Products / Pre-Built Aluminum Curb for Solar Attic Fans

A pre-built 20.75 by 20.75 inch curb, 4 or 6 inches high, for mounting Natural Light curb-mount solar attic fans (SAF32CM, SAF48CM, SAF65CM, SAF35LPCM). Built from .062 inch extruded aluminum with welded corners, a spruce wood interior and a 4 inch predrilled nailing flange, finished in black satin, bronze gloss or mill finish.