Keystone Retaining Walls

A do-it-yourself retaining wall tradition, Keystone Garden Wall is perfect for landscape walls up to 2' (60cm) high as well as tree rings, patio, lawn or sidewalk edging, and garden or flowerbed borders. Utilizing the rear-lip alignment method, Garden Wall easily builds straight, curved or terraced walls to fit the contours of your yard. No special tools are required.

Keystone Garden Wall
is also known as Castle Wall
in certain areas of the country.

	tri-plane	straight
height	4"	4"
width	12"	12"
depth	9"	8"
weight	29 lbs	29 lbs

Product size, weight, color and product
availability varies by location.
Please contact your local manufacture
for up to date product information.

Use this guide for estimating the number of Keystone Garden Wall units required.

WALL HEIGHT*	WALL LENGTH (measured at wall face including curves)
WALL HEIGHT*	5'	10'	15'	20'	25'	30'
4" (1 course)	5	10	15	20	25	30
8" (2 courses)	10	20	30	40	50	60
12" (3 courses)	15	30	45	60	75	90
16" (4 courses)	20	40	60	80	100	120
20" (5 courses)	25	50	75	100	125	150
24" (6 courses)	30	60	90	120	150	180
28" (7 courses)	35	70	105	140	175	210
32" (8 courses)	40	80	120	160	200	240
36" (9 courses)	45	90	135	180	225	270

*Please Note:
Maximum wall height not to exceed 3'. This chart is based on site conditions which include
a level grade, granular soil and no surcharge. Contact Keystone Retaining Wall Systems for
design options on wall heights exceeding 3'.

STEP 1 | Prepare the site.

STEP 2 | Set the base course.

STEP 3 | Stack and fill.

Start by digging a shallow trench 4" deep by 12" wide. Cut through and remove any sod, roots or large rocks. For organic loam soils, dig 4" deeper and add a leveling pad of sand or gravel. Compact and level the soil to receive the first course of Keystone Garden Wall.

Place and level the first Keystone Garden Wall unit. Level each additional unit on the base course as you place it,making sure that the outside edges touch. If your wall contains both straight and curved areas, start with a straight area and build into the curves. Complete the base course before proceeding to the second course.

Starting with straight areas first, begin placing the second course. Center each Keystone Garden Wall unit on the seams of the course below in a running bond pattern as shown. Now proceed to the next layer, backfilling as you go. For drainage behind the wall, clean gravel or crushed stone is recommended.

Remove Lugs: To remove outside lugs or edges of retaining lip, hold unit securely or place at angle on ground. Strike the lug firmly with a hammer. Cutting the units may also be necessary to keep the them on bond. Always wear safety glasses to protect eyes from chips.

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