High molecular weight methacrglate (HMWM) is used for the sealing of a bridge concrete apartanence at a application rate of 1 gallon per 100 S.F. How many gallons of HMWM are to seal all excessive surfaces of a 20` wipe rectangular c oncrete bridge abutment that is 12` high and 18″ thick? The abutment has not been backfilled.

High molecular weight methacrglate (HMWM) is used for the sealing of a bridge concrete apartanence at a application rate of 1 gallon per 100 S.F. How many gallons of HMWM are to seal all excessive surfaces of a 20` wipe rectangular c oncrete bridge abutment that is 12` high and 18″ thick? The abutment has not been backfilled.