Codes, Standards, Rating Systems, and the Roofing Industry May 15, 2012 Based on the number and type of questions received at the RCI office, there appears to be some confusion regarding “insulation above-deck” re – quirements in the various standards and codes. Questions asked are, “What are the current requirements?” and “When can I expect to see changes?” “What is driving these changes?” and “How can […] Read More
Commercial Skylights: Overcoming The Objections May 15, 2012 8 • I n t e r f a c e J u l y 2 0 1 2 Daylighting a commercial building with a welldesigned skylight system is a very cost-effective way to save on energy expenses and reduce a building’s carbon footprint. It is a strategy that supports the 2007 Economic Independence and […] Read More
The Oast of the Town May 15, 2012 Developers in southeast England are now building “bespoken” (custom- made) homes that mimic the vernacular oast structures once common throughout that region. Oasts1 were buildings used to dry or kiln fresh hops before they were sent to breweries to flavor beers. Freshly picked hops had a high moisture content of approximately 80%, which was reduced […] Read More
Heating it Up! New ASTM Requirements for TPO Roofing Membranes May 15, 2012 Given the recent economic conditions, it seems as though every politician has a sure-fire solution to pull the country out of any sustained or repetitive recessionary period. Suggestions about how to revitalize the flagging economy abound, from cutting corporate taxes to further stimulus packages. Any economist would certainly agree there is no one right answer […] Read More
Environmental Product Declarations (EPD) for Single-Ply Roofing Membranes in the Context of European Standardization May 15, 2012 EU Stand ards for Constr ucti on Products With the foundation of the European Union (EU), an explicit goal was to remove trade barriers and therefore to ensure a free, unhindered exchange of goods among the member states. The numerous national standards were regarded as such barriers. Mandates were issued by the European Commission to […] Read More
SPRI Tackles the Latest Single-Ply Issues: Water-Based Adhesives and Moisture Under Membranes May 15, 2012 Single-ply roofing membrane systems have been used successfully to waterproof lowsloped roofs worldwide for more than 40 years. These systems include thermoset (EPDM), thermoplastic (PVC, PVC/Elvaloy, TPO), and modified-bituminous membranes. SPRI, the association representing sheet membrane and component suppliers to the commercial roofing industry, reports that in the past five years alone, there have been […] Read More
Protecting Metal Roof Panels From Hight Wind While Reducing Noise May 15, 2012 In an area with hurricanes or high winds? Have a standing-seam metal roof that cannot meet the new wind load requirements? What about a metal building that makes lots of noise when it’s windy? One product solution may be an external purlin system. An external purlin for standing seam metal roofs, called WINDBAR, can add […] Read More
Roofing The Dubai International Air Terminal Concourse II May 15, 2012 “Tie-in,” “tie-off,” “water cutoff,” and “night seal” are some terms commonly used to denote the method for terminating the roof during installation at the end of a work day for purposes of “drying-in” the roof. As defined by the National Roofing Contractors Association (NRCA), tie-off is “usually temporary plies or transitional seals that are installed […] Read More
Unintended Consequences: Keeping Alert to Protec Single-Ply Roofs May 15, 2012 The current generation of TPO (thermoplastic polyolefin) and PVC (polyvinyl chloride) singleply systems has achieved an outstanding performance rec – ord in the low-slope market. These single-ply membranes have been available and successfully performing in applications for quite some time – in some cases, well over 20 years. However, like any other system, single plies […] Read More
Using Metal on a Low Slope May 15, 2012 Most people think of metal roofing being installed on steep slopes, over 2/12 pitch where the roof is visible, adding to the curb appeal of the building. This is not the type of roofing being discussed here. Instead, this article reviews methods to successfully install metal roofing on open-frame structures on slopes as low as […] Read More
