Air Seal Top Plates or Blocking Missing at Top of Walls Adjoining Unconditioned Spaces Description Guide describing how to correctly air seal a wall with missing top plates or open wall cavities.
Ducts in Dropped Ceilings Description Guide describing method for installing ducts in a duct chase above a dropped ceiling.
Hip Roof vs Gable Roof Description Guide describing the advantages and disadvantages of gable roof and hip roofs and how both designs react under high wind loads.
Lateral Bracing in Gable End Walls Description Guide describing how to brace gable end walls to resist wind pressures.