WATERSEAL is a spray applied waterproofing for tunnel lining.
It is either "sandwiched" between concrete/shotcrete
layers or left on the surface.
The excellent bond strength combined with flexible set times
and high elongation make ST Waterseal the most versatile waterproofing
A two-component system applied at room temperature is modified
to give initial set (tack time) from thirty seconds and up to
a curing time of sixty minutes, plus or minus.
or toxic vapors
strength of 600psi, elongation of 500%
from -20oF to 120oF (-28.8 to 48.9oC)
to attack from most chemicals
For more about ST Waterseal, please request information here.