Back to Techo-Bloc Home TECHO-BLOC Blu 60mm Slated Aged Color Swatches Available Shale Gray Sandlewood Champlain Grey Chestnut Brown Laying Pattern Modular One Modular Two Linear Shapes & Sizes Technical Specifications Sizes Included13 x 6 ½13 x 13 13 x 19 ½ SPEC SHEET INSTALLATION GUIDE WARRANTY Gallery