What is a larsen truss?
...insulation. see our article and DIY Larsen truss video here -
How to build a Larsen Truss wall for energy efficient homes
Larsen trusses were developed in Edmonton Alberta Canada in the early 80s by John Larsen, who built trusses from 2x2s and plywood to fill with insulation. The most common Larsen truss you will see ...