Cornerstone Retaining Wall Series


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CornerStone is designed for use in gravity retaining wall structures and mechanically stabilized, geogrid-reinforced soil retaining systems. The 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.

Weights are as follows:
Corner Unit – 110 lbs
F-100 Cap – 110 lbs
F-100 Unit – 83 lbs
F-50 Cap – 110 lbs
F-50 Straight-Side Cap – 110 lbs

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Additional information

Weight 109.999646 lbs
Dimensions 1 × 1 × 1 in

Corner Unit (8x18x9), F-100 Cap (8x18x12), F-100 Unit (8x18x12), F-50 Cap (4x18x12), F-50 Straight-Side Cap (4x18x12)


Gray, Summit Blend


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

Local delivery is available for shipments between 1000 lbs and 50,000 lbs within a distance of 25 miles. Review product descriptions for specific product weights.

For deliveries, please allow up to 4 business days.

Note: Mutual Materials cannot split-ship items in a single transaction.

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