GARRDAL12+ Garrdal retrofit pipe flashing for steep roofs 12/12 and steeper
Use Garrdal 12+ for 12/12 roofs and steeper. The 5th image is a standard Garrdal on a 3/12 slope beside Garrdal12+ on a 14/12 slope. The most common obstacles are electrical wires or vent hoods for HVAC.