Selkirk 5" x 8" Adjustable Roof Flashing (Direct-Temp Gas)Selkirk 5" x 8" Adjustable Roof Flashing Used to seal the opening where the Direct Temp pipe penetrates the roof at 0 12 to 6 12 pitch. Used to seal the opening where the Direct Temp pipe penetrates the roof at 6 12 to 12 12 pitch. Direct Temp Gas The latest Direct Vent Gas Fireplace Venting technology listed for use with a wide variety of appliances. Direct Temp features a 304 Stainless Steel inner liner providing exceptional corrosion resistance for