The Keystone Standard Unit is an American original. What started the industry is still the industry leader. Its height-to-depth ratio delivers a structurally sound, engineered wall system with superior construction stability, durability, and strength. The choice for tall walls and critical structures.
Rockface & RockfaceII Standard Units (18” Depth)
Dimensions: 18”W x 18”L x 8”H
Weight: 102 lbs.
Rockface & RockfaceII Standard Units (21” Depth)
Dimensions: 18”W x 21 ½ ”L x 8”H
Weight: 115 lbs.
Straight Face Units (18” Depth)
Dimensions: 18”W x 18”L x 8”H
Weight: 108 lbs.
Straight Face Units (21” Depth)
Dimensions: 18”W x 21 ½ ”L x 8”H
Weight: 125 lbs.
Dimensions: 18”W x 10 ½ ”L x 4”H
Weight: 45 lbs.
Dimensions: 18”W x 10 ½ ”L x 4”H
Weight: 50 lbs.






















