Chapter 3 Flashcards
Door Categories
- Exterior
- Interior
Exterior Doors
- Weather resistance is an important criteria
- Solid entrance doors, doors with glass, screen doors, vehicular doors, revolving doors. Most common are swinging doors
Interior Doors
Passage of sound and fire are important criteria
Door Operations
-Swinging, bifold, accordion, sliding, overhead, coiling, pivoting, revolving
Door Classifications
- Doors for interior use can serve one or more of the following functions
- Control passage
- Provide visual privacy
- Provide sound privacy
- Provide security
- Provide fire & smoke resistance
- Provide light control
- Provide radiation shielding
- Serve a decorative function
Types of Doors
- Swinging Doors
- Slidig Dors
- Folding Doors
- Special Doors
Swing Doors
- Easy/convenient operation
- Simple installation
- Can be fire-rated
- Can accommodate many people
- Variations: hinged door, pivoted door, balanced door
- hinged, pivot, balaced, double acting
Sliding Doors
- Used when space is tight
- Poor choice for frequent use; awkward to open/close
- Cannot be used as exit doors
- Difficult to seal against light/sound
- pocket, bi-pass, surface
Folding Doors
- Used when space is tight
- Cannot be used as exit doors
- bi-fold, accordion
Special Doors
- For large opening
- cannot be used as exit doors
- expensive
- operable partition, overhead coiling, revolving
Fire- Rated Doors
A fire-door assembly is defined as a door assembly that has been tested by an independent laboratory to determine that it is capable of withstanding a measured temperature without failing for a specific length of time.
- Assembly consists of door, frame, and hardware used on door and frame
- Classification stated in hours or minutes
20-minute rated door in 1-hour rated corridor, ¾-hour rated door in 1-hour exit passageway or 1-hour partition, and 1-1/2-hour in 2-hour exit enclosure most common
- Rated assemblies must be labeled
- Permanent identifying mark attached to door/frame
- Must not be removed or painted over during in construction
- 48x96in dimension
Wood Doors
- Stile-and-rail doors
- Flush doors
- Solid core of wood blocks
- Composite materials
- Hollow core for interior uses in residential
- Louvered doors
- Sash doors
- Multiple glass panels, sim. To stile-and-rail doors
- Glass doors
- Single pane of glass
Hollow Metal Doors
- Light-gauge steel doors, called hollow metal doors, are most common type of metal door assemblies
- Aluminum, stainless steel, and bronze also used
Four Levels of Hollow Metal Doors
Level I – standard duty
Level II – heavy duty
Level III – extra heavy duty
Level IV – maximum duty
3 Models of Hollow Metal doors
Model 1 – full flush (visible seam)
Model 2 – seamless
Model 3 – stile & rail
