Flash Harry One Shot Waterproofing 5L

• One shot must be used in conjunction with a waterproofing membrane. • As with any liquid and membrane system, the first saturating coat is critical • Not recommended for areas of long-term ponding or under tiles • On porous surfaces a 50% product and water dilution or a bonding liquid, is recommended as a priming coat • Do not use to overcoat bitumen waterproofing systems • Not recommended where exposure to negative water pressure is present