With 27 years of experience in the industry, Dick Schellhase, national sales manager for Allmetal, has gathered a wealth -.'of knowledge that he passes on to customers. "The evolution of air spacers has been interesting and rapid. Due to the variety of IG applications that exist today, air spacers come in a wide assortment of profiles. IG unit manufacturers are faced with many choices when it comes to choosing a supplier. When I field questions from customers, I like to help them by providing the following tips for selecting the appropriate spacer," he says. Standard spacers are the most widely used profile in insulated glass fabrication. They can be utilized for both single and dual seal applications along with an array of sealant types available.
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