Transcript Waterproofing - PowerPoint Presentation

Bemalastic 1213
Bridge Deck Membrane
Bridge Deck Waterproofing
Bridge Preparation
After sandblasting,
Waterproofing primer applied
Which system one ply/two ply

One ply is generally used on MTO bridges in
Ontario. The application is 5 mm thick Bemalastic
1213 and MTO approved 1/8 inch Protection
Board.
 Two Ply is generally used on the Superelevated
bridges and in Toronto where the fabric
reinforcement Reemay is sandwiched between two
layers of Bemalastic 1213 approximately 2.5 mm
thick each. Then the hot material layer is covered
with protection board as above.
Typical Single Ply Application
Bemalastic 1213 applied
5 mm thick on the deck
Protection Board being
applied into the hot rubber
Ready to pave
Typical 2 ply system
application
Other Waterproofing