Installation Guide

21
Projects frames on 2 sides:
L. Using a trowel apply
approximately a 1/2" mortar
bed to the treated curb or
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of 2 blocks.
M. Without applying
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block, place an “L”
spacer at the lower
outside corner of the
block so that the cross
arm is at the bottom, between the glass block
and curb.
N. Place a “T” spacer at the other lower
corner of the block with the
cross arm up.
4M
4L
4N
P. Slip a “T” spacer between the
block and jamb so that the
cross arm is on top of
the block.
O. Slip a 16" long piece of
trimmed expansion strip
between the block and
jamb, and push the block
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4O
4P
Q. Apply 3/8" to 1/2"
of mortar to the
vertical edge of the
second block that
will contact the
preceding block.
R. Place the block
using a “T” spacer
on the bottom and
“REGULAR” spacer at
the top with the cross
arm between the two
blocks. Push the blocks together.
4Q
4R