Launch of SGG PLANITHERM 4S brings new possibilities for the conservatory market

The SGG PLANITHERM range has been extended further, with the exciting launch of SGG PLANITHERM 4S, developed especially for conservatory glazing.


SGG PLANITHERM 4S year round comfort

With an optimum g-value of 0.43 SGG PLANITHERM 4S provides excellent levels of solar protection for conservatory side walls, reducing unwanted heat by more than 2/3.

With a U-value of 1.0W/m2K its thermal insulation far exceeds all current available products, whilst still allowing excellent levels of natural light and the neutrality you would expect from the SGG PLANITHERM range. Furthermore when combined with SGG BIOCLEAN COOL-LITE ST in the roof glazing, a g-value as low as 0.29 can be achieved, blocking over 70% of direct heat from the sun where it is needed most. Add to this the benefits of our dual-action self-cleaning coating and reduced glare and you have an all round glazing solution.

Multi-functional options

Consumers are rapidly becoming aware of the glass options that are available to them and as a result are demanding more multi functional solutions. No longer is it acceptable for a conservatory to be unusable for 9 months of the year due to excessive over heating or cold conditions. There is an expectation that the conservatory will be an enjoyable, comfortable addition to the home, providing a useable extra living space, whatever the time of year.

A recent consumer study showed the three most important considerations when buying a conservatory were; thermal insulation, energy savings and solar control, with 71% of those questioned saying that they would pay more for these functions. As the UK weather is becoming increasingly variable a constant environment is important in helping to ensure better use of conservatories, by incorporating SGG PLANITHERM 4S, these changeable conditions can be managed cost effectively.


Rachel Appleyard, Product Manager of Saint-Gobain Glass says “when purchasing a conservatory many people choose solar control glass for the roof, not giving any thought to the vertical glazing. This is particularly important for South or West facing extensions as the amount of heat build up can make the conservatory uncomfortable, even when solar control glazing has been used overhead.”

Appleyard goes on to add “As a result conservatories are renowned for being too hot in summer and being drafty and chilly in winter, the development of SGG PLANITHERM 4S means that this can truly be a thing of the past.
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