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Keystone Half Century Wall Keystone Half Century Wall
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Half Century Wall Brochure
50/50 Design Pattern (pdf)
50/50 Design Pattern (dwg)
35/65 Design Pattern (pdf)
35/65 Design Pattern (dwg)
30/70 Design Pattern (pdf)
30/70 Design Pattern (dwg)
4" Details(pdf)
4" Details (dwg)
Keystone Half Century Wall Keystone Half Century Wall

Keystone's Half Century Wall offers the distinctive appearance and character of a random-pattern, natural stone wall with the strucural integrity, performance, and environmental friendliness of concrete. When combined with the original Keystone Century WallTM, the three different-sized Keystone Half Century units give the appearance of classic, hand-crafted stone, yet make it fast and almost effortless to create visually stunning and heavy-duty wall structures. The Keystone Half Century is perfect for residential, commercial, industrial, and institutional applications. Keystone Half Century is also easy to install and utilizes a unique, patented fiberglass pin connection method for added structural integrity and performance. Offering a quaint, old-world appearance while providing superior strength Keystone Half Century can rise to great heights with appropriate engineering.

The three different-size Keystone Half Century Wall units give the look of classic, hand-crafted stone, yet make it fast and almost effortless to create visually stunning and heavyduty wall structures. The 4" Keystone Half Century Wall can be combined with 8" Keystone Century WallŪ units or used on its own for almost any application. Offering the design freedom to create curves, 90° corners, battered and near-vertical walls, terraces and more, Keystone Half Century creates limitless design possibilities.

Keystone Half Century is also easy to install and utilizes the Keystone patented fiberglass pin connection method for added structural integrity and performance. The open-core design of the Keystone Half Century units allows for additional facial stability and interlocking capacity. Offering a quaint, old-world appearance while providing superior strength, Keystone Half Century offers a unique structural retaining wall option.

Availablity based on quantity ordered.


Keystone Century Wall Large Unit
4"H x 18"W x 12"D
(100 x 450 x 300 mm)
46 lbs. (21 kg)
Keystone Century Wall Medium Unit
4"H x 11"W x 12"D
(100 x 280 x 300 m)
29 lbs (13 kg)
Keystone Century Wall Small Unit
4"H x 7"W x 12"D
(100 x 180 x 300 m)
37 lbs (17 kg)
Keystone Century Wall Cap Unit
4"H x 14"W x 12"D
(100 x 280 x 300 m)
30 lbs (14 kg)
Keystone Pins Fiberglass Pins
1/2" x 5 1/4" (13 x 133 mm)
Flexural Strength
128,000 psi (822 kpa)
Tensil Strength
111,000 psi (758 kPa)
Short Beam Shear Strength
6,400 psi (44kPa)

Keystone Century Wall
*For walls over 3 feet in height, soil reinforcement is generally necessary. A qualified engineer should be consulted before design and analysis of structures.


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Premier Concrete Products, Inc. | 38200 LA HWY 16 | Denham Springs, LA 70706
225-667-4545 (phone) | 800-575-7293