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Engineered with a precise single-box frog indentation on the upper bedding face, the Single Box Seal Brick allows mortar to lock tightly into the unit. This creates an unbeatable mechanical bond across wall masonry joints, significantly improving earthquake shear resistance and reducing joint cracking over time.
| Size | 230 × 110 × 75 mm (9 × 4.25 × 3 inches) |
| Weight | 3.2 kg / unit |
| Perforation | Single Box Frog Indent (Optimized Mortar Keying) |
| Transport & Unloading | Fortra |
Watch the high-temperature kiln firing process and compression laboratory testing for the Single Box Seal Brick.
