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The Guide addresses walls constructed with 2x4 wood frame studs, wood structural panel (WSP) sheathing as wall bracing and added backing for foam sheathing, a layer of rigid foam sheathing insulation up to 1.5 in. thick over the WSP, and a cladding system installed over the foam sheathing in low...

Article describing how omission of two small but critical wall details, a kick-out flashing and a weep screed, lead to extensive water damage to a wall.

Article describing the evolution of the IRC to permit class 3 vapor retarders (latex paint) in walls coupled with exterior continuous insulation to allow drying and reduce condensation risk.

A presentation about the need for rainscreens including the damage water and moisture ingress into a home’s siding and framing can cause, and ways to design a resilient wall that drains and ventilates well.