Bridge Deck Waterproofing Membrane Systems

The polyurethane liquid waterproofing membrane isoflex pu 500 is applied by roller or airless spray in three layers.

Bridge deck waterproofing membrane systems.

This specification covers three types of deck waterproofing membrane systems designed for use on bridge decks which will receive an asphaltic concrete overlay. Type i are cold liquid applied chemically curing membrane materials that that require a membrane protection course. For steel bridge decks under hot poured asphalt. Durable waterproofing systems for concrete and steel bridge decks.

Concrete bridge deck performance 7 respondents were asked to identify which waterproofing membrane systems they had used in the past and which they were using in 2004. Other agencies reported that membranes were cost effective in new construction and especially so in rehabilitation. The concrete slab main deck the layer of mastic and the final concrete bitumen road the mastic is required to bond the final road with the bridge deck. Bridge deck membrane can be applied in temperatures down to 20 f without effect on setup time or curing and can be applied at specified thickness in one continuous application.

The first layer is applied 2 to 3 hours after application of the polyurethane primer primer pu 100 and while the surface is still slightly tacky. Bitunil bridge deck waterproofing system consists of two layers of fully torch welded heavy duty app modified bitumen membranes with composite polyester reinforcement applied on a primed substrate. Rs 20 onwards get latest price the bridge deck waterproofing systems generally consists of 3 main layers viz. For concrete bridge decks under hot poured asphalt system consisting of sika ergodur epoxy overlay and sikalastic liquid applied membrane.

Bridge deck membrane is used as a waterproof membrane with dielectric properties for protection against typical corrosion conditions that exist on many rail and dot structures. In a survey for nchrp synthesis 333. Spray applied waterproofing for highway railroad bridge deck and tunnel structures. The puma technology fosroc matacryl wpm system is specifically designed for waterproofing of bridge decks which will receive an overlayment of asphalt.

Sika solutions for bridge deck waterproofing. During the construction of the main deck dusting is frequently observed due to which the mastic layer has a weak bond. Specializing in the rail and highway markets bridge preservation manufactures high performance spray applied waterproofing membrane systems designed to permanently protect rail and highway structures.