Learn the parts of your Pella door.

A. Frame

The framework that surrounds and supports the entire door system.

B. Frame Corner Construction

Wood frame corners are sealed and mechanically fastened three ways—with a mortise-and-tendon joint, a sealant and a metal fastener—for exceptional strength and performance.

C. Pella Unit ID

Pella products include a special idetification number. On your entry door, the Pella Unit ID Number is on the top hinge.

D. Steel Deadbolt Reinforcement Plate

Provides added security by reinforcing the deadbolt and strengthening the door frame (single in-swing doors only).

E. Optional Multipoint Locking System

Features three dual-action deadbolts that extend into the door frame when engaged for added security.

F. Sill/Threshold

The bottom of the frame that rests on the floor.

G. Door Sweep

Energy-efficient and weather-resistant weatherstripping system at the bottom of the door forms a seal against air and water infiltration between the door and the sill.

H. Weatherstripping System

Bulb-and-leaf or foam compression weatherstripping systems helps prevent air and water infiltration.

More Parts

Decorative Glass

Individual pieces of clear, textured or beveled glass in a pattern held together by metal strips called caming; inside the door panel, sidelight or transom.

Aluminum clad

Exterior wood parts covered with extruded aluminum, with a factory-applied finish to deter the elements.


An inert, nontoxic gas used in insulating glass units to reduce heat transfer.


An astragal is a vertical molding that closes the clearance gap between a pair of hinged doors.


Metal parts of the glass design. Metal options include lead, brass, copper, zinc (silver), or patina (black).


A wooden trim around doors that covers seam between jamb and wall.

Cylinder Bore

Refers to a machining procedure that requires a round hole to accommodate a standard entry set.

Door bumper

Placed on wall behind door, bumpers prevent scratching, denting and general damage to door by cushioning or deflecting impact.

Door roller

Located on the bottom of a sliding door, they give the door the ability to slide.

Fixed panel

An inoperable panel of a sliding glass door. Also known as passive door panel.

Flush bolt

Bolts mounted in a door to lock a door in place. They are primarily used on double doors where one door is locked in place and the other door is the one mainly used (active door).


A type of door-securing bolt that is applied at the bottom of a door, and is designed for foot operation.


The framework that surrounds and supports the entire door system.


The combination of the head, jambs and sill that forms a precise opening in which a window sash fits.

Insulated Foam Core

An insulation material inside the door panel that contributes to the door's energy efficiency (fiberglass and steel doors only).


An upright frame member of a panel in a sliding glass door which engages with a corresponding member in an adjacent panel when the door is closed.

Keylock cylinder

The cylindrical subassembly of a lock containing a cylinder plug with keyway and a cylinder body with tumbler mechanisms.

Multipoint lock

A locking system, operated with one handle, that secures a window or door at two or more locking points.


When the door swings to the outside of the house when opened.


The part that swings open and closed — the door itself.


The fixed glass panels that are attached on either side of the door frame.


The bottom of the frame that rests on the floor.

Sill track

The track provided at the sill of a sliding glass door.


(See strike plate)

Strike plate

A metal plate affixed to a door jamb with a hole or holes for the bolt of the door. When the door is closed, the bolt extends into the hole in the strike plate, and holds the door closed. The strike plate protects the jamb against friction from the bolt, and increases security in the case of a jamb made of a softer material (such as wood) than the strike plate.


The member that lies at the bottom of a sliding glass door or swinging door; the sill of a doorway.


The component that projects or retracts a dead bolt or latch bolt by grasping with the thumb and fingers and turning. Also called a "turnkey."


The fixed glass panel that is installed above the door.


A strip of resilient material for covering the joint between the door panel and frame in order to reduce air leaks and prevent water from entering the structure.

Weep Holes

The individual openings provided in the sill to allow water or condensation to escape.

Weep System

A series of tiny openings in the sill that allow unwanted moisture to drain to the outside.

Hinged glass panel

The roomside glass panel on Designer Series® windows and patio doors that opens to allow access to our snap-in between-the-glass blinds, shades, decorative panels and grilles.

Dust pads

Small, cloth-like pads used to seal the gap at the corner of a window or door.


Rubber strips applied to the top and sides of doors, and into double-hung and sliding window channels, to seal out air and water.

Mortise and Tenon Joint

A joint where one piece of wood is inserted into the other.

Blocking Resistance

The capability of a paint, when applied to two surfaces that touch, not to stick to itself.


A shim is a thin and often tapered or wedged piece of material, used to fill small gaps or spaces between objects.