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Polyurea membrane applied in-site for waterproofing bridge decks

Infrastructures
Bridges & Highways; Waterproofing
Road maintenance; High-performance coatings; Application of Concrete Repair/Finishing Mortars; System for heavy-duty vehicular traffic; High-traffic installations

Issues: Cracked and spalled bridge deck. Part of a busy roadway, the bridge deck is in need of repair, but the busy roadway cannot be shut down for an extended period.

Solutions: On-site applied membrane for waterproofing bridge decks. MAPEI’s solution allows for fast-track structural reinforcement and waterproofing for a fast turnaround without removing the structure from service.

Application steps

1
Reinforced concrete structure
2
Cementitious mortar:
Alternative products
Planitop 18 ES
3
Self-leveling polyurethane sealant:
Alternative products
Mapeflex P2 SL
4
Epoxy primer: Primer SN + broadcast of quartz sand
5
Polyurea membrane: Purtop 1000
6
Epoxy primer: Primer SN + broadcast of quartz sand
7
Asphalt
8
Reinforced concrete structure
9
Epoxy primer: Primer SN + broadcast of quartz sand
10
Polyurea membrane: Purtop 1000
11
Non-woven fabric
12
Polyethylene sheet
13
Cementitious mortar:
Alternative products
Planitop 18 ES
14
Concrete structure
15
Water-based primer:
Alternative products
Elastocolor Primer WB
16
Waterproofing coating:
17
Acrylic topcoat:
You may be interested in Road maintenance High-performance coatings Application of Concrete Repair/Finishing Mortars System for heavy-duty vehicular traffic High-traffic installations

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