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Planitherm glass is the most energy  efficient glass on the UK market today, enabling you to cut your energy bills by up to 28%.

  How does Planitherm glass work

By using advanced coatings to retain more internal warmth whilst capturing  energy from natural daylight. This advance in glass technology manufactured on Saint-Gobain glass UK’s ‘magnetron’ coater,  means that it is now possible to achieve A rated windows with your choice of window frame.

Planitherm Glass Coatings


_ a unique single-stock, high performance low-emissivity glass which can be used either annealed or toughened

– very neutral appearance before and after toughening

– high light transmission

– optimum centre pane U-value of 1.2 W/m2K’

– optimised solar gain for excellent window energy ratings.


_ offers the same aesthetic and processing benefits but with an optimum centre pane U-value of 1.3W/m2K·.


_ an exceptionally low-emissivity glass with an optimum centre pane U-value of 1.1 W /m2K”

– very neutral appeara nce

– extremely high light transmission

_ available in a “to be toughened” version (SGG PLANITHERM ULTRA Nil).

Where can Planitherm glass be used

Planitherm glass is designed for use in all double glazing applications, in all frame types for both new-build and replacement markets:

– windows and skylights in residential buildings and private domestic housing

– conservatories and patio doors

– windows and facias of non-residential buildings.

Superior Thermal Insulation

A double glazed unit incorporating  Planitherm glass is up to 3 times more thermally efficient than an ordinary double-glazed unit and offers significantly better thermal insulation compared to traditional hard coated low-E products:

  • · Considerable reductions in heating bills
  • · Reduces condensation on the inner pane
  • · Improved comfort with less drafts and cold spots near glazed areas
  • · Environmentally friendly solution, given the lower C02 emissions associated with reduced energy consumption
  • · Facilitates compliance with building regulations for a wider range of frame designs
Get an Online Quote

Step 1 - Get Quote
Click above and fill in our online form for an instant quote emailed to you.
Step 2 - Expert Advice
Speak with one of our product specialists to finalise quote and delivery times.
Step 3 - Build Doors
All our products are tailor made for every job. You get the exact specifications you want.
Step 4 - Satisfaction
We issue a satisfaction questionnaire to ensure you are 100% satisfied with the installation.

We have had the pleasure of buying a 3 panel bi-folding door from Foldingdoorshop. Martin and his team were excellent to deal with before placing the order and until the unit had been installed. The doors arrived made exactly as per the order, the quality of the glass/frame/locks/seals /running gear is excellent.
Neil 11/11/2013