#Knots_from_the_book_on_the_roof. From sketch to implementation

This section presents some of the components described in the literature from the "Double-lock standing seam technology" series and implemented by metal roofers.

 Node name:

    "New"  Finnish seam

   Detailed description of the node:

    From Book 1 "Double-lock standing seam technology. Pipes and penetrations"

Chapter 4: "Forming the connection of parts using a lying double seam. Finnish and Swedish nodes"
Section "General principles for the formation of the connection of the parts of the abutment "in Finnish"

   The node presented in the photo implemented:

   Ray Haas,
USA