<p>Vetoproof UM766 is a high solids content, cold liquid-applied pitch extended elastomeric polyurethane waterproofing membrane; the product is a liquid applied that hardens through reaction with atmospheric water vapor to form a highly elastic rubbery jointless membrane that is resistant to aggressive groundwater and sewage. Vetoproof UM766 can be applied at 0.7mm on vertical application.</p>
All surfaces to be applied with Vetoproof UM766 must be clean and have an open capillary system. Eliminate laitance, dirt, grease, and other loose materials using high-pressure water jetting or wet sandblasting. Defective concretes such as cracks and honeycombs have to be chased out and repaired before the application.
Priming is not usually required on good quality concrete substrates; however, for highly porous or absorbent concrete, use Vetoseal XX777-50.
Apply Vetoproof UM766 should by a brush, trowel, or a gaged spreader at a thickness of 0.7mm. Use glass fiber scrim and joint tapes on corners and critical areas for membrane reinforcement.
Tiling over Vetoproof UM766 is possible; in such cases, spray sharp sand over Vetoproof UM766 while still wet, 24 hours later, remove all excess sand, and use a suitable tile adhesive from Saveto Tiling Systems Product Range to bond the tiles directly over the membrane.
Allow Vetoproof UM766 to cure for a minimum of 24 hours before placing the protection. Protect the membrane with a cementitious screed or protection boards where damage to the membrane is possible.
Note: Vetoproof UM766 is not resistant to UV light.
Clean all tools employed to apply Vetoproof UM766 with Vetonit Solvent XX400 before it hardens; otherwise, mechanical means are needed.