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GLAZING OPTIONS 

As there are many different types of glass on the market, making the right choice can seem quite a daunting task!  Consideration should be given to which direction your conservatory will face. South facing elevations will require protection from the sun so a good overall heat reflection glass should be considered. If north facing then you would need to consider retaining the heat and also getting the maximum amount of light into your Conservatory. 

If you want to keep your conservatory as warm and energy efficient as possible during the winter months, yet cool in the summer months Celsius glass is the ideal product. 
 
If you are working to a budget it is important to remember that the glazing we supply for the roof is a toughened safety glass as standard and that if you opt for a polycarbonate roof, particularly Heat-guard or Opal, this can offer a better overall solar reflection performance (reduction of sun’s heat and glare) compared to some of the glass options. 
 
Many companies try to sell or recommend products to customers that are not applicable to their individual requirements. We think it is important for our customers to make their own informed choices based on facts. To enable you to do this we have prepared a chart for you below. 
U – Value:  
This is used to measure the internal heat loss during the colder periods. The lower the number the greater the insulation. (The lower the better) 
 
Solar Factor:  
This is the percentage of solar energy (or heat from the sun) able to pass through the glass 
 
Light Transmission: 
This is the percentage of visible light directly transmitted through the glass 
 
Heat Reflection:  
The amount of solar energy (heat from the sun) reflected away. If you are south facing you need this to be as high as possible. 
 
UV (Cover) Protection:  
Percentage protection against fading of furniture and fabrics from ultra violet rays (sunlight) 
 
Cleaning options:  
Low Maintanance (process) often refered to as 'Self Clean' or Easy Clean (minimal maintenance) 
GLASS TYPE  
U Value 
Solar Factor  
Light Transmission  
Heat Reflection  
UV Cover  
Warm edge Spacer bar 
Clean Option 
Clear (Standard)  
2.8 
75% 
80% 
25% 
Not Available  
Optional 
Not Availaible 
Clear with Low E Innerpane 
1.7 Air Gas 1.4 
70% 
72% 
30% 
Not Available  
Optional 
Not Availaible 
Bronze Anti-Sun/Clear Innerpane 
2.8 
46% 
55% 
54% 
Not Available  
Optional 
Not Availaible 
Bronze Anti-Sun/Low E Innerpane 
1.7 
40% 
50% 
60% 
Not Available  
Optional 
Not Availaible 
Blue Low Maintenance/ Clear Innerpane 
2.6 
43% 
42% 
57% 
Not Available  
Optional 
Low Maintenance 
Blue Low Maintenance/ Clear Low E Innerpane 
1.2 
47% 
45% 
53% 
Not Available  
Optional 
Low Maintenance 
Blue Low Maintenance/ Softcoat Low E Innerpane 
1.1 
47% 
45% 
53% 
Not Available  
Optional 
Low Maintenance 
Clear Low Maintenance/ Clear Innerpane 
2.6 
72% 
76% 
28% 
Not Available  
Optional 
Low Maintenance 
Clear Low Maintenance / Low E Innerpane 
1.5 
69% 
70% 
31% 
Not Available  
Optional 
Low Maintenance 
Celsius One  
Gas 1.0 
17% 
30% 
83% 
94% 
Optional 
Easy-Clean 
Celsius Elite  
Gas 0.9 
17% 
27% 
83% 
94% 
Optional 
Easy-Clean 
Celsius Clear  
Gas 1.0 
42% 
61% 
58% 
73% 
Optional 
Easy-Clean 
Ecoclean Blue Sunshield/4S 
Gas 
1.0 
20% 
27% 
80% 
Not Available 
Standard 
Low Maintenance 
25mm Polycarbonate  
1.6 
 
 
 
 
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35mm Polycarbonate  
1.5 
 
 
 
 
Click on this text to edit it. 
 
Sealed units have a 10 Year guarantee in roofs and frames.  
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