CORNERSTONE CORNER UNITS
CornerStone is designed for use in either gravity retaining wall structures or mechanically stabilized, geogrid-reinforced soil retaining systems. CornerStone’s lug design, wedged shape and two-inch lateral allowance in the interlock, make it possible to design 90° and 45° inside or outside corners. Sold by the individual piece.
* Available for store pickup or local delivery only Monday - Friday 7:00 am - 4:00 pm, not available for shipment via parcel.
Check out our COVID-19 page for updated hours of operation for your local branch.
To see project photos using CornerStone, download a technical information, or use our product estimator to see how many pieces you will need for your project, click the links below.
Orders are processed Monday-Friday during business hours.
For branch pickups, please allow 24-48 hours for your order to be ready. Store hours vary by branch location and season, you can view all branches and hours here https://www.mutualmaterials.com/branches/.
For deliveries, please allow up to 4 business days.
NOTE: These are the main datasheets for this product line, includling all sizes and colors plus installation instructions. Some sizes and colors included in this document may not be not be available for online purchase.
CORNERSTONE CLASSIC DATASHEET
Technical specifications, sizes, colors