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STANDARD TWO FOOT FLUES NOMINAL SIZE EFF. NET AREA WEIGHT NO. PER PALLET 8.5"x8.5" 49 sq.in. 36# 72 8.5"x13" 76 sq.in. 50# 60 8.5"x18" 102 sq.in. 70# 24 13"x13" 127 sq.in. 66# 40 13"x18" 173 sq.in. 99# 24 18"x18" 233 sq.in. 141# 18 MODULAR TWO FOOT FLUES NOMINAL SIZE EFF. NET AREA WEIGHT NO. PER PALLET 8"x8" 42 sq.in. 30# 72 8"x12" 67 sq.in. 41# 60 12"x12" 102 sq.in. 52# 40 12"x16" 131 sq.in. 82# 32 16"x16" 181 sq.in. 109# 24 16"x20" 222 sq.in. 142# 18 20"x20" 298 sq.in. 202# 12 20"x24" 335 sq.in. 241# 12 24"x24" 431 sq.in. 275# 12

More complete table of rectangular and round flues, tees and flue rings
Flue Sizing Explained
Other Products by Superior Clay Corporation

Components
Buckley Rumford Fireplaces
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