Heritage Double Glazing Unit (9mm Sightline)

Our Heritage units have 3 thickness options available 

• 4mm Toughened Float -4mm Warmedge Spacer, Gas filled -4mm Toughened Planitherm Total Plus  (12mm Overall) 
• 4mm Toughened Float -6mm Warmedge Spacer, Gas filled -4mm Toughened Planitherm Total Plus  (14mm Overall) 
• 4mm Toughened Float -8mm Warmedge Spacer, Gas filled -4mm Toughened Planitherm Total Plus  (16mm Overall) 

U Values Below ( Lower the number, better the U Value )

12mm Heritage Unit Argon Filled - 2.6 Ug  Kyrpton filled - 1.9 Ug

14mm Heