3.01 PREPARATION
A. Verify that pocket recesses or chases provided under other sections are accurately located and sized.
B. Establish and protect lines, levels and coursing.

3.02 INSTALLATION
A. Arrange coursing pattern to provide consistent joint work throughout.
B. Locate and secure perimeter metal chase.
C. Coat sill under units with asphalt emulsion as a bond breaker.
D. Mortar joints must be solid. Furrowing not permitted. Neatly tool surface to a concave joint.
E. Place panel reinforcing in horizontal joint above first course of block and not more than 18" o.c. for Standard Series, every other course for Thinline Series and every course for Fire Stop Series. Panel anchors if used shall be installed in the same joints as reinforcing.
F. Isolate panel from adjacent construction on sides and top with expansion strips. Keep expansion joint voids clear of mortar.
G. Maintain uniform joint width of 1/4" ±1/8".
H. Maximum variation from plane of unit to next unit - 1/32".
I. Maximum variation of panel from plane - 1/16".
J. Do not use retempered mortar.
K. Do not tap glass block with steel tools.
L. When mortar has set, pack backer rod in jamb and head channels. Recess to allow for sealant.
M. Apply sealant.

3.03 CLEANING
A. Remove excess mortar from glass surfaces with a damp cloth before set occurs.
B. Number 4 steel wool can be used to remove remaining mortar.

WARRANTIES AND REMEDIES - LIMITATIONS