Option 1 – Where the insulation is flush with the gutter edge

** Ensure the roof sheet overhangs the insulation by 70mm further than the finished edge of the gutter liner to prevent capillary action **

** This method can also be used if the insulation overhangs the gutter by 40mm or less **

• Fit the liner to the full profile of the gutter
• Turn back the liner onto the underside of the roof sheet
• Using Sharmans fixings, mechanically fix a 30mm x 30mm galvanised angle flashing at 500mm centres