• Maintain substrate concrete to the defined period, according with design and specification requirements.
  • Clean up dust and sundries on the substrate paved and adhere to waterproof membranes.
  • Keep the internal and external corner circle arc and the surface dry, make sure the moisture content less than 9% (dry test: pave 1㎡ membrane smoothly on the screed-coat, then check the membrane paved side whether has watermark or not after 3~4 hours, if not, it can construct)


For more detail, please download the following PDF document