Intus Windows' Triple-Glazed Wood WindowBy Nigel F. Maynard A European import, this triple-glazed window features a beefy wood frame, warm-edge spacers, silicone seals, and gasketed sashes. The highly energy-efficient unit offers R-values of up to 10. Intus Windows. 888-380-9940. www.intuswindows.com. Advertisement Keywords: SubjectProducts Windows Building EnvelopeOrganizationIntus Windows View more keywords SubjectProducts Windows Building EnvelopeOrganizationIntus WindowsSection / SubsectionPRODUCTS Editors PickBylineNigel F. Maynard View fewer keywords More from BUILDEREDUCATIONCharming, Durable and Green: Specifying Traditional-Looking yet Long-Lived and Sustainable Building...Building EnvelopeWhat Buyers Want—and Don’t Want—in...ProductsReaders Choice: Simonton WindowsWindowsMoving Glass Wall by Milgard Intus WindowsSolar Decathlon Team, Habitat Break...Nigel F. MaynardSimplicity Reigns in Builder's 2008...PRODUCTSHit the Energy Sweet Spot with...Editors PickRough-sawn PVC Fence from Enduris Join the DiscussionPlease read our Content Guidelines before posting.