Jem

Average Size: 222 x 70 x 140

Strength: Up to 25 Mpa

Bricks used per m2: 52 Jems vs. 104 Imperials (single skin vs. double skin)

Savings per m2 in relation to imperial:

Brick Cost: 55{2be9874cbef5b6f21f6033e75244310aadcf59137c0bc5052264ca6af8d6dd18}

Labour: 38{2be9874cbef5b6f21f6033e75244310aadcf59137c0bc5052264ca6af8d6dd18}

Mortar: 58{2be9874cbef5b6f21f6033e75244310aadcf59137c0bc5052264ca6af8d6dd18}