Videos, Studies & More Videos (view more Capiphon Videos on our Capiphon USA YouTube Channel). Capiphon USA IntroCapiphon Demo’s Capiphon Installs Studies: US Studies Australian Studies Final AASHTO Product Evaluation List (APEL) Report on Capiphon Drain Belt Provided to the American Association of State Highway and Transportation Officials (AASHTO) by TRI/Environmental, Pipe Testing Division (2018) Drainage Characteristics of Capiphon Belt & Pipe – Some Comparisons with Slotted Pipe with Sock Geffrey R Fenn Rock Seepage into House / Patio – Case Study Enhanced Bio-filter Treatment of Urban Stormwater by Optimizing the Hydraulic Residence Time in the Media University of Alabama, Tuscaloosa, & Penn State, Harrisburg (2008) Dubbo Turf Club Racing Track – Case Study Under House Seepage/Flooding – Case Study Examining the Clogging Potential of Underdrain Material for Stormwater Biofilter University of Alabama, Tuscaloosa, & Penn State, Harrisburg (2010) Overcoming Gravity on a Balcony – Case Study Chinese Studies New Retaining Wall with Limited Depth Access – Case Study Translated Flow Reports For Capiphon Drain Belt Chinese Research Institute of Water Resources and Hydroelectric Power Restricted Depth Rules Out Ag Pipe – Concrete Slab – Case Study Waterproofing on a Boundary – Case Study Behind Shotcrete Basement Wall – Case Study