Latest Articles in Design & Performance

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    Suppliers say cellular PVC and urethane products are poised for more growth
    Synthetic millwork and trim may cost more than traditional wood, but companies pushing the product see it continuing to gain market share. While the housing downturn may be slowing that trend, these suppliers see more builders and remodelers making the change in the long run.Cellular PVC millwork and trim products, which started out eight to 10 years ago as a “novelty,” have become... more »
  • My one prediction for the International Code Council final action hearings that took place in Minneapolis in September was that they were going to be quite lively— particularly with regards to the energy code discussions. There were 27 public comments that dealt with maximum U-factors for residential construction, and another 18 for maximum SHGC, also for residential construction. The hope... more »
  • While natural disaster newshounds watch alternating seasonal threats of East Coast hurricanes and West Coast wildfires like a tennis match, building codes have been shoring up the defenses in hopes of mitigating disasters such as 2005’s Katrina and 2007’s Witch Creek. We have devoted much discussion in these pages to the evolving codes and standards for hurricane wind, water and... more »
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    Getting ready for new NFRC and Energy Star mandates set to go into effect by 2010 is critical
    For certification, IG must pass accelerated weathering tests, which simulate weather cycling from -20 degrees F to 140 degrees F with high humidity and ultraviolet radiation exposure over a 63-day period. Based on the recommendation of the Insulating Glass Industry Durability Advisory Group, the U.S. Department of Energy plans to require insulating glass certification as a prerequisite... more »
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    Orlando, Fla.—"We just have to get through this,” said one distributor attending the annual exhibition and convention of the Association of Millwork Distributors last week. That attitude was shared by many, expressing quiet determination to hold on for now and get prepared for better times when they do return. No one expects that time coming soon, and that was reflected in... more »
  • "I want a job like yours where I can get paid to write about what I did for my summer vacation," my son remarked. He was responding to my comments that I thought there were elements of Roman architecture, both ancient and medieval, that were relevant to today's development of U.S. building codes, and that I thought I would mention them in my next column for this magazine. We had just... more »
  • Most window and door manufacturers are interested in components that will give their products a higher end look, but most have to balance cost concerns as well. That's still true but hardware and extrusion suppliers at GlassBuild last week indicated more manufacturers are showing a real interest in adding components or developing complete new lines that offer an enhanced appearance... more »
  • This is a sidebar to the article A Manufacturer's Guide to IG Certification. What is ASTM E 2190? ASTM E 2190 was approved in 2002 as part of a continuing effort to harmonize North American standards for IG testing and performance. E 2190 is a standard specification for IG unit performance and evaluation designed to be equal to or improved over its predecessors ASTM E 774 (U.S.) and CGSB 12.8 (... more »
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    Attendance holds up well in weak economic environment
    Las Vegas—As the stock market tumbled, GlassBuild America: The Glass, Window & Door Expo, enjoyed a surprise success last week, as more than 8,000 attendees came to the convention center here. "All the exhibitors at the show were concerned about turnout this year given the down economy,” said Mike Hovan, president of Edgetech IG, one of the event’s largest exhibitors.... more »
  • This is a sidebar to the article A Manufacturer's Guide to IG Certification. Accelerated Aging: Laboratory conditions designed to recreate the normal aging process of IG units in a short period of time. ASTM E 2188: North American harmonized ASTM standard test method for IG unit durability performance testing. ASTM E 2189: North American harmonized ASTM standard test method for testing IG unit... more »