Maintenance: Windows

paint pots

In this chapter we explain window styles common to units, and who is responsible for their maintenance.

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Window Types

Here are some of the more common types of windows in Australia.

Casement Window

window casement
Timber

window casement aluminium
Aluminium

A window with a hinged sash that swings in or out like a door. It is comprised of either a side-hung, top-hung (also called "awning window"; see below), or occasionally bottom-hung sash or a combination of these types, sometimes with fixed panels on one or more sides of the sash. In Australia these are usually opened using a crank.

Sources: wikipedia.com & stegbar.com.au

Awning Window

window awning
Timber

window awning aluminium
Aluminium

An awning window is a casement window that is hung horizontally, hinged on top, so that it swings outward like an awning.

A window with a hinged sash that swings in or out like a door. It is comprised of either a side-hung, top-hung also called "awning window"; or occasionally bottom-hung sash or a combination of these types, sometimes with fixed panels on one or more sides of the sash. In the Australia these are usually opened using a crank.

Sources: wikipedia.com & stegbar.com.au

Double-hung sash window

window double sash
Timber

window double hung aluminium
Aluminium

This sash window is a traditional style of window with two parts (sashes) that overlap slightly and slide up and down inside the frame. The two parts are not necessarily the same size. Nowadays, most new double-hung sash windows use spring balances to support the sashes, but traditionally, counterweights held in boxes either side of the window were used. These were and are attached to the sashes using pulleys of either braided cord or, later, purpose-made chain. Double-hung sash windows were traditionally often fitted with shutters. Sash windows may be fitted with simplex hinges which allow the window to be locked into hinges on one side, while the rope on the other side is detached, allowing the window to be opened for escape or cleaning. Single Hung Windows have one fixed and one opening sash.

Sources: wikipedia.com & stegbar.com.au

Sliding window

window sliding
Timber

window sliding aluminium
Aluminium

Sliding Windows have two or more sashes, which slide past each other horizontally within the frame.

Sources: wikipedia.com & stegbar.com.au

 

Bay window

box window
Timber

bay window
Aluminium

A bay window is generally composed of three individual windows, configured with a front that is parallel to the house and side wings at either 30° or 45° angles. I.e. Double hung/Fixed/Double hung.

Sources: wikipedia.com & stegbar.com.au

 

 

Common Problems - Timber windows

The following pictures illustrate many of the common problems with timber windows, leaving them in a poor state and beyond repair.

window needing repaint

The following picture illustrates some of the common problems with timber bay windows. Bay windows usually extend beyond the protection of the building's eaves and consequently are subject to increased weathering. In addition, the windows have many timber components and capping and the myriad of associated joints are subject to fungal attack if not regularly painted to seal out moisture.

bay window rot

The following picture is of two double hung sash windows. In this case the timber work is in need of repainting.

Sash windows rely on counter weights or springs to help lift the heavy timber window. These components can fail. They are usually installed in channels at the edge of the frame.

window double hung needs repaint

The following picture is of a combination awning and fixed pane window. In this case, a timber cross member has failed due to rot. The timber or the entire window will need to be replaced.

window transom rot

Best Practice

Ensure that the paintwork on all external timber windows is maintained. When repainted ensure that the painter properly cleans, prepares and undercoats the joints.

The following is 'Solver's' recommended treatment:

Remove all loose flaking paint. Hack out all loose brittle glazing putty. Sand thoroughly, feathering all broken paint edges. Dust down before spot priming bare timber including glass recesses with Solver 4199 Pink Primer. Replace glazing putty and fill all holes and cracks. Apply one (1) coat of Solver 4103 All Purpose Undercoat followed by one (1) coat of Solver 4171 High Gloss Enamel.


Common Problems - Aluminium windows.

  • Drain holes blocked. Aluminium windows have small slotted drain holes in the outside face of the sliding component of the window. These can block over time, and this results the channel in which the glass slides can fill with water and can overflow into the room. To clean the drains carefully remove the sliding window, locate the slots and remove all dirt from the channel and drain slots.
  • Seals perish. The seals between the sliding and fixed parts of the window usually have a rubber and/or brush seal. This can wear over time allowing rain and air to enter the building.

The following picture is of sliding aluminium window. In this case the lintel above has rusted and is in need of a repaint.

lintel needs repaint

Tools

The following tools may assist in the maintenance of your group's windows.

Painting Specificationpaint specification
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Maintenance brochurewindow care tips
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