Following the lateral lines with the chain saw, creates a v- shaped cutout to house the lower log on the wall.

 

 

 

 

 

 

 

 

 

 

 

 

 

With an adze this lateral trough gets a more roundet shape.

 

 

 

 

 

 

 

 

 

This trough gets filled with insulation and a foam tape to prevent drafts.

 

 

 

 

 

 

 

 

 

 

 

A good fit - the result after a long days work.