Which elements are essential in a specimen specification for interior doors?

• A. Material, core, finish, fire rating, acoustical rating, hinge type, hardware set, locksets, door/frame schedule, and installation tolerances
• B. Color of paint only
• C. Door price and lead time
• D. Brand name and warranty only

Answer: (A)

A specimen specification for interior doors must define both performance criteria and how the door fits into the building, so the doors meet required standards and install correctly. Material and core determine strength, durability, and how the door behaves over time. Finish specifies the protective coating and appearance. Fire rating and acoustical rating set the door’s performance against code requirements and sound control needs. Hinge type, hardware set, and locksets ensure proper operation and compatibility with the frame and wall assemblies. A door/frame schedule coordinates the door with the surrounding openings, while installation tolerances account for real-world variations in walls, floors, and framing to ensure a proper fit and smooth operation. Color alone doesn’t address performance or fit, and price, lead time, brand, or warranty cover procurement or marketing aspects rather than the door’s functional criteria.