M2
UBC 1994 versions of Building, Fire,
Weepholes mostly spaced in 100 mm
Mechanical, and Plumbing will have SI.
sizes. (ex, 600)
UL Many UL standards contain SI units.
Architectural / Carpet
Architecural / Block
Most firms have the dies and can or
do make metric tile. It is usually
Hard metric block has 12.5 block per
not stocked. Minimum orders go from
m2.
no minimum to several hundred square
meters. Most said as industry goes
Metric block has been installed on US
metric, minimums would drop and
projects.
premiums would shrink or be
eliminated.
Standard mortar joint for brick and
block is 10 mm.
Most common sizes are 500 x 500 and
600 x 600.
Sizes:
90, 140, 190 thick, 190 x 390
face
Our projects are now specifying hard
metric tile sizes.
Some metric block are being supplied
using molds borrowed from sources that
Architectural / Ceiling Systems
already owned them, eliminating mold
purchase costs.
Many design and construction
projects, both renovation and new
See other national policy on this
construction, are using the 600 x
issue.
600 system.
Architectural / Brick
Many facilities with 2 x 2 grids are
not adversely affected by use of new
75 modular metric per m2, 50 metric
600 x 600 grids, since coordination
jumbo per m2.
between grids, window mullions, and
other architectural elements is
BIA says most member firms can supply
often not maintained through years
metric brick. Metric brick has been
of renovation.
used on US projects.
With hard metric ceilings, room
Metric modular is most common:
dimensions can be multiples of 600
90 x 57 x 190
mm, giving clean, rounded dimensions
Jumbo brick is also popular:
to construction personnel for
90 x 90 x 190
layout.
Three modular courses with 10 mm joints
Architectural / Doors
rounds to 200 mm. Two jumbo courses
equals 200.
A popular size is 900 x 2100,
especially in interior partitions.
Brick should be specified in metric
1000 x 2100 is sometimes being used.
whether ASTM C216 or ASTM C62 / AASHTO
M114 is used.
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