Water Coming Under Exterior Door When It Rains: Diagnosis
Learn how to diagnose and address rainwater coming under your exterior door by isolating sweeps, threshold seals, sill flashing, and exterior drainage.
Category: Door Problems
Practical guides for diagnosing patio and entry door alignment, rubbing, sealing, hardware, and operation problems before adjustment, repair, or replacement.
Diagnosing Drafts and Visible Daylight Around Exterior Doors
Isolate daylight gaps and air drafts around exterior entry doors using a location-first diagnostic sequence covering hinges, sweeps, weatherstripping, and rough openings.
Why a Hinged Patio Door Rubs the Frame or Sill
Map where a hinged patio door rubs, compare the reveals, and distinguish adjustment, loose hardware, seal interference, and frame movement before changing hinges.