Insulation - For knock-down & standard fully welded curbs,
insulation will be 1.5" x 3# density rigid foil faced insulation
on the interior of the curb. Plenum curbs that require a
cleaner air stream can be insulated with foil faced insulation
and joints sealed with foil tape.
Internal Liners - For applications where clean air is
paramount, 1.5" x 3# foil faced insulated is used in conjunction
with a 20ga galvanized steel liner. Other liner materials
available.
Coatings - A wide variety of coatings and colors are
available.
Decorative coatings are available in many different colors.
Protective coatings are available to provide a selection for
most environments.
Security bars - For preventing unlawful entry. The bars
consist of 1/2 inch diameter A-36 mild steel, welded 6 inches
apart.
Duct support kits
Solid bottom plenum curbs
Side Discharge applications - please indicated on drawing
location and size of opening
Filter
racks
Acoustical sound absorbing inserts
Spring Vibration Isolation
Single and compound roof pitches
Metal Building Standing Seam roofing systems - please
provide rib dimensions
Seismic construction with/without PE stamp
Multi-zone adaptor systems