negative side waterproofing


  • Made in Vietnam
  • C1T is suitable for reverse waterproofing of indoor walls
  • No harmful chemicals
  • 1 Kilogram volume
  • Gray powder
  • Ready to use. Just add water


  • C1T can self-retract deep inside the wall to prevent water from seeping in from the outer wall surface.

How to use?

  • The surface of the wall needs to be cleaned of the old paint and putty.
  • Mix C1T with water in proportion (1kg barrel mixed with 0.24 Liter of water). Mix well for 3 minutes so that the mixture is homegenous without lumps
  • Use a wooden handle brush to sweep. Scan 2 layers vertically and horizontally. The second coat is applied when the first coat is completely dry. 
  • Dry time from 6-8 hours
  • Note: Repaint the wall after the waterproofing


  • 1kg / barrel
  • 5kgs / barrel 
  • 25kgs / barrel

Shelf Life

  • 18 months.

Safety and Precaution

  • Please check all specifications before use.
  • Keep out of reach of children.
  • Protective gloves must be worn.
  • C1T is cement base and is therefor alkaline. Suitable precautions should be taken to minimize direct contact with the skin

Save time

  • Shipping is always proceeding on weekdays
  • Do you have any questions? Please leave a chat, we will reply kindly asap.
  • Working hours for chat: 09:00~17:00 (Vietnam time) (Mon~Sat)
  • Best price guarantee, please PM for bulk orders
  • Wholesalers/Re-sellers are welcome