IMPERMAX POLYUREA H FLEX is a liquid applied bridge deck waterproofing kit based on polyurea resin, manufactured by the company KRYPTON CHEMICAL, S.L. The waterproof membrane consists of a polyurea resins, bi-component, elastomeric; which once polymerised conforms a jointless elastic lining, in form of a layer completely bonded to the support (concrete).

This liquid applied bridge deck waterproofing kit is not intended to receive direct vehicular traffic in service and in this case will always be used beneath overlays of asphalt (mastic asphalt, asphalt concrete or concrete) which may have a protective character and/or additional waterproofing function. The kit “IMPERMAX POLYUREA H FLEX” is designed and installed in accordance with the manufacturer, design and installation instructions.

The intended use of Liquid Applied Bridge Deck Waterproofing Kits is the waterproofing of the concrete deck of the bridge preventing or controlling the passage of water to the support.

This kit is made of non-load bearing construction elements. It does not contribute directly to the stability of the bridge on which is installed, but it can contribute its durability by providing enhanced protection from the effect of weathering.

This applied kit fulfils the Basic works requirements nº 1 (Mechanical resistance and stability), nº 3 (Hygiene, health and the environment) and nº 4 (Safety in use) of the European Regulation 305/11.