Day light comfort
Energy saving
Summer comfort
Winter comfort
Low-E glass with advanced thermal insulation properties
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PLANITHERM ULTRA N is an advanced performance low-E coating, further extending the PLANITHERM family, Europe’s best selling low-emissivity (low-E) glass and one of the UK’s leading offline low-E coating brands.


PLANITHERM ULTRA N offers superior thermal insulation properties for the most demanding of glass specifications, where neutrality and excellent performance are paramount.

Commercial Solutions:

  • Façades and windows
  • Structural glazing
  • Overhead glazing
  • Also Suitable for Residential Solutions:
  • Windows and skylights
  • Patio doors, French doors and other external doors
  • Conservatories and sunrooms


Enhanced Thermal Insulation

with an optimum center-pane U-value of 1.1W/m2K (90% argon-filled), PLANITHERM ULTRA N can comfortably meet current Building Regulations by improving whole window U-values for all frame types

particularly suited to commercial applications using steel and aluminum frames for optimum energy efficiency

helps to reduce heating requirements

considerable reductions in heating bills

environmentally friendly solution, given the lower CO2 emissions associated with reduced energy consumption

Comfort & Aesthetics

helps to eliminate cold areas around windows resulting in greater comfort

maximizes use of living and working areas

reduces incidence of condensation on the inner pane

neutral appearance in both transmission and reflection

maximizes entry of natural daylight

Handling and Processing

PLANITHERM ULTRA N must always be processed into an insulating glass unit (IGU). PLANITHERM ULTRA N II must always be tempered prior to its manufacture within the IGU. For full processing and handling guidelines, please request a copy of the detailed “Guidance for Use low-E Coated Glass” documents and accompanying summary brochure.


Product Datasheets