positive and negative waterproofing




  • Made in Vietnam
  • Easy and fast way to waterproof walls, floors, balconies, roofs, tanks, ..v..v..
  • No harmful chemicals
  • Multiple-use
  • Consumption: 1 - 1,5 Kilograms / square meters
  • Type: Powder - Grey
  • Ready to use. Just add water (Or can be sprinkled dry)
  • Floor, wall, Reservoirs, Sewage and water treatment plants, underground vaults, Secondary containment structures, Foundations, Tunnels and subway systems, Swimming pools, Parking structures and roof decks


  • Can be used for outdoor and indoor
  • Reverse waterproofing for indoor walls and ceilings
  • Wet or dry components can be used
  • With vertical grooves: can be sprinkled dry
  • C1B can automatically penetrate very deeply into the structure, filling deep cracks if any

How to use?

  • Spray water to clean dust and grease on the surface
  • Mix C1B with water according to the ratio indicated on the package for homogenization without lumps
  • Use a brush or roller. Large area can use sprayer
  • Apply 1st coat of paint. And wait for the 1st layer to dry completely. (Standby time is 3-4 hours depending on the outside temperature).
  • The 2nd coat is made perpendicular to the 1st coat


  • C1B must be protected from rapid drying due to strong winds or hot weather by covering with wet burlap or by continuous spraying with water.

Safety and Precaution

  • Please check all specifications before use.
  • Keep out of reach of children.
  • Protective gloves must be worn.
  • C1B is cement base and is therefor alkaline. Suitable precautions should be taken to minimize direct contact with the skin


  • 1kg / barrel
  • 5kgs / barrel 
  • 25kgs / barrel
  • 25kgs / bag
  • 1000kgs / big bag

Shelf Life

  • 18 months.

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  • 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