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Week 8 – Constructing Environment Logbook

E-Learning Doors and Windows are important elements in the design of building facades. The purpose of door is to allow people to enter or exit the building. To build a door you need to consider the Door Type, Door Hardware and Door Operation. The material to build a door can be timber and steel.

(The green window company) This is an example of a steel door. It could be light weighted, very stiff, but expensive. Steel door have a shiny surface and looks fresh in the exterior. Steel is also great for impact protection, and is good in security protection.

(The green window company) This is an example of a timber door. A timber door is heavy to move and transport, but timber door have a better appearance compared with steel door. The components of doors: •

Door Stop (to avoid wind from going inside, such as weathertight seal)

Door Head/Jamb (is covered by architrave)

Door Leaf (The main component of the door)

Handle, Latch and Lock

Windows which affects not only the physical appearance of a building, but also the natural lighting, ventilation view potential, and spatial quality of the building’s interior spaces. The benefit of window frames could have low thermal conductivity to interrupt the flow of heat. For example, double


Week 8 – Constructing Environment Logbook

glazing or triple glazing window is a good example of insulation of heat for buildings. The material to build a window can be steel and timber.

(MinidiaMart) Steel window is strong and durable and it is enough to support thick glass. And it can be maintain for a few years. Not only that, steel can be handled easily during transportation and construct. Steel window can be shaped easily on site as well.

(FinishCarpentry.com) Wood frames windows are thicker and steel frame windows, but they are also more effective as thermal insulators. To maintain the appearance of the window, the wood may be painted, stained, or primed on site.


Week 8 – Constructing Environment Logbook

(InspectApedia, 2009) The picture on the left represents a detailed version of a window structure.


Week 8 – Constructing Environment Logbook

The picture above is a sketched version of both window and door with a timber frame system. Which the picture is taken from the quiz in week 9 tutorial class and includes annotated of names of different part.

The components of windows: •

Window head (is the uppermost member of a window frame)

Window Sill (is the horizontal member beneath a door or window opening, having an upper surface sloped to shed rainwater)

Window Jamb

Subsill (is an additional still fitted to a window frame to cause rainwater to drop farther away from a wall surface.

Glazing systems Is two pieces of glass setting together and leave a gap between the two windows. The use of glazing system can dramatically insulates high or low temperature from the environment outside. There are different types of glazing system such as face glazing, wet glazing, dry glazing and structural glazing. Face glazing has small panes may be set in a rabbeted frame, held in place with glazier’s points, and sealed with a bevelled bead of putty or glazing compound. Wet glazing is the setting of glass in a window frame with glazing tape or a liquid sealant. Dry glazing is the setting of glass in a window frame with a compression gasket instead of glazing tape or a liquid sealant.

Materials Glass is a common material to build window. Most of the glass is made from silica (which can be called as a former, a basic element to produce glass). Not only former, Fluxes must be added into former to melt at a lower temperature. And lastly, stabilizer is added into the mixture in order to keep the finished glass from dissolving or crumbling.

Properties of glass •

Density – Medium-High

Conductivity – Transmit only heat but no electricity


Week 8 – Constructing Environment Logbook

Permeability – Water Proof

Hardness – High

Fragility – High

Ductility – Very Low

Plasticity/Flexibility – Very High Flexibility/Plasticity when in molten state but not in solid state

Durability – Very High

Sustainability – Very Sustainable

Cost – Expensive to produce and transport

Reusability – Very High

Glossary Window Sash – a framework that holds the panes of a window in the window frame Door Furniture – can be said as the whole component of the door Stress – is a compression or a pressure exerted on an object Deflection – is the bending angle in a structure which is being exerted by a force. Moment of Inertia – is the sum of the products of each element of an area and the square of its distance from a coplanar axis of rotation (Ching 2008).


Week 8 – Constructing Environment Logbook

Shear Force – is a force that acts on an object in a direction perpendicular to the extension of the object, such as a wind blowing and giving a force to a building

References Ching, D.K. (2008). Building Construction Illustrated (4th ed). New Jersey, USA: John Wiley & Sons Inc. FinishCarpentry.com (image) (n.d.). Date retrieved May 1, 2014, from http://www.finishcarpentryhelp.com/Metal-Exterior-Doors.html GLASS SKINS (video) (30 April, 2014). Date retrieved May 1, 2014, from https://www.youtube.com/watch?v=NW_GibnyBZc&feature=youtu.be InspectApedia (2009). Repairing doors, windows and skylights. Date retrieved May 1, 2014, from http://inspectapedia.com/exterior/Windows.htm MindiaMart (Image) (n.d.). Date Retrieved May 1, 2014, from http://www.indiamart.com/kiranent/metal-products.html Newton, C. [ENVS10003]. (2014, April 30). W08_c1 OPENINGS: DOORS & WINDOWS. Date retrieved May 1, 2014, from https://www.youtube.com/watch?v=g7QQIue58xY&feature=youtu.be Newton, C. [ENVS10003]. (2014, April 30). W08_m1 GLASS. Date retrieved May 1, 2014, https://www.youtube.com/watch?v=_I0Jqcrfcyk&feature=youtu.be TheGreenWindowCompany (Image) (n.d.). Date retrieved May 1, 2014, from http://www.thegreenwindowcompany.co.uk/#/hardwood-door-gallery/4561534603 Polyframe (Image) (n.d.). Date retrieved May 1, 2014, from http://www.polyframe.com.au/

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