iBlok Waterstop Base Coat Exteriors

At a glance

Coverage

Vertical: about 45 sq.ft./L overall (self-priming coat 90 sq.ft./L + 1 coat 90 sq.ft./L). Horizontal: about 15 sq.ft./L overall (primer coat 75 sq.ft./L + 2 coats at 37 sq.ft./L)

Coats

Vertical: 2; horizontal: 3

Touch dry

60 minutes (surface dry)

Recoat after

4 hours (4-6 hrs between coats)

Thinning / mixing

First (self-priming) coat diluted 25% v/v with water; later coats undiluted

Apply with

Brush or 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 finishing coat within 7 days on vertical surfaces; apply 10-45C, humidity under 90%

Why choose it

• Waterproofs for 3 years (per PIS)
• Bridges cracks, 300% elongation (ASTM D3075)
• Resists 4 bar (vertical) and 6 bar (horizontal) positive water pressure
• Anti-efflorescence
• Low VOC, strong adhesion

How to use it

Cure fresh plaster 28 days. Wire-brush off loose paint, fungus and algae and wash down. Open non-structural cracks in a V-groove and fill with iBlok Crack Fix.

Recommended system

1. iBlok Waterstop Crack Fix for non-structural cracks
2. JSW exterior emulsion (Halo, Aurus or Pixa) as finishing coat