This roof curb adapter includes 12¼"-20 tinnerman speed nut, 12¼"-20 x ¾ bolts, and is made of steel. It measures 5 inch height. This roof curb adapter also has a galvanized finish.
Technical Specs
ItemRoof Curb Adapter
For Fan Base Size33 1/2 in
MaterialSteel
Curb Side Width30 in
FinishGalvanized
Includes(12) 1/4"-20 Tinnerman Speed Nut, (12) 1/4"-20 x 3/4 Bolts
Number of Fasteners per side3
Top Flange Height2 1/2 in
Adapter TypeReducer
For Curb Size30 in
For Fan TypeDownblast Fans, Filtered Supply Fans, Upblast Fans
Fan Side Width33 1/2 in
FunctionAdapts 34 in Fan Base to Fit 30 in Roof Curb
Metal Material Thickness18 ga
Overall Height5 in
Country of OriginUnited States
(subject to change)