Building Construction I Sofia Sebastian 1 Doors Building Construction I Sofia Sebastian 1

Building Construction I Sofia Sebastian 2 Doors A door is a movable barrier that separates internal and external spaces Usually attached to a frame on one side by hinges A door provides access, protection, security and privacy Performance standards of doors Weather resistant – need a min gap of 2mm for free movement Security – depend on the materials used. Internal doors need to provide minimum security Fire resistance – internal doors made of materials that prevent the rapid spread of fire. Heavy enough to be self closing Sound insulation Privacy Operation Durability Building Construction I Sofia Sebastian 2

Building Construction I Sofia Sebastian 3 Parts of a standard Door Cill – horizontal base at the base of an external door Frame – a solid timber or metal structure fixed to the wall so that it supports the door weight and forms a seal when the door closes. Head – horizontal piece at the top of the frame Jamb – the vertical part of the frame that is fixed to the wall Stile – the outer vertical piece of the door frame The purpose of door frames is to define openings Reduce the gap between the door and wall Provide finish between the door and wall Building Construction I Sofia Sebastian 3

Building Construction I Sofia Sebastian 4 Door construction Ledged, Braced and Battened door Framed, Braced and Battened door Flush door Paneled door Building Construction I Sofia Sebastian 4

Building Construction I Sofia Sebastian 5 Door construction Ledged, Braced and Battened door Very simple door for internal or external use, which is cheap to make Tongued, grooved jointed battens measuring 100x10 mm form the surface of the door Horizontal pieces called ledges measuring 100x25 mm Diagonal pieces called braces measuring 100x25 mm. Braces should be fixed so that they slope away from the hinges Building Construction I Sofia Sebastian 5

Building Construction I Sofia Sebastian 6 Door construction Framed, Braced and Battened door This door is stronger than the ledged, braced and battened because the battens are set inside a timber frame Battens form the surface of the door A frame with a head rail, bottom rail and two stiles A ledge Braces Building Construction I Sofia Sebastian 6

Building Construction I Sofia Sebastian 7 Door construction Flush doors have no projections or recesses on either surface of the door. These doors are usually made of large sheets of plywood or hard board. Flush doors may have glazed panels to allow in some light Flush door A core is the inner part of the door. The external boards or sheets of plywood are fixed to it. The core can be made from A soft wood frame work of horizontal and vertical pieces joined together in recessed joints A cellular centre of paper or cardboard strips glued together in a lattice pattern A solid centre of timber strips glued together. – very heavy door with good sound insulation – external and fire doors Building Construction I Sofia Sebastian 7

Building Construction I Sofia Sebastian 8 Door construction Construction of a Flush door Frame for a flush door Facing and edging of a flush door Finishing for a flush door Building Construction I Sofia Sebastian 8

Building Construction I Sofia Sebastian 9 Door construction Flush door An alternative core using a cardboard lattice Building Construction I Sofia Sebastian 9

Building Construction I Sofia Sebastian 10 Door construction Panelled door Panelled doors are suitable for external and internal use They are made from solid timber frames with solid or glazed panels Intermediate rails – cross pieces that divide the door into panels Muntins – central vertical pieces Bottom rail – bottom horizontal framing piece Panels – filling between the framing pieces The parts of a panelled door Building Construction I Sofia Sebastian 10

Building Construction I Sofia Sebastian 11 Door construction Panelled door The panels can be Thin, solid timber 6 mm plywood Clear or obscure glass The panels are usually fitted into rebates in the frames and screwed or nailed into piece This method allows you to remove and replace panels, including glass panels Building Construction I Sofia Sebastian 11

Building Construction I Sofia Sebastian 12 Door construction Strap hinge Iron mongery Basic door iron mongery consists of hinges, locks and latches Parts of a butt hinge Spring operated latch Dead lock operated by a key Lock and latch in one unit Building Construction I Sofia Sebastian 12

Building Construction I Sofia Sebastian 13 Examples of standard door locks and handles Lever handle Door bolt Pull handle Building Construction I Sofia Sebastian 13

Building Construction I Sofia Sebastian 14 Different types of wooden joints Butt joint Lap joint Housing joint Building Construction I Sofia Sebastian 14

Building Construction I Sofia Sebastian 15 Different types of wooden joints Mortise and Tenon joint Mitre joint Building Construction I Sofia Sebastian 15

Building Construction I Sofia Sebastian 16 Different types of wooden joints Finger joint Dove-tail joint Building Construction I Sofia Sebastian 16