We began as one of the premiere roof contractors in the greater Los Angeles area and soon became a large manufacturer of roofing accessories. Unable to find viable solutions to weatherproofing problems we faced as contactors, we began manufacturing our own patented products in 1994. ASI now holds four (4) US patents for roof accessories and will have more on the way in the near future. Today, ASI
manufacturers a complete line of waterproof roof accessories designed to weatherproof difficult roof penetrations. Our Storm Collars have been in service on No Dollar Limit (NDL) roofing systems in California since 1995. Our patented products are now used extensively across the United States, under all kinds of conditions. They are unique in an industry where the old ways are hard to change and are an effective and economical solution for weatherproofing penetrations through a roof. Each product is made from high quality, long-lasting materials, and made in the good old USA. The ASI approach to product development has always been to "build a better mouse trap". We always strive to solve the most difficult roof design problems using simple to install solutions. Architects, engineers, consultants, specifiers, contractors and building owners marvel at the simplicity of our designs and ease of use of our entire product line. "Why hasn't anyone done this before" is a commonly voiced by our customers on a daily basis. Our top selling products are the Retro Spin™ Flashings, and Retro-Split™ Collars sold as our Spin-Flashing kit. However, whichever product you use from our lineup of weatherproofing solutions, the final test is customer satisfaction. (A customer's dry roof) We at ASI go to great lengths to ensure that our goods perform as promised so our customers can Make More Money!