Henry Bakor Aqua-Bloc 720-38 18.9-Litre Elastomeric Asphalt Emulsion Wall Liquid Waterproof Membrane

Item No. 14339
excl. tax
Out of stock Low stock In stock

The Henry Bakor Aqua-Bloc 720-38 18.9-Litre Elastomeric Asphalt Emulsion Waterproof Membrane is an elastomeric, liquid-applied, emulsified asphalt membrane. It is designed for below grade waterproofing of foundation walls and other structures. Aqua-Bloc 720-38 complies with, and exceeds, the requirements of CAN/CGSB 37.2.


  • Water-based and VOC Compliant
  • Seamless low modulus elastomeric membrane
  • Excellent adhesion to most construction surfaces such as concrete, stone, wood, preserved wood, metal and polystyrene
  • Retains flexibility over a wide temperature range
  • Perfect for waterproofing ICF (Insulated Concrete Forms) foundation walls
  • Can be applied to damp or green concrete
  • Can be applied in one coat or in multiple coats with reinforcing fabric
  • Bridges cracks
  • Environmentally friendly due to no solvent content


Solids by Volume60% (approx.)
Weight1.0 kg/L
(8.4 lbs/U.S. gal)
Coverage (per coat)0.5 to 2 L/m2
(1.2 to 5 U.S. gal/100 ft2)
Drying Time50% R.H. 20°C (68°F)
24 hours minimum
Application Temperature5°C (40°F) minimum
Service TemperatureMinus 40°C to 60°C
(-40°F to 140°F)
Tensile Strength
(ASTM D412)
320 kPa (typical)
(50 psi)
(ASTM D412)
2000% (typical)
Peel strength after 7 days water immersion (ASTM D3330 Modified)735 N/m (typical)
(4.2 lbs./in.)
Maximum VOC10 g/L
Low Temperature Flexibility
(CAN/CGSB 37.2M)
No cracking, flaking or loss of adhesion
Water Vapour Permeance
(ASTM E96)
10 ng/Pa.m2.s
(0.2 perms)
Water Resistance
(ASTM D466)
No re-emulsification or loss of adhesion
Hydrostatic Pressure Resistance
(ASTM D5385)
Passes 45 psi or 104 ft.
at 65 mils
Flammability (Wet)Non-Flammable
Flammability (Dry)Burns
Chemical ResistanceResistant to mild acids, alkalis, salt and calcium chloride solutions.