Spacers are differentiated in relation to the size of the joints, the thickness of the glass blocks and the type of wall (linear or curved).
The range available today consists of:

*Spacer for 10 mm joints and 8 cm thick glass blocks;
*Spacer for 10 mm joints and 5 cm thick glass blocks;
*Spacer for 16 mm joints and 8 cm thick glass blocks;
*Spacer for curved walls and 8 cm thick glass blocks.