PowerPoint ® Presentation

Unit 59 Interior Doors and Hardware

Interior Door Styles • Finishing Door Openings • Fitting and Installing Doors • Specialty Doors • Metal Door Units • Door Locks • Hinges • Other Door Hardware

An interior door unit includes a doorjamb, stops, and a casing.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

Recessed doorjambs are popular with some building designs.

Unit 59 — Interior Doors and Hardware

One type of hollow-core door has a hardwood frame and a cellular core, which is covered by veneer, hardboard, or vinyl face panels. A lock block is located where the door lock hole will be drilled.

Unit 59 — Interior Doors and Hardware

Solid-core doors may have a particleboard or staggeredblock core.

Unit 59 — Interior Doors and Hardware

A fire door has a fire-resistant mineral core.

Unit 59 — Interior Doors and Hardware

Panel doors consist of rails, stiles, and panels.

Unit 59 — Interior Doors and Hardware

Panels may be arranged in various ways to provide different appearances.

On panel doors, stiles and rails are solid pieces or laminated layers. Panels may be plain or raised. Raised panels are 3/4  plywood tapered at the ends to fit into the grooves of the frame. Plain panels are usually 1/4  thick plywood.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

Solid-core flush doors may be routed out to provide the effect of panel doors.

Unit 59 — Interior Doors and Hardware

Plank doors give the appearance of beveled planks extending from the top to bottom rail, with a horizontal piece placed at lock level.

Unit 59 — Interior Doors and Hardware

A typical doorjamb assembly includes a head jamb and two side jambs.

Two typical jamb designs are the rabbeted jamb and loose-stop jamb.

Unit 59 — Interior Doors and Hardware

Head and side jamb lengths must be calculated properly so the doorjamb fits in the rough opening.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

A carpenter’s level, straightedge with stand-off blocks at the ends, and framing square are required when installing a doorjamb.

Unit 59 — Interior Doors and Hardware

Door stops may be mitered or butted. The top stop is always installed first.

Unit 59 — Interior Doors and Hardware

A notched 2  4 and shims can serve as a door holder for fitting and installation operations.

Unit 59 — Interior Doors and Hardware

With the door in the opening, check the sides and top to see where the door may need to be fitted.

Unit 59 — Interior Doors and Hardware

The inside edge of the lock side of the door should be beveled approximately 3 ° to prevent the inside edge from scraping against the doorjamb as the door is closed.

Unit 59 — Interior Doors and Hardware

Hinge size is identified by its leaf length. Hollow-core doors use two hinges. Heavier solid-core exterior doors require three hinges.

The hinge pin of loose-pin hinges can be removed to allow the door to be taken out of the frame.

Unit 59 — Interior Doors and Hardware

Hinge leaves must project from the door and doorjamb by at least one-half the casing thickness.

Unit 59 — Interior Doors and Hardware

The door and jamb are marked at the same time when laying out the hinges. In this example, the upper hinge is 7  from the top of the door and the lower hinge is 11  from the bottom of the door.

Unit 59 — Interior Doors and Hardware

The hinge outline is marked with a sharp knife.

Unit 59 — Interior Doors and Hardware

A butt gauge is used to assist in hinge layout. Cutter A is adjusted to the width of the hinge gain. Cutter B is adjusted to the gain depth.

Unit 59 — Interior Doors and Hardware

A butt marker is used for hinge layout. The hinge outline and gain depth are marked in the door and doorjamb when the butt marker is hit with a hammer.

Unit 59 — Interior Doors and Hardware

A butt chisel is used to mortise the gain. The hinge should rest flush with the surface.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

When a door is hung, line up the leaves of the door and jamb. Push the leaves together and replace the pin.

Unit 59 — Interior Doors and Hardware

The clearance between the hinge side of the door and doorjamb is adjusted by placing a thin cardboard strip behind the leaf fastened to the doorjamb or door.

Several measurements and observations must be made to determine door fit problems.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

A hinge-mortising template and a router are used to mortise the door edge and doorjamb for hinges.

The doorjamb of a nonadjustable prehung door unit is designed for only one wall thickness.

