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Reducing installed costs of residential solar by the use of adhesive mounted lightweight solar modules

: Honeker, C.; Fuller, E.; Watts, A.; Booth, D.; Flaherty, B.; Mao, E.


Institute of Electrical and Electronics Engineers -IEEE-:
IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016 : 5-10 June 2016, Portland, Or.
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-5090-2724-8 (Electronic)
ISBN: 978-1-5090-2725-5 (Print on Demand)
Photovoltaic Specialists Conference (PVSC) <43, 2016, Portland/Or.>
Conference Paper
Fraunhofer CSE ()

Residential non-hardware 'soft costs' can be substantially reduced by simplifying photovoltaic (PV) installation. Adhesive mounting of lightweight (glassless, frameless) PV modules onto steep-slope shingled roofs eliminates roof penetration and the need for structural review. In this work, adhesive performance is evaluated via pull-testing, creep testing as well as durability testing. Results show adhesive uplift resistance sufficient for 150mph wind (safety factor = 2) and an increase in adhesion after most aging tests. Creep is observed at extreme roof-pitch and high temperature. An approach to predicting creep over the lifetime of a PV installation is outlined.