... the original source, with SBS compound as the modifier, and covers the insulation materials as, sands, gravels pieces, which also ... , granary, tunnel, park, swimming pool, sewage purifying pool and others. C Especially adapting to the waterproof of structure changeable ... base.4 Construction Requirement Basement TreatmentA Dry, strong, smooth and clean base. B Installation: Heating to melt, place the ...