Unit 59 — Interior Doors and Hardware

The doorjamb of an adjustable prehung door unit can accommodate different wall thicknesses. The loose stop is installed after the door is installed.

Unit 59 — Interior Doors and Hardware

When selecting a nonadjustable prehung door unit, ensure the doorjamb width matches the wall thickness.

Unit 59 — Interior Doors and Hardware

Adjustable (split-jamb) prehung door units are installed in two sections.

Unit 59 — Interior Doors and Hardware

A pocket sliding (recessed) door frame is set in place when the wall is framed. The frames may be wood or metal. The doors are installed later.

Unit 59 — Interior Doors and Hardware

Bypass sliding doors are suspended from tracks with roller hangers.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

Bi-fold doors are secured next to the jambs with pivot pins and brackets. The second door is hinged to the first door. A roller guide on the second door glides in an overhead track.

Multifolding, or accordion, doors fold against the door jambs.

Unit 59 — Interior Doors and Hardware

Steel door frames are commonly used in commercial construction. A typical steel door frame is made of 16-ga hot-dipped galvanized steel. Note the recessed areas for the hinges and the lock strike plate.

Unit 59 — Interior Doors and Hardware

When installing a metal door frame, one side jamb is first installed, followed by the head and other side jamb. The jambs slip over the applied gypsum board.

Unit 59 — Interior Doors and Hardware

The type of door frame determines the type of fastener required to secure the frame in the door opening.

Unit 59 — Interior Doors and Hardware

The face of a flush steel door is made of 20-ga steel. Pieces of 12-ga steel reinforce sections where the lock and hinges are to be installed. The holes are drilled and tapped to receive flathead machine screws.

Unit 59 — Interior Doors and Hardware

The door hand is the direction in which a door swings. Always face the outside of a door when determining the door hand.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

For a cylindrical lockset, the cylinder is located within the knob. The cylinder contains the tumbler mechanism in which the key fits. Locks are operated with a knob or lever.

On a grip-handle lock, the cylinder is separate from the knob.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

The strike plate is mortised into the side jamb.

A deadbolt latch provides greater security than a spring latch.

Unit 59 — Interior Doors and Hardware

When a manufacturer template is not provided, a carpenter must lay out and bore holes for a cylindrical lockset.

Unit 59 — Interior Doors and Hardware

If the strike plate is laid out and installed accurately, the door will be flush with the edge of the jamb when the latch engages the strike plate.

Unit 59 — Interior Doors and Hardware

Mortised locks provide greater security than cylindrical or tubular locks.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

A deep mortise must be created for a mortised lockset.

Deadbolts greatly increase the security of an entrance door.

Unit 59 — Interior Doors and Hardware

High-security locks combine the features of a cylindrical lockset and a deadbolt.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

Loose-pin, fixed-pin, and ball bearing hinges are commonly installed on swinging doors.

A self-closing spring hinge is often installed on doors in public buildings.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

A double-acting floor hinge allows the door to swing in two directions. The top of the door is held in place by a pivot piece attached to the door, which fits into a pivot socket mortised into the doorjamb. The bottom of the door is notched to receive the hinge, which is fastened to the floor with a floor plate.

Concealed hinges are mortised into the door and doorjamb. No parts of the hinge can be seen when the door is closed.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

Flush and surface door bolts hold the inactive door of a pair of double doors in a stationary position.

Unit 59 — Interior Doors and Hardware

Door closers are operated by hydraulic spring action. Various types of door closers are available.

Unit 59 — Interior Doors and Hardware

Exit devices are mounted on doors of public buildings. Slight pressure on the touch bar will retract the latch bolts, allowing the doors to be opened.

A door holder keeps a door in an open position.

Unit 59 — Interior Doors and Hardware

A door stop prevents a door from bumping against a wall.

Unit 59 — Interior Doors and Hardware

Unit 59 — Interior Doors and Hardware

Push plates and kick plates are usually installed on commercial doors.

Unit 59 — Interior Doors and Hardware

Pulls are mortised into sliding doors to provide a finger hold for opening and closing the doors.