Division 8 - Doors and Windows

• Doors & Windows


  Division 08
• This section applies to both interior and exterior applications
• Hollow metal doors


  • Designed and specified for areas of heavy use and potential abuse
  • Commercial heavy-duty hollow metal frames should be utilized regardless of whether the door is hollow metal, glass, or wood
• Door


  A hinged, sliding or folding barrier of wood, metal or glass for opening and closing an entrance to a building, room or cabinet
• Types of door orientation

  • Hand
  • Right Hand
  • Left Hand
  • Right Hand Reverse
  • Left Hand Reverse
• Lock Stile


  The stile of a door that closes against the frame of the opening. Also called shutting stile.
• Hinge Stile


  The stile of a door by which it is hung. Also called hanging stile.
• Top Rail


  The uppermost rail connecting the stiles of a paneled door or window sash.
• Bottom Rail


  The lowest rail connecting the stiles of a paneled door or window sash.
• Lock Rail


  The rail of a door that meets the shutting stile at the level of the lockset.
• Muntin


  A stile within the frame of a door.
• Door Head


  The upper horizontal frame that encloses a door leaf.
• Door Jamb


  The vertical member on either side of a door frame, window frame or door lining.
• Transom Window


  The window over a paneled door.
• Transom Head


  The horizontal frame above the transom which it encloses and parallel to the top rail.
• General requirements for doors and frames

  • Specified as commercial heavy-duty quality
  • Minimum door thickness of 1-3/4" thick
• Interior door requirements


  • Comply with SD1-100, Grade II, heavy-duty, minimum 16 gauge faces

  
• Exterior door requirements


  • Comply with SD1-100, Grade III, extra heavy-duty, minimum 16 gauge faces
  • Have thresholds, closures, weatherstripping, and padded stops
  • Glazed openings limited to less than 60% glass area
  • At least one section have an electric automatic door opener

  
• Steel door designs


  • Flush door
  • Glass door
  • Vision door
  • Narrow light door
  • Full-louvered door
  • Vision/louvered door

  
• Steel door finishes


  • Primed or galvanized for painting
  • Baked enamel paint
  • Vinyl clad
  • Stainless steel or aluminum skins in polished or textured finish
• Steel door construction


  Hollow metal doors have face sheets of 16 to 22-gauge steel bonded to a steel channel frame and reinforced with channels, a kraft honeycomb structure, or a rigid plastic-foam core
• Steel fire doors


  • Maximum door size of 4' x 10'
  • Door frame and hardware must have a fire-resistance rating similar to the door
  • Door must be self-latching and equipped with closers
• Types of steel frames

  • Standard double rabbet frames
  • Single rabbet frame
• Endangered or limited tree species are not allowable for wood door veneers
• Doors receiving painted finishes should be limited to low-cost species (birch, maple, etc.)
• Welded hollow metal frames should be utilized for wood doors
• Doors used as part of an acoustical barrier assembly shall be rated a minimum of STC 33
• Doors receiving a stained finish shall be specified as having premium quality face veneers, minimum thickness 1/16"
• Doors used as a normal means of ingress and egress shall have either vision panels or adjacent sidelights (where allowable by code) in metal frames
• Doors shall have a minimum of 3 heavy-duty type hinges per door
• Doors and frames shall have a spray-applied finish where specified
• All doors subject to heavy traffic shall have kickplates on both sides
• Wood flush door designs

  • Flush door
  • Flush door with glass inserts
  • Flush door with louvered inserts

  
• Hollow core flush doors

  Have a framework of stiles and rails encasing an expanded honeycomb core of corrugated fiberboard or a grid of interlocking horizontal and vertical wood strips
• Solid core flush doors

  Have a core of bonded lumber blocks, particleboard, or mineral composition
• Wood framed construction


  Have a frame of rail and stile lumber covered with veneer of manufactured boards
• Wood panel (rail and stile) door designs

  • Panel door
  • Panel door with sash
  • Louvered panel door
  • French door
  • French door with divided lights

  
• Batten doors


  Consist of vertical board sheathing nailed at right angles to cross strips or ledgers. Diagonal bracing is nailed between and notched into the ledgers.
• Types of special doors

  • Swinging doors
  • Bypass sliding doors
  • Surface sliding doors
  • Pocket sliding doors
  • Folding doors
• Types of overhead and coiling doors

  • Overhead doors
  • Coiling doors