#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:

    The device of the node "reduction of valleys" when making the ridge of the dormer window using the double fold technology

   Detailed description of the node:

     In Book 2 " Double-lock standing seam technology. Dormers and skylights"

 The node presented in the photo implemented:

  seminar by Yuri Nushtaev,
 Ukraine, Dnipro