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Suggested Specifications
Surfaire
®
T-Bar Diffusers
Furnish and install Hart & Cooley SurfAire
®
insulated ceiling
diffusers as shown on the plans. The diffuser shall be a 2'x2' T-Bar
lay-in. Face shall be stucco embossed aluminum with off-white
baked enamel finish for ceiling esthetics, corrosion protection and
ease of cleaning. Face will have formed deflector apertures which
distribute air in thin layers along the ceiling surface and which
provide for optimum dispersion in one, two, three, four-way and two-
way corner patterns.
Back panel shall be formed galvanized steel covered with glass
fiber insulation and an aluminum foil vapor barrier. Insulation is held
securely in place by face margin edge fold over. Insulation will be
prescored to accept specified collar sizes.
5400 Series collars will be supplied providing efficient, tight
attachment with bayonet fasteners to mating prepunched holes in
back panel. Collars will provide flex duct locking tabs and damper
mounting slots. Collar damper slots provide for damper attachment
of removal at any time.
3800 Series fully adjustable butterfly dampers shall be supplied (if
specified). Damper adjustment handle is inserted before or after
damper is mounted and is removable at any time.
Perforated InsulatedT-Bar Diffusers and
Return Grilles
Contractor shall furnish and install Hart & Cooley PDS perforated
diffuser or PDSD perforated diffuser with deflectors as indicated on
the plans. Perforated diffusers shall be 2'x2' T-Bar lay-in. Exposed
face will have a minimum 51% free area and be coated with off-
white baked enamel finish. Deflectors (if specified) shall be fully
adjustable externally providing one, two, three, four-way and two-
way corner air diffusion capability.
Back panel shall be black pre-coated formed steel covered with
glass fiber insulation and an aluminum foil vapor barrier. Insulation
is held securely in place by face margin edge fold over. Insulation is
prescored to accept specified collar sizes.
5400 Series collars will be supplied providing efficient, tight
attachment with bayonet fasteners to mating pre-punched holes in
back panel. Collars will provide flex duct locking tabs and damper
mounting slots. Collar damper slots provide for damper attachment
or removal at any time.
3800 Series fully adjustable butterfly dampers shall be supplied (if
specified). Damper adjustment handle is inserted before or after
damper is mounted and is removable at any time.
Matching Hart & Cooley PDR perforated return air grilles shall be
furnished according to the plans.
Removable Face PerforatedT-Bar Diffusers
and Return Grilles
Contractor shall furnish and install Hart & Cooley RFPS series
perforated diffusers as indicated on the plans. Exposed face will be
of a removable hinged style with a minimum 51% free area and be
coated with white baked enamel finish. Deflectors are to be the
patented directable deflector to ensure proper adjustable air
deflection. Back panel shall be black pre-coated formed steel to
minimize sight into diffuser.
5400 Series collars will be supplied providing efficient, tight
attachment with bayonet fasteners to mating pre-punched holes in
back panel. Collars will provide flex duct locking tabs and amper
mounting slots. Collar damper slots provide for damper attachment
or removal at any time.
3800 Series fully adjustable butterfly dampers shall be supplied (if
specified). Damper adjustment handle is inserted before or after
damper is mounted and is removable at any time.
Matching Hart & Cooley RFPR perforated return air grilles shall be
furnished according to the plans.
HighVolume SupplyT-Bar Diffuser
Contractor shall furnish and install Hart & Cooley HVS high volume
supply 2'x2' T-Bar lay-in diffuser as shown on the plans. This
diffuser will consist of a formed back panel and three stepdown
formed elements, all made of heavy gauge steel. Finish shall be an
off-white baked enamel. Interior air diffusion elements are easily
removable at any time without tools for access to damper control
rod. The air diffusion pattern shall be a full 360°.
The back panel shall be fully insulated with fiberglass having an
aluminum foil vapor barrier. Insulation is held rigidly in place with
adhesive and will be prescored to accept specified collar sizes.
5400 Series collars will be supplied providing efficient, tight
attachment with bayonet fasteners to mating pre-punched holes in
back panel. Collars will provide flex duct locking tabs and amper
mounting slots. Collar damper slots provide for damper attachment
or removal at any time.
3800 Series fully adjustable butterfly dampers shall be supplied (if
specified). Damper adjustment handle is inserted before or after
damper is mounted and is removable at any time.
Fixed PatternT-Bar Diffuser
Contractor shall furnish and install Hart & Cooley FPD fixed pattern
diffuser 2’x2’ T-Bar lay-in as shown on the plans. This diffuser will
consist of a formed back panel and two stepdown formed elements,
all made of heavy gauge steel. Finish shall be an off-white baked
enamel. Interior air diffusion elements are easily removable at any
time without tools for access to damper or neck. The air diffusion
pattern shall be a full 360°.
3800 Series fully adjustable butterfly dampers shall be supplied (if
specified) and can be adjustable through the face.
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Suggested Specifications