passive House standards, and Zola provides all data needed for those calculations.
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www.greenbuildermag.com 02.2012
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