Required tools and hardware

Required hardware

• #10 2 1/2” and 3 1/2” flat head screws
• Low expansion urethane foam (1 can per 10 blocks)
• Wood strapping
• 1/2” OSB or plywood board
• 2” insulation foam
• Air barrier
• LVL Beams – If you have 7’+ window frames

Required tools

• Chainsaw
• Level
• Foam applicator
• Drill