iBlok Waterstop Base Coat Interiors
A breathable waterproofing undercoat for interior walls that guards against damp and surface moisture before the paint goes on.
Best for: Interior walls with mild dampness, New and previously painted interior walls, Under JSW interior emulsions
At a glance
- Coverage
- 90-100 sq.ft. per litre (forced coverage), 1 coat
- Coats
- 1
- Touch dry
- 60 minutes (surface dry); 3-4 hrs before topcoat
- Recoat after
- 4 hours
- Thinning / mixing
- Used undiluted
- Apply with
- Long nap felt roller
- Pack sizes
- 1 L, 4 L, 10 L, 20 L
- Warranty
- Waterproofs 3 years (subject to PIS conditions)
- Low VOC / green
- Low VOC; LEED compliant
- Good to know
- Apply 10-45C, humidity under 90%
How much will I need?
A rough estimate from the coverage on the data sheet. Real coverage depends on the wall.
Enter the wall area or room size.
Why choose it
- Damp resistant and breathable
- Anti-efflorescence
- Resists 2.5 bar negative hydrostatic pressure (ASTM D7088)
- Waterproofs for 3 years (per PIS)
- Helps the topcoat go further and last longer
How to use it
Cure fresh plaster 28 days. Sand off loose paint and dust, repair cracks with iBlok Crack Fix, fill dents with JSW cement or acrylic putty, sand with 180 paper and wipe clean.
Recommended system
- JSW Wall Primer at 50% dilution (180-220 sq.ft./L) then 2 coats iBlok Waterstop Putty, for fresh walls
- JSW interior emulsion topcoat
Source These details are taken from JSW Paints's official website and technical data sheet, and written in simple words by APS. Brands update their products from time to time, so please check the pack and the latest data sheet before use. See the official page
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