4" x 18" Rain Trench Grate (Heel Proof)
4" x 18" Rain Trench Grate (Heel Proof) - Raw is backordered and will ship as soon as it is back in stock.
4" x 18" Rain Trench Grate (Heel Proof) - Raw is backordered and will ship as soon as it is back in stock.
- Dimensions: 4.09" x 17.88" x .75"
- Drain Manufacturer: NDS®
- Fits: NDS® Spee-D Channel
- Material: Cast Ductile Iron
- Finish Options: Raw / Baked On Oil Finish
- Weight lb(s): 8
- Free Drain Area: 12.75%
- Gallons Per Minute (GPM): 12.22
- Recycled Content: 80%
- ADA Compliant: Yes
- Copyright Registration No.: Pending
What is Heel-Proof?
A “Heel-Proof” design requires a smaller maximum opening of only 1/4″. While that offers a more suitable surface for walking on in high-heeled shoes, “Heel-Proof” can quickly become “Drain-Proof”.

