CURBS FOR FLAT ROOF
Six different Models of roof curbs are available for various types of flat roofs. There are many different sizes and heights available and can be made of galvanized steel or aluminum. The type of roof will determine what curb should be used. Curbs are available with or without: insulation, liners, damper trays, or finishes. They can be either canted or straight sided curbs. In addition, there are sound curbs available to decrease the noise.
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Straight Sided (Type SF w/ Wood Nailer)
This curb is designed for use on flat roof decks that are covered with insulation. They are mounted directly to the roof deck before the insulation is applied: then roofed and flashed to the top of the wood nailer for weather tightness. Available with insulated or non-insulated curb walls.
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Straight Sided (Type SF w/o Wood Nailer)
This curb is designed for use on non-insulated flat roof decks. They are mounted directly to the roof deck structure then roofed to the vertical surface, and sealed to the 5” flashing flange. Available with insulated or non-insulated curb walls.
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Canted Type (Type CF w/ Wood Nailer)
This curb utilizes an all welded construction and are designed for use on flat, non-insulated roof decks. They are mounted directly to the deck structure, then roofed and flashed to the top of the wood nailer for weather tightness.
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Vented Curbs
Typically used in kitchen applications, where the vents allow hot air and gases to excape between the ductwork and roof curb. This curb is designed for use on non-insulated flat roof decks. They are mounted directly to the roof deck structure, then roofed to the vertical surface, and sealed to the 5” flashing.
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CF-S / SF-S Sound Attenuating Curb
Designed to attenuate fan generated sound. This curb utilized an all welded construction and is designed for use on flat, non-insulated roof. They are mounted directly to the deck structure, then roofed and flashed to the top of the wood nailer for weather tightness.
The SF-S curb (not shown) is designed to attenuate fan generated sound. For use on flat roof decks that are covered with insulation. They are mounted directly to the roof deck before the insulation is applied, then roof and flashed to the top of the wood nailer for weather tightness.
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CURBS FOR PITCHED ROOFS
Five different Models of roof curbs are available for various types of pitched roofs. There are many different sizes and heights available and can be made of galvanized steel or aluminum. The type of roof will determine what curb should be used. Curbs are available with or without: insulation, liners, damper trays, or finishes. In addition, there are sound curbs available to decrease
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SF- Slopemount w/ Wood Nailer
This curb is designed for use on a single pitched sloped roof deck. It is mounted directly to the roof deck before the insulation is applied, then roofed and flashed to the top of the wood nailer for weather tightness
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SF-Ridgemount w/Wood Nailer
This curb is designed for use on the ridge of a roof deck. It is mounted directly to the roof deck before the insulation is applied, then roofed and flashed to the top of the wood nailer for weather tightness.
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SF-Slopemount w/o Nailer
This curb is designed for use on a single pitch of a roof deck. It is mounted directly to the roof deck structure, then roofed to the vertical surface, and sealed to the 5” flashing flange.
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SF-Ridgemount w/o Nailer
This curb is designed for use on the ridge of a roof deck. It is mounted directly to the roof deck structure, then roofed to the vertical surface, and sealed to the 5” flashing
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SF-S Ridgemount Sound Attenuating Curb
(Slopemount available)
This curb is designed to attenuate fan generated sound. For use on the ridge of a roof deck, it is mounted directly to the roof deck before the insulation is applied, then roofed and flashed to the top of the wood nailer for weather tightness.

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