What is the most cost effective way to build a rain screen wall assembly?
...reclaimed barn wood over 1/4" drywall, 2x4 stud wall 24" o.c. w/ rockwool insulation in cavity, 7/16" sheathing, 2" EPS Rigid Insulation, water-resistive barriers (WRB), vertical firring strips 24" o.c., 1/8" gapped 1"x6" reclaimed barn wood horizontal cladding. We would really like to make recycled material we have a...