feasible to match the historic fabric should
substitute window material be considered.
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2.1
MATERIALS
Existing materials shall be reused whenever possible in the repair and
rehabilitation of historic wood windows. This includes all wood elements,
hardware and glazing that are determined to be of historic significance.
Replacement of window elements with new material shall be done only when
originals are so deteriorated as to prohibit their useful function.
2.2
WOOD
Wood used to replace deteriorated window members shall be of the same
species and grade as the original, unless otherwise noted. Finger-jointed
stock may be used for interior casing and trim only where scheduled to be
painted.
2.3
GLASS AND GLAZING
Existing intact original glass shall be reused. Any removed lights shall
be reused in their original frames and positions. New glass and glazing
materials shall conform to Section 08800 GLAZING.
2.4
HARDWARE
Existing original hardware shall be reused, when it is salvageable.
Replacement hardware shall match original in design, material, and finish.
2.5
FASTENERS
Fasteners shall be stainless steel, galvanized, or non-ferrous metal.
2.6
GLAZING COMPOUND
Glazing compound for single pane glass shall be oil-based, non-staining and
non-bleeding, and shall pass the test requirements of ASTM C 742. Existing
insulated glass units shall be reglazed with silicone sealant complying
with ASTM C 1184 and shall be compatible with the unit seal on the glass
unit.
2.7
GLAZING POINTS
Glazing points shall be stainless steel or galvanized steel.
2.8
EPOXY CONSOLIDANTS
2.8.1
Liquid Consolidant
Liquid wood consolidant shall consist of a two-part, low-viscosity liquid
epoxy that meets the criteria of Table A.
2.8.2
Epoxy Paste
Epoxy paste shall consist of a two-part, thixotropic paste that meets the
criteria of Table A.
SECTION 08590
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