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Pilkington Activ™ Glass

Pilkington Activ ™ Self Cleaning Glass

A revolution in glass Self-cleaning glass has been described as an impossible dream. Yet, following an intensive research and development programme by Pilkington - inventors of the universally used float glass process, and the world's leading glass manufacturer-Pilkington Activ ™ does just that. Its unique dual action uses the forces of nature to help keep the glass free from organic dirt, giving you not only the practical benefit of less cleaning, but also clearer, better-looking windows.

Pilkington Activ™


Blue Self-Cleaning SolarControl Glass

pilkington activ™

The attractive blue glass combines dual-action, self-cleaning properties with solar control performance for a cooler internal environment.
Specially designed for the optimum roof unit, Pilkington Activ™ Blue is a revolutionary new glass that is perfect for use in conservatories.
It uses daylight and rainwater to breakdown and wash away organic dirt from exterior surfaces, making it ideal for hard to reach places that are difficult to clean. Its unique blue colour also helps keep internal temperatures cool whilst still maintaining excellent light transmittance.
For optimum self-cleaning and thermal performanc, the double glazed unit is combined with
Pilkington Activ™ Blue with Pilkington "K" Glass ™ in an 24mm Insulating Glass Unit

Benefits

• Attractive blue colour offers excellent aesthetics and optimum performancebr
• Excellent solar control performance combined with good light transmission
• Uses daylight and rainwater to break down and wash away organic dirt from the exterior of the  glass
• Works even on cloudy days and during the night
• Pilkington Activ™ coating lasts the lifetime of the glass
• Easily cleaned during dry spells by hosing down

How Pilkington Activ ™ Works

pilkington activ™

Figure 1 : Coating is activated by UV light

After installation the special coating needs 5 to 7 days exposure to daylight to activate fully.

Figure 2 : Organic dirt is broken down

The coating breaks down organic dirt and by doing so, reduces the adherence of inorganic dirt.

Figure 3 : Rain washes dirt away

Water droplets spread out to form a " sheet " , dirt particles on the surface are picked up by the water and washed off glass - a remarkable difference you can actually see

What do you mean by "dual action"?

The secret of Pilkington Activ ™ lies in its special coating, which works in two stages:
1: Breaking down organic dirt
Firstly, the coating reacts with ultra-violet (UV) rays from natural daylight to break down and disintegrate organic dirt (see figures 1 & 2). Organic dirt generally comes from living plants and animals e.g. bird droppings or tree sap, while inorganic dirt comes from other,non-living sources e.g. cement or plaster.
2: Washing dirt away
The second part of the process happens when water hits the glass. Rain water runs down the glass to wash the loosened dirt (both organic and inorganic) away. Inorganic dirt will only be removed by water (see figure 3). Compared with conventional glass, the water dries very quickly, reducing unsightly streaks or marks.

Exactly what is self-cleaning glass?

Pilkington Activ™ is normal glass with a special coating on the outside that has a unique dual action. Once exposed to daylight, the coating firstly breaks down any organic dirt deposits and secondly, causes rain water to 'sheet' down the glass to wash the loosened dirt away.

What effect does the coating have on the glass?

Very little, other than keeping it cleaner for longer! It has no effect on its strength, and only reduces the amount of light and energy that passes through by about 5%. From certain angles it has a slightly greater reflective quality than normal glass, with an attractive faint blue tint, giving it a clearer, brighter appearance.

Can it be scratched or rubbed off ?

The coating is integral to the glass - it will not flake off or discolour, so it can only be affected if the surface itself is damaged; for example, by pointed objects, abrasive cleaners or steel wool.

How long will the coating last? Can it be replaced?

The coating has been proven to last as long as the glass itself. The coating is permanent and will not need re-applying.

Is it environmentally friendly?

Yes. The coating contains harmless chemical substances already found in the home, in such things as bath oils and toothpaste. In fact, with only small amounts of cleaning agents needed, Pilkington Activ™ is kinder to the environment than normal glass.

How long does the self-cleaning operation take?

Pilkington Activ™ works continuously, with dirt being washed away whenever it rains.

Does Pilkington Activ™ work straight away?

After fitting, the coating on the glass takes about five days to activate itself fully.

Will this process work even when the glass is very dirty?

The coating will eventually break down even heavy deposits of organic dirt. However, if the surface is so dirty that UV light cannot reach the glass, the self-cleaning action will not take effect. In such cases, clean the glass with warm soapy water and a soft cloth, and in a few days the process will have re-activated.

What happens if it does not rain for some time?

Normally, rainfall will be enough to keep your windows clean. In dry spells though,your windows can be washed with a soft cloth and warm soapy water or hosed down.

What about cloudy days and at night?

Pilkington Activ™ needs only a small amount of UV radiation to keep the coating activated so it works even on overcast days.

How long does the self-cleaning operation take? Pilkington Activ ™ works continuously, with dirt being washed away whenever it rains.

Does Pilkington Activ ™ work straight away?

After fitting, the coating on the glass takes about five days to activate itself fully.

Will this process work even when the glass is very dirty?

The coating will eventually break down even heavy deposits of organic dirt. However, if the surface is so dirty that UV light cannot reach the glass, the self-cleaning action will not take effect. In such cases, clean the glass with warm soapy water and a soft cloth, and in a few days the process will have re-activated.

What happens if it does not rain for some time?

Normally, rainfall will be enough to keep your windows clean. In dry spells though,your windows can be washed with a soft cloth and warm soapy water or hosed down.

What about cloudy days and at night?

Pilkington Activ ™ needs only a small amount of UV radiation to keep the coating activated so it works even on overcast days.