Vetoproof UM766

Elastomeric polyurethane liquid applied waterproofing membrane


Wet areas: kitchens, bathrooms, swimming pools,...etc.
Basements, tunnels, subways, and culverts.
Inverted roofs, suspended slabs, balconies.
Tanking systems.
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Technical Information
Product Description

Vetoproof UM766 is a premium quality pitch extended 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.

  • Easy to apply single component liquid application.
  • A jointless application that is easy to detail.
  • Crack bridging highly elastic membrane at various temperatures.
  • Vapour proof.
  • Easy to repair and maintain.
  • Fully bonded, prohibiting lateral migration of water.
  • Thermally and chemically stable, resistant to oxidation and embrittlement.
  • Economical.
  • ASTM C836/C836M (2012)
  • ASTM C1417/C1417M-05 (2014) e1
  • ASTM C898/898M-2009
Packaging & Coverage

Vetoproof UM766 is supplied in 20 Liters Pail.

Theoretical Coverage: 1.4m²/L @ 0.7mm thickness.

Stated consumption data is for general guidance. Actual consumption depends on the nature of substrate, method of application, and wastage.

Shelf Life & Storage

The original sealed bag of Vetoproof UM766 has a shelf life of 6 months, provided it is stored in original sealed containers clear of ground in a dry and shaded place below 35ºC.

Application Information
Instructions for use

Design Criteria

Vetoproof UM766 usage follows the guidelines of EN BS8102:2009 and CIRIA report No. 139 and ASTM guides C1417 nad 898.


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.


Surface Preparation

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, etc., have to be chased out and repaired before the application. 

Additional Information
Health & Sefety

Some people are sensitive to resins, hardeners, and solvents. Wear suitable protective clothing, gloves, and eye protection. If working in confined areas, appropriate respiratory protective equipment must be used. The use of barrier creams provides additional skin protection. In case of skin contact, rinse with plenty of clean water, then cleanse with soap and water. Do not use solvent. In case of contact with eyes, rinse immediately with plenty of clean water and seek medical advice. If swallowed, seek medical attention immediately - Do not induce vomiting.

Vetoproof UM766 is flammable, do not use near to open flames.

Refer to the product Material Safety Datasheet for further information.

Important note

Saveto endeavors to ensure that any advice, recommendations, information it may give is accurate and correct. It cannot accept any liability either directly or indirectly arising from the use of its products because it has no direct or continuous control over where or how its products are applied, whether or not following any advice, specification, recommendation, or information given by us. Saveto has the right to change any of the technical datasheets' specifications upon its discretion without prior notification.

Hard copies of TDSs are printed once or twice a year. Our technical data sheets are continuously updated as per R&D improvements and new 3rd party testing; kindly refer to our website for the latest updated TDSs.

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Contact us
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Saudi Vetonit Co. Ltd. (SAVETO)
P.O. Box 52235 Riyadh 11563, KSA
Toll: (+966 11) 265 3334
Fax: (+966 11) 265 0936
800 124 9009
Fax: (+966 11) 265 0718
Email: sales@saveto.com