D-Shape Risers

D-Shape Risers

Specialized D-profile risers engineered specifically for curb inlet manholes.

Technical Specifications

materialCast Iron or Ductile Iron

load RatingHeavy Duty Traffic Rated

standard SizesFits standard 24" & 30" D-frames

heights1" to 4"

coatingBituminous Asphalt

Performance Features

Flush curb alignment
No-shift installation
Storm-water optimized