The Door and Access Systems Manufacturer's Association

Overhead Door

  • Door panels: No damage, separation, or sagging;
  • Pivot arm connection at same level as top rollers;
  • Stable operation up and down.
  • Signs of weathering/age (cracks, peeled paint)


  • All portions stable
  • Good condition


  • Bearing type, not plastic (2yr. lifespan for plastic).


  • Extension springs have containment cable;
  • Door stays in place when manually disconnected and partially opened;
  • Securely attached to wall.

Automatic Opener

  • Automatic opener operable;
  • Manual disconnect operable;
  • Stable when operating
  • Less than 12 years old (typical lifespan)

Automatic  Reverse

  • Passes 2x4 test (operates satisfactorily);
  • Photo sensor functional;
  • Photo sensor within 6 inches of floor.
  • Computer controlled or manual adjust

Note: the 2x4 test is controversial but is the method formally recommended by the Door and Access Systems Manufacturer's Association (DASMA, Garage Door Inspection Checklist).

Also check the Garage Door Labels, as well as the  16 CFR Part 1211 - SAFETY STANDARD FOR AUTOMATIC RESIDENTIAL GARAGE DOOR OPERATORS


  • Located at least 5 feet above walking surface (including stair treads);
  • Located away from moving parts.

Conventional Door to the Exterior

  • Operation;
  • Hardware condition;
  • Door condition.

Conventional Door to the Living Space

  • Operation;
  • Hardware condition;
  • Door condition;
  • Handrail if 4 risers or more;

Fire Separation (R309.2)


  • Minimum ½ inch drywall on garage side;
  • Drywall must have joints taped;
  • Extends from floor to roof, or floor to fire separation compliant ceiling;
  • Penetrations of metal only;
  • Attic access hatch must comply with wall requirements.
  • 20-minute fire-rated (attached garage only):
    • Solid wood 1⅜inch (35 mm) minimum;
    • Steel door 1⅜inch (35 mm) minimum;
  • No pet doors;
  • Doors with glass: glass must be fire rated.


  • Ceiling with living space above: ⅝-inch type X drywall;


  • Non-combustible
  • Sloped