Wood that is to be patched shall be clean of dust, grease, and loose paint.
Clean mixing equipment shall be used to avoid contamination. Mix and
proportions shall be as directed by the manufacturer. Batches shall be
only large enough to complete the specific job intended. Patching
materials shall be completely cured before painting or reinstallation of
patched pieces.
3.3.5.1
Epoxy Liquid Wood Consolidant
Epoxy liquid wood consolidant shall be used to penetrate and impregnate
deteriorated wood sections to reinforce wood fibers that have become
softened or absorbent.
3.3.5.2
Epoxy Paste
Epoxy paste shall be used to fill areas where portions of wood are missing
such as holes, cracks, gaps, gouges, and other voids. Areas to receive
epoxy paste patching material shall be primed with compatible epoxy liquid
wood consolidant or a primer recommended by the manufacturer.
3.3.6
Wood Replacement
Pieces decayed beyond repair shall be replaced with new pieces that match
originals in all respects. Joinery shall match that of existing. Muntins
shall have coped mortise and tenon joints. Molded members shall have
mitered or coped joints.
3.3.7
Hardware
Existing hardware which is in good condition shall be reused unless
otherwise noted. Reused existing hardware shall be stripped of paint down
to bare metal. New hardware shall be installed where original is missing,
damaged, or unsuitable for new operation, per manufacturer's directions to
provide a secure and smoothly operating window assembly.
3.3.8
Glazing
Lights to be reused shall be reinstalled in their original frames and
positions. Rabbeted integral glazing recesses shall be brushed with boiled
linseed oil prior to the application of bed glazing compound. Broken glass
shall be replaced as specified in Section 08800 GLAZING.
3.3.9
Operating System
Windows with counter-weight systems shall be repaired to original operating
function. Original sash weights (and sash chains, if applicable) shall be
reused wherever possible. Missing weights and sash cords or chains shall
be replaced. Missing or deteriorated sash cords shall be replaced with new
cotton-polypropylene cord rated for sash weight. When new weights are
required, they shall match the originals in weight. Replacement weights
shall be cast iron or square milled steel bar stock.
3.3.10
Weatherstripping and Moldings
Weatherstripping shall be installed on all operable windows.
Weatherstripping shall consist of brass, compression or interlocking
weather strips designed for permanent sealing under bumper or wiper action.
Weatherstripping shall be provided at the perimeter of each sash including
meeting rails and shall be installed per manufacturer's instructions.
SECTION 08590
Page 9
Previous Page
