It seems the Achilles Heel of most factory built metal flues is the design and failure of their rain cap. Problems encountered in the field are thin metal construction of low grade stainless alloys, galvanized metal parts, spot welding of key fastening points that fail quickly, restricted flow design that ventilates poorly and builds accumulations of soot. Sleepy Hollow is proud to offer our design to accommodate both solid pack
and air insulated metal flues. Featuring the most erodynamic venting design and the thickest, strongest construction averaging 4-5 lbs. heavier than competing models.