Keystone Garden Wall®

Keystone Garden Wall® - Tri-plane

A do-it-yourself retaining wall tradition, Keystone Garden Wall is perfect for landscape walls up to 2-feet (60cm) in height as well as tree rings, edging, raised gardens and borders. Utilizing the rear-lip alignment method, Garden Wall easily builds straight, curved or terraced walls to fit the contours of your yard. Keystone Garden Wall is known as Arbor Stone or Castle Wall in some markets.

Click an image to view full gallery

Unit Specifications

Height Width Depth Weight
4" 12" 9" 29 lbs
102mm 305mm 229mm 13 kg

Unit color, dimensions, weight & availability varies by manufacturer.


Use this chart to estimate the number of Keystone Garden Wall® - Tri-plane units you will need.

WALL LENGTH (measured at wall face including curves)
WALL HEIGHT*5' (1.5m)10' (3.0m)15' (4.6m)20' (6.1m)30' (9.1m)
1 course510152030
2 courses1020304060
3 courses1530456090
4 courses20406080120
5 courses255075100150
6 courses306090120180
*Please Note: Maximum wall height not to exceed 2' (60cm). This chart is based on site conditions which include a level grade, granular soil and no surcharge.