Labels:fence | house | person | plant | roof | sky | tree OCR: number OT things can be done to reduce ice damming and its effects They include super- insulated attics or roof assemblies increa ised attic ventil lation, cold roof design, and when all else fails-- retrofit heat tracing seen here Although heat tracing may not completely eliminate the icing will provide channels through the ice that allow water drain eliminating the hydrostatic pressure that damming can create increased ventilation damminc
