... is convenient and economical. Scope of Application Thanks to Joaboa's exclusuve prescriptions, its product life is much ... system fastened mechanically. Technical Index Technical Index of all Joaboa waterproof membrane strictly referred to upper-end products abroad. ... Performance Standard: Q/320584 PAI003-2008 Construction Features of Joaboa Fully-adhered System1, Cohesive force of special adhesives is ...