Објављен
This document specifies requirements for the properties of glass blocks used for the construction of non-load-bearing walls and horizontally spanning panels. This document also specifies test methods used to verify these properties for square, rectangular and circular glass blocks.
ПОВУЧЕН
ISO 21690:2006
ОБЈАВЉЕН
ISO 21690:2021
60.60
Стандард објављен
16. 11. 2021.