What are the Costs of Replacement Window Glass Materials?

Written by AnonymousMarch 18, 2011

Discussing How Much Replacement Window Glass Materials Cost

The cost for replacement window glass materials varies by size, shape, coating, thickness, type of glass, manufacturer, and window style. Bay windows and bow windows consist of small, multiple panes of glass throughout. Casement windows consist of two to three large panes of glass. Standard windows are square, while others may be curved or round. You may have an easy time finding a suitable replacement for a standard window, but if you have a non-standard window, the manufacturer will likely have to customize the glass.

The type of glass is one of the most common cost factors for replacement windows. Some types of glass are required by law and others are specifically designed for floor-to-ceiling windows. For example, laminated and tempered glass are used for floor-to-ceiling windows and wired or fireproof glass must be used in fire door windows.

There are more than a dozen types of glass materials. Some of the most common are:

Standard or float glass is the least expensive type of glass. It costs up to $10 per square foot. Add any extras, and the price will increase to $14 or more per square foot. This type of glass is clear with a flat finish.

Heat efficient glass costs vary based on everything from size to window style, so a set price range doesn’t exist. However, you can expect to pay more for a type of heat efficient glass called performance glass than other types of glass. Heat efficient glass is available in double-glazed, low-emissivity, and solar control. Double-glazed glass consists of two sheets of glass with a layer of inert gas sealed between them. This provides heat and sound installation.

Low-emissivity glass is made with a special coating that allows heat and sun in, but prevents warmth from seeping through the glass. Solar control glass, a type of low-emissivity glass, prevents excessive heat from the sun from passing through the glass and building up inside a structure. This type of glass is common in buildings with large expanses of glass.

Strong glass is available in laminated, tempered, wired, and fire-resistant styles. All types protect against shattering. Fire-resistant glass is the most expensive.

Shatterproof glass is common in areas prone to hurricanes. The glass is layered and thick, so it’s more expensive than coated or single pane glass.

Specialty glass such as mirror glass or self-cleaning glass isn’t energy efficient or shatterproof, but it does serve a purpose. Mirror glass is often used on modern buildings to create a reflective effect on the exterior. Self-cleaning glass uses a special coating on the exterior surface that allows sunlight to break down dirt. After the dirt breaks down, rainwater washes it away. Although self-cleaning glass looks similar to standard glass, it costs more based on function.

Reduced visibility glass is available in etched and privacy styles. Both types of glass allow light to enter but prevent people from seeing through it; privacy glass distorts the view whereas etched glass has an etched pattern . This type of glass is typically used on bathroom windows, so costs may be low if the window is small.

The cost for replacement window glass materials is not the only expense to consider. Replacing a single pane is a tedious process, so add labor costs to your budget.

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