31.5″ square x 20″ tall Roof Curb
31.5″ square x 20″ high flat curb for upblast exhaust fans:
- Made from 20 gauge, aluminized steel
- 3″ continuous flashing
- Vented
- The proper curb size is 1.5″ smaller than your fan base to allow the installation of hinges.
NOTE: This is a custom product and cannot be returned or exchanged. Please measure carefully.
Free Ground Shipping to Contiguous United States. Canada, Hawaii, and Alaska Excluded
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