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Exterior and structure

Check windows and exterior doors for water, damage, and unwanted drafts

Worn weatherstripping, failed joints, damaged glass, or water at a sill can waste heating and cooling and can also point to a drainage or flashing problem that simple caulk will not fix.

Homeowner guidance with clear stop points

When it usually needs attention

Ongoing home-care habit

Respond to a new draft, closure problem, condensation, leak, damage, or seasonal comfort change; material, climate, warranty, and exact product instructions control repair timing and method.

When this guide applies

Applies to the occupied home's accessible windows and exterior doors; shared-building components remain the manager or association's responsibility.

What to do

Operate only the windows and doors normally assigned to the household, note new drafts, loose hardware, failed closure, damaged glass, wet sills, peeling finish, or staining, and route the cause before choosing a sealant or weatherstrip.

Applies when: Applies to the occupied home's accessible windows and exterior doors; shared-building components remain the manager or association's responsibility.

Who should handle it: Residents may clean tracks and replace documented user weatherstripping when authorized; glazing, flashing, rot, egress, security, accessibility, shared exterior, and concealed water repair belong to the responsible owner and qualified trade.

Tools

  • Flashlight
  • Phone camera
  • Manufacturer instructions for the exact window, door, lock, weatherstrip, or finish

Parts and supplies

  • Soft cloth
  • Only compatible weatherstrip or sealant after the joint and water path are correctly identified

Safety gear

  • Household gloves for ordinary track debris
  • Eye protection required by any approved product label

Before you start

  • Confirm emergency egress and accessibility cannot be blocked
  • Determine whether water is entering from the opening, wall, roof, condensation, or plumbing before sealing

Power, water, or fuel shutoffs

  • Secure a door or window that cannot close or lock
  • Keep away from wet electrical controls, motorized shades, or powered doors

Cleaner or chemical limits

Do not mix cleaners or apply bleach, solvent, abrasive, lubricant, expanding foam, caulk, paint, or degreaser to an unknown finish, gasket, weep, lock, insulated glass, or wet joint.

Stop and get help when

  • Stop for broken or loose glass, fall exposure, jammed egress, failed security, rot or structural movement, hidden water, widespread mold-like growth, lead-paint risk, or access requiring a ladder
  • Do not seal a drainage weep, combustion-air opening, or required egress gap

Who to call: Use the responsible owner plus qualified window, door, glazing, building-envelope, accessibility, security, moisture, or lead-safe service for diagnosis and repair.

Reviewed sources