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Guardian Industries UK Glass Division

Elevations

Elevations

Energy saving and comfort in your home is realised through exceptional design.

The environment outside your home greatly influences the environment inside your home. Exceptional design takes account of the external environment and controls its influence on the inside of your building.

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Facts about glass and glazing performance

When choosing the right glass for your windows there are a number of factors to consider, all of which will influence the temperature and the environment inside your home. Most of these factors tend to be overlooked when choosing new windows, however to get the best performance and optimal comfort from your glazing the following factors are vitally important:

High Light Transmission

High Light Transmission

Natural daylight is ideal, it allows the eyes to focus comfortably and improves the environment inside your home, ensuring a high light transmission reduces the need for artificial lighting during daylight hours and therefore can help reduce energy costs.

Large glazed areas

Large Glazed Areas

Glass connects the inside and the outside of your home, large glazed areas help to create a comfortable and pleasant environment. It has been proven to enhance the well being of occupants and is recognised by Breeam (BRE Environmental Assessment Method) which provide extra credits for correctly specified glazed areas.

Solar Heat Gain (g value)

Solar Heat Gain

The heat from the sun, also known as the solar factor, solar heat gain or g value, will quickly cause areas of your home to overheat as the suns energy passes through the glazing. If this factor isn't adequately controlled areas may become overheated and uncomfortable to use, requiring air conditioning or mechanical ventilation to cool.

Thermal Insulation

Thermal Insulation

Low U value glazing is essential to help reduce heating costs, today high performance glass can provide U values as low a 1.0 W/m2K, this not only helps keep heating costs low, it also reduces cold spots around glazing and almost stops down drafts increasing usable space in your home.

Solar Glare

Solare Glare

Direct sunlight passing through glazing can make it difficult to see and cause discomfort to the eyes. Glare is hard to prevent without solar shading, however modern high performance glass can greatly help to reduce glare and improve the environment inside your home.

The orientation of your house or apartment plays a vital part when considering which glass to use on different elevations

Northern Elevation

North Elevations

North facing elevations are subject to far less solar heat, the high sun in the summer time means that Northern elevations can easily be shaded, basic eaves can prevent solar energy from over heating a room and in the winter when the sun is low the north face generally evades direct solar energy. The lack of any solar heat on the north face means this area may require extra heating to maintain temperature.

ClimaGuard

ClimaGuard Low Emissivity glass is the ideal product for the North Elevation, offering low U values helping to keep the area warm and reduce heating costs. A high light transmission reduces the need for artificial lighting during daylight hours, and a high solar heat gain means the limited solar heat on the north face can be utilised to help heat this elevation year on year at no additional cost.

East & West Elevations

East and West Elevations

East and West facing elevations are subject to a lot of solar heat as the sun passes these areas after sunrise and before sunset. This means that heat build up from the sun at these times can quickly cause a room to overheat, the lack of solar heat when the sun faces away from these elevations can equally result in an area losing heat quickly, and therefore require extra heating to maintain a comfortable temperature.

SunGuard High Selective SN 70-37

SN 70-37 is the ideal product for eastern and western elevations, it has a very similar aesthetic appearance to ClimaGuard, yet reduces solar heat gain by 63% helping to stop these elevations over heating. The high light transmission reduces the need for artificial lighting during daylight hours, and a low U value of 1.0 W/m2K ensures reduced heating costs.

Southern Elevation

Southern Elevation

South facing elevations are subject to solar heat all day, the elliptical orbit of the earth around the sun combined with the earth axis means that southern elevations will be subject to continuous solar heat and solar glare. These areas require less heating due to solar heat gain, but are also far more prone to over heating and air conditioning in summer. Southern elevations can also be affected by excessive solar glare at certain times of the day, making these areas awkward to manage and use.

SunGuard High Selective SN 62/34 or SN 70/37

SN 62/34 has a very similar super neutral appearance to ClimaGuard and SN 70/37, yet it offers advanced solar heat control, reducing solar heat gains by 66% and therefore reducing demands on air conditioning in this highly exposed area. It has a slightly lower light transmission helping to reduce solar glare whilst still providing natural daylight, and provides the same exceptionally low U value of 1.0 W/m2K helping to reduce heating demands.

Choosing the right glass for the right elevation is essential to help control not only the temperature but the environment inside your home, reducing heating and air conditioning costs, increasing natural light and helping to reduce glare where possible.

Elevations

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