The Solfit top flashing screws are being changed from 25mm screw and neoprene washer to a stainless screw with neoprene washer. 

To calculate the number of Ejot stainless steel screws required for the top flashing, simply replace the number of neoprene washers with the attached Ejot screws.

Properties:

• Stainless steel sealing washer
• Pre-assembled sealing washer
• Non-skid application 
• Fastening without swarf
• Low profile dome head
• Available in powder coated 
• Can be used in conjunction with S12 stainless / EPDM vulcanised washers
• Secondary fastener

Technical specifications 

• Drive: Torx 25
• Stitching 2 x 0.5mm up to 2 x 1.0mm in thickness
• Material: A2 stainless with innovative point geometry.