Placement of the measurement points for wall thickness measurements according RI-ZFP-TU
The measurement grid consists of circumferential lines with 3.20 m length in the area of the soffit and four longer lines at the block ends beginning at 9 o'clock and ending at 3 o'clock. The distance of the first and last line to the block joints amounts 20 cm. The distance between the lines must not exceed 80 cm.