Sigma Wallstone System

Cambridge Sigma Wall System

Create clean, modern outdoor spaces with Cambridge Sigma Wall Systems featuring ArmorTec®. Sigma is ideal for retaining walls, seating walls, columns, and outdoor features with a sleek architectural look.

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Featured Products

Sigma 8 Classic Split Face

Sigma 8 Plus Smooth Corner

Sigma 8 Plus Corner Split Face

Sigma 8 Classic Corner Split Face

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Sigma 6 Classic Split Face Cambridge wall stone for retaining walls seating walls and outdoor living features

Sigma 6 Classic Split Face – Sigma Collection

Cambridge Single-Sided Large Classic Caps S/F

Cambridge Single-Sided Large Classic Caps S/F

Column Kit Plus Split Face Sigma Collection

Column Kit Plus Split Face Sigma Collection

Cambridge Single-Sided Large Plus Caps S/F 13x18

Cambridge Single-Sided Large Plus Caps S/F 13x18

Sigma 8 Plus Smooth Corner

Sigma 8 Plus Smooth Corner

Sigma 8 Smooth Wall Plus

Sigma 8 Smooth Wall Plus

Sigma 8 Classic Split Face Cambridge wall system for retaining walls and outdoor living designs

Sigma 8 Classic Split Face

Sigma 8 Plus Corner Split Face Cambridge wall system corner unit for retaining walls and outdoor designs

Sigma 8 Plus Corner Split Face

Sigma 8 Plus Split Face

Sigma 8 Plus Split Face

Sigma 8 Classic Corner Split Face

Sigma 8 Classic Corner Split Face

Sigma 6 Plus Split Face Wall

Sigma 6 Plus Split Face Wall