Why Decks Fail Without Proper Flashing in Maryland & Northern Virginia (2026 Guide)

Posted in: flashing

James Moylan

Friday, May 29, 2026

Deck Flashing in Maryland & Virginia: Prevent Rot

Proper deck flashing is the critical barrier that stops water intrusion and rot in Montgomery County's humid climate and Fairfax County's freeze-thaw cycles. Most homeowners overlook this hidden detail, yet it's the single factor determining whether your deck lasts 30+ years or fails within a decade. Learn what contractors know about protecting your investment.