Aluminium Window Frames

Article by: Matthew Anthony

When double glazing first became a popular window , Ten Creative Headboard Ideas for Frugal Decorators choice in the 1960s, most frames were made of aluminum. Aluminum remained the most popular choice for framing double glazing windows , The Uglier The Better through the mid-1980s, when it held over 60% of the market. Since the introduction of PVC window , Plants We like for the Clay Soils of Horsham Pa. framing, the market share of aluminum framed windows , Checklist: Do I Need to Replace My Chimney Cap? has dropped steadily. As of 2003, less than 17% of windows , How to Care for your Fresh Cut Flower Arrangement sold were aluminum framed. There are many reasons for the drop in popularity - and still some good reasons for choosing aluminum over PVC or wood , Handcrafted Garden Bridges Builds Traditional Arched Span Bridges with Modern Flair frames.

The early popularity of aluminum was based on price and convenience. Aluminum was far less expensive than wood, , Handcrafted Garden Bridges Builds Traditional Arched Span Bridges with Modern Flair the only other choice for window , Deciduous Shrubs in the Garden framing in the early years of double glazing. In addition, aluminum is easily extruded in the shapes and lengths needed to frame windows , Enhance your garden with fall bulbs of any shape or size. It's strong, durable and very close to maintenance free.

Aluminum frames do have one significant drawback, however. Aluminum is an excellent conductor of heat , Cut Flower Gardening For Beautiful Bouquets and cold. , Is there a leprechaun in your garden It's such a good conductor, in fact, that in colder temperatures, , Enhance your garden with fall bulbs frost often forms on interior , How to Find Flower Delivery in Philadelphia surfaces of the windows , Candles and the Bedroom close to the aluminum joints. The end result is windows , Do You Really Want The Ceiling Fan Above The Bed? that are significantly less able to conserve heat , Plants We like for the Clay Soils of Horsham Pa. and energy , -saving ideas for setting holiday lights aglow than those framed in other materials.

PVCu was introduced in the mid-80s as a choice for framing double glazing windows, , Ten Creative Headboard Ideas for Frugal Decorators and immediately began to climb in popularity. When compared with aluminum frames, PVCu was less expensive, and more energy , The Uglier The Better conservative. It can't match the strength of aluminum, however, and there are security , The American Arborvitae Grows well in Sellersville Pa. concerns with its use. In addition, the introduction of 'thermal breaks' reduces the heat , Borrow on a Budget: Getting the Cheapest Home Improvement Lo conductivity (measured in U values) of aluminum framed windows , How to Find Flower Delivery in Philadelphia significantly. By fitting a less conductive material between the panes of the window , Borrow on a Budget: Getting the Cheapest Home Improvement Lo as a sort of 'bridge' between the glass, , Landscaping with Roses manufacturers , Winter Gardening in Eastern Pennsylvania can bring the U value of aluminum framed double glazed windows within conservation standards.

The main selling points for aluminum window , Candles and the Bedroom frames, then, were:

1. Strength - aluminum framed windows , How To Use Annuals In Landscaping Your Garden are far less prone to warping. The aluminum withstands weather ,
How to distribute the water in your new log cabin well, needs no painting , Plants and Trees Native to Lower Salford Township Pa. and forms strong, rigid window , The American Arborvitae Grows well in Sellersville Pa. frames that will fit for far longer than wood , Energy-saving ideas for setting holiday lights aglow frames.

2. Cost - aluminum frames are far less expensive than wood , Candles and the Bedroom frames. They are easier to manufacture, and the material is less expensive to begin with. On the other hand, the introduction of PVC has largely negated the advantage of cost. Far lower in price, and with more efficient heating, PVC has become the material of choice for framing double glazing windows. , A Spring Sampler

3. Ease of maintenance - As opposed to wood, , Candles and the Bedroom which is subject to warping and decay and needs repainting every 3-5 years, aluminum is virtually maintenance free. It never needs painting, , Plants We like for the Clay Soils of Horsham Pa. doesn't rot or warp, and is rigid and strong enough to bear the load of window , Planning A Container Water Gardens For Any Yard lintels with minimal reinforcement.

4. Security , Double Glazing - Because of the tight fit possible with aluminum framed double glazed windows, , Handcrafted Garden Bridges Builds Traditional Arched Span Bridges with Modern Flair they were - and still are - the choice where security , Ceiling Fans Cool the Air in Style is a paramount concern. It's very difficult to 'pop' an aluminum framed window , Borrow on a Budget: Getting the Cheapest Home Improvement Lo from its frame if it's properly fitted.

About the Author

Matthew Anthony has launched the new site The Double Glazing Centre with details of local , January Gardening Thoughts double glazing contractors , Pruning Weeping Cherry Trees and Other Grafted and Budded Ornamentals in the UK.

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