3.1.8
Tooling
After initial set of mortar, tool exposed joints and compress with a
rounded jointer. Finished surface of joint shall be slightly concave,
smooth, and non-porous.
3.1.9
Packing and Sealing
After final set of mortar, provide packing in space between glass block
panel head, jamb and intermediate support construction and seal with
sealant specified in Section 07920 JOINT SEALANTS.
3.2
CLEANING
3.2.1
Protection
Protect work which may be damaged, stained, or discolored during cleaning
operations.
3.2.2
Pointing
Upon completion of glass block work, cut out defective mortar joints and
tuck point joints solidly with mortar.
3.2.3
Cleaning
Remove excess mortar from glass block with damp cloth or sponge before set
occurs. Clean exposed surfaces with clear water and stiff fiber brushes,
and rinse with clear water. Where stains, mortar, or other soil remain,
continue cleaning with warm water and soap. Do not use abrasive cleaners
(steel wool, wire brush) or acids in conjunction with removing mortar or
dirt from the glass block faces. Restore damaged, stained, or discolored
work to original condition or provide new work.
-- End of Section --
SECTION 04270
Page 9