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Durable mounting of solar photovoltaic (PV) panels is an important application for the solar industry.Long term real world durable installations are required to justify the cost for building economically viable solar farms.This paper discusses potential mounting strategies for rigid PV modules with an emphasis on rail mounting of glass/glass modules.Advantages of rails over other mounting approaches will be discussed as well as relevant forces acting on the adhesive in the rail mounting system.The use of 3M Solar Acrylic Foam Tapes (SAFT) for this application is reviewed in detail.Some general references are reviewed to illustrate why adhesive tapes are a good solution for attachment of rails to glass/glass modules.Specific data is presented with regards to long term performance characteristics of tapes.Based on the relevant performance characteristics and material property data,a design guideline is proposed for initial evaluation by module manufacturers using SAFT 2204 in rail mounting application.Some of the benefits of using this type of tape for rail bonding application are: immediate handling strength;consistent bond quality due to ease of application in the bonding process,tolerance to thermal mechanical stresses;weatherable,long-term durable performance with a proven track record in outdoor industrial applications;and an attractive cost effective approach.