Installation Guide

21
G. Apply two 1/4” beads of sealant to the top of the row of blocks
just behind the raised edges.
H. Place a horizontal spacer with anchors installed on top of
the first row of blocks. If more than one section of horizontal
spacer is required, be sure to lay them end to end with the joint
directly above a vertical spacer. Stagger these joints on each
following row.
I. Remove any excess sealant. If necessary, adjust the size of the
sealant beads to prevent squeeze out on the following rows. The
joint areas must be kept clean of sealant.
J. Install the remaining rows of glass blocks, spacers, and anchors.
Check each row for alignment.
Note: Walls attached at only two or three sides may be “exible” until they are
grouted.
4H
4 I
4 J