one or a combination of the following methods:
a.
Paint the dissimilar metal with one coat of heavy-bodied
bituminous paint.
b.
Apply a good quality elastomeric sealant between the aluminum and
the dissimilar metal.
c.
Paint the dissimilar metal with one coat of primer and one coat of
aluminum paint.
d.
Use a nonabsorptive tape or gasket in permanently dry locations.
3.2.2
Drainage from Dissimilar Metals
In locations where drainage from dissimilar metals has direct contact with
aluminum, provide protective paint, to prevent aluminum discoloration.
3.2.3
Masonry and Concrete
Provide aluminum surfaces in contact with mortar, concrete, or other
masonry materials with one coat of heavy-bodied bituminous paint.
3.2.4
Wood or Other Absorptive Materials
Provide aluminum surfaces in contact with absorptive materials subject to
frequent moisture, and aluminum surfaces in contact with treated wood, with
two coats of aluminum paint or one coat of heavy-bodied bituminous paint.
In lieu of painting the aluminum, the Contractor shall have the option of
painting the wood or other absorptive surface with two coats of aluminum
paint and sealing the joints with elastomeric sealant.
3.3
CLEANING
Upon completion of installation, clean door and frame surfaces in
accordance with door manufacturer's recommended procedure. Do not use
abrasive, caustic, or acid cleaning agents.
3.4
PROTECTION
Protect doors and frames from damage and from contamination by other
materials such as cement mortar. Prior to completion and acceptance of the
work, restore damaged doors and frames to original condition, or replace
with new ones.
-- End of Section --
SECTION 08120
Page 12
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