thar wp
thar wp


Integral Waterproofing Powder Additive for Concrete and Mortar

BESTBUILD THAR WP is an integral waterproofing powder additive ready for use with concrete and sand-cement mortars. It fills the natural pores and improves water tightness of concrete and sand-cement mortar.

  • Effective Pore Filler: Fills capillaries and pores effectively to prevent water seepage.
  • Improves Workability: Makes the mix more cohesive and denser.
  • Corrosion-Free: No added chloride, hence doesn’t attack re-bars.
  • Compatibility: Can be used with all types & grades of cements, except high alumina cement.
  • Value For Money: Most economical waterproofing additive.
Standards Compliance

BESTBUILD THAR WP conforms to IS:2645-2003.


Available in 500 grams pack.

  • BESTBUILD THAR WP can be used in basements, roof slabs & screeds, water retaining structures, external plastering, bathrooms, balconies, etc.
  • 1. Prepare the dry mix of cement and sand/aggregate.
  • 2. Add the measured quantity of BESTBUILD THAR WP and mix for two minutes to obtain an even mix.
  • 3. Add the measured quantity of water as per w/c ratio and mix to completion.
  • 4. Once the application is complete, cure the concrete/mortar as per the standard practice of water curing.
Dosage With normal concrete and sand-cement mortar, use 500 grams of BESTBUILD THAR WP for every 50 kg bag of cement.
  • 1. Do not add BESTBUILD THAR WP directly to water and in wet concrete/mortar.
  • 2. Use of gloves while handling BESTBUILD THAR WP is recommended.
Shelf Life & Storage Shelf life is 12 months from the date of manufacturing, if stored in unopened original packaging. Store in cool & dry place, away from direct sun light.