continue shingling up roof. Lap lower part of flange over shingles.
Overlap flange with side and upper shingles. Fit shingles around pipe, and
embed in 2 mm 1/16 inch thick coating of asphalt roof cement where shingles
overlay flange.
[3.3.7.4
Chimney Flashing
**************************************************************************
NOTE: Delete this paragraph unless a chimney is
indicated on the project drawings. Coordinate with
Sections 06100NA, and 07600NA, to ensure that
crickets and metal chimney flashing are specified.
**************************************************************************
Provide treated wood crickets as specified in Section 06100 ROUGH
CARPENTRY. Provide metal base and counterflashing as specified in Section
07600 FLASHING AND SHEET METAL. Uniformly coat masonry surfaces which are
to receive flashing with asphalt primer applied at rate of 4 liters per 10
square meters one gallon per 100 square feet. Apply shingles over
underlayment up to front face of chimney. Apply metal front base flashing
with lower section extending at least 100 mm 4 inches over shingles. Set
base flashing in a 2 mm 1/16 inch coating of asphalt roof cement on
shingles and chimney face. Apply metal step flashing at sides in a coating
of asphalt roof cement. Embed end shingles in each course that overlaps
step flashing with asphalt roof cement. Apply metal rear base flashing
over cricket and back of chimney in coating of asphalt roof cement. Apply
end shingles in each course up to cricket, and cement in place. Lap base
flashing minimum of 75 mm 3 inches with metal counterflashing.
]
-- End of Section --
SECTION 07311
Page 16
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