Ask Pilkington

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Ask Pilkington

Which glass can reduce heat loss in winter?

We offer a range of products which can provide thermal insulation to reduce heat loss in winter:

Product Benefits
Pilkington K Glass™ or Pilkington K Glass™

Helps save money on heating bills through energy saving

Helps windows achieve higher Window Energy Ratings (dependant on frame type)

Helps save money on heating bills through energy saving

Pilkington K Glass™ S

Optimised for Window Energy Ratings

Low U value (high thermal insulation)

High light transmission

Pilkington Optitherm™ S1 Plus

Can achieve the lowest U value within our product range

Superior light transmittance with a highly neutral colour. 

It is the ultimate in thermal insulation for any situation where excessive heat loss is a concern.

Pilkington Suncool™ 70/35

Provides a good level of thermal insulation with excellent solar control, providing year-round comfort.

Will help ‘future-proof’ windows and doors to meet the proposed new building regulations for overheating in new dwellings in both England and Wales from 2022.

Use our online Supplier Finder to find your nearest supplier of Pilkington UK glass.

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