No industry standards for the use of silicone in glass
block basement or bathroom windows.
Entry has been gained through siliconed glass block windows
by the use of box cutters and utility knives
There is a huge descrepancy between the quality of the
silicone products being used.
Masonry
Unit definitions, according to the
2006 International Residential Code, pg. 16
MASONRY
UNIT
Brick, tile, stone, glass block or
concrete block conforming to the requirements specified in Section
2103 of the International Building Code.
CLAY
A building unit larger in size than a brick,
composed of burned clay, shale, fire clasy or mixtures thereof.
CONCRETE
A building unite or block larger in size than
12 inches by 4 inches (305 mm by 102 mm by 102 mm) made of cement
and suitable aggregates.
GLASS
Nonload-bearing masonry composed of glass units
bonded by mortar.
HOLLOW
A masonry unit whose net chross-sectional area
in any plane parallel to the loadbearing surface is less than
75 percent of its gross cross-sectional area measured in the
same plane.
SOLID
A masonry unit whose net cross-sectional area
in every plane parallel to the loadbearing surface is 75 percent
or more of its cross-sectional area measured in the same plane.
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