3.8.2
Floors
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NOTE: Second sentence will be deleted for projects
where the use of tile is limited to small areas or
long narrow corridors or where chemical resistant
grouts are used.
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Expansion joints shall be provided over construction joints, control
joints, and expansion joints in concrete slabs. Expansion joints shall be
provided where tile abuts restraining surfaces such as perimeter walls,
curbs and columns and at intervals of 7.2 to 10.8 m 24 to 36 feet each way
in large interior floor areas and 3.6 to 4.8 m 12 to 16 feet each way in
large exterior areas or areas exposed to direct sunlight or moisture.
Expansion joints shall extend through setting-beds and fill.
3.9
CLEANING AND PROTECTING
Upon completion, tile surfaces shall be thoroughly cleaned in accordance
with manufacturer's approved cleaning instructions. Acid shall not be used
for cleaning glazed tile. Floor tile with resinous grout or with factory
mixed grout shall be cleaned in accordance with instructions of the grout
manufacturer. After the grout has set, tile wall surfaces shall be given a
protective coat of a noncorrosive soap or other approved method of
protection. Tiled floor areas shall be covered with building paper before
foot traffic is permitted over the finished tile floors. Board walkways
shall be laid on tiled floors that are to be continuously used as
passageways by workmen. Damaged or defective tiles shall be replaced.
-- End of Section --
SECTION 09310
Page 17
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