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Is your conservatory too hot in summer?

 

Traditional plastic polycarbonate roofs offer very limited protection from the heat generated by natural sunlight. They absorb heat from the sun’s rays throughout the day making conservatories extremely hot and uncomfortable and far too bright to enjoy.

 

Replacing your roof with an Insulated Conservatories Pilkington Activ Blue glass one will not only reduce the temperature in your conservatory, but it will also reduce the sun’s glare as the glass units have a special solar reflective coating that helps to reflect the sun’s rays.

 

Benefits

 

   Reduce internal temperature by up to 9oC during summer months

   Reflects heat back outside

 

How it works

 

The glass used in our glass conservatory roofs has solar control coating that helps prevent the build up of heat during summer months. The solar control coating reflects heat from the sun back outside keeping the conservatory interior much cooler and provides you with a much more comfortable, usable living space.

 

The permanent special coating which is added during the manufacturing process to the outer pane of glass provides an invisible metallic coating that can reflect up to 78% of the sun’s infrared heat as well as a high percentage of its damaging UV radiation so you can really feel the difference.

 

More technical minded

 

The issue of being too hot in summer is caused by the transmission of heat and light. The roof is the most critical element of the conservatory as it is most exposed to the angle of the sun during the hottest parts of the day. The more heat/light that is transmitted the higher the internal heat build up.

 

The critical measurement is solar reflection, i.e. the amount of the sun’s rays that are reflected away by the roofing material. Up to 90% of daylight can be transmitted through polycarbonate.

 

Pilkington Activ Blue roof glass is also tinted to boost solar control and reduce glare. Our roofs utilise a subtly blue tinted glass, as this offers the greatest solar control (78% heat reflection) and glare reduction (68%). It also reduces the bleaching effect of the sun by blocking 95% of the sun’s UV rays, prolonging the life of conservatory furniture and soft furnishings.

 

Insulated Conservatories replacement roofs use a specific conservatory glass that has a solar reflection factor of 78%.

 

So a Glass Roof is 3.5 times more effective at reflecting away heat and keeping the conservatory cooler in summer.

Is your conservatory too cold in winter?

 

Most homeowners find their conservatory becomes a redundant space through the winter months. As temperatures outside drop so do they in conservatories as plastic polycarbonate roofs offer almost no thermal efficiency so become cold, brittle and draughty.

 

Upgrading your old plastic polycarbonate roof with a new Pilkington Activ Blue glass roof from Insulated Conservatories not only reducing heat in summer, but also retains heat in winter. The double glazing units installed by us incorporate self-cleaning solar control with thermal insulating properties, providing all year round comfort so you can make the most of your conservatory no matter what the weather outside is like.

 

A new glass roof from Insulated Conservatories can also help you to use less energy and even save money on your energy bills.

 

Benefits

 

   Incorporates market leading thermal energy efficient glass with a U-value of

   1.0-1. 2W/m2K

   Reflects heat back in to the conservatory reducing heat loss

 

How it works

 

Replacement glass roofs provide unbeatable thermal insulation reflecting heat back into the conservatory and reducing heat loss. They also maximise the amount of natural daylight entering the conservatory throughout the day which is especially important during winter months and virtually eliminates internal condensation.

 

The subtle blue tint in the glass also provides increase solar control as it absorbs more heat. It incorporates market leading thermal energy efficiency glass (U-value of between 1.0-1.2W/m2K) that far exceeds other available products.

 

More technically minded

 

All buildings lose heat that escapes through the fabric of the building. A building’s thermal insulation properties are critical in minimising heat loss, keeping the interior warm when heating is required, and conserving energy.

 

In a standard home around one quarter of all heat loss is through the doors and windows. Energy efficient glass is used in modern window constructions to reduce this. In a conservatory there is a higher proportion of glass or polycarbonate, used to form the walls and the roof. So the importance of thermal insulation is heightened.

 

The standard for measuring thermal insulation is the u-value. The lower the u-value, the greater the thermal insulation properties. Using the same comparison parameters used for solar reflection above, 16mm triple wall polycarbonate will have a typical u-value of 2.4, compared to 1.0 for the aqua roof glass used in a Refresh glass roof.

 

So a glass roof from Insulated Conservatories is 58% more thermally efficient, or a factor of 2.4 times.

 

The glass is coated during the manufacturing process with using microscopic particles applied via a magnetron coater. For a conservatory roof this coating is applied to the exterior facing pane of the outer pane within the double glazed unit. The coating reflects and absorbs up to 78% of the sun’s heat, reducing the need for alternative measures such as costly, and energy consuming, air conditioning, or blinds that obscure the view.

 

The inner pane within the double glazed unit of our replacement glass roof is also coated with a different formulation that delivers the thermal insulation properties. The coating on this pane is designed to reflect heat back into the room and achieves a whole window u-value of 1.0.

Upgrade a polycarbonate roof to an Insulated Conservatories Pilkinton Activ Blue Glass Roof

 

How It Works

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How Pilkington Activ ™ Works in keeping itself clean

 

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.

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