Wind-driven rain in Rockwall infiltrates via capillary gaps at flashing, unsealed nail heads, lifted shingles

https://andersonihft584.timeforchangecounselling.com/why-local-dfw-multi-family-complexes-fail-commercial-roof-audits-1

Wind-driven rain in Rockwall infiltrates via capillary gaps at flashing, unsealed nail heads, lifted shingles, ridge vents, and wall-to-roof transitions. Pressure differentials push water sideways, masking the true entry point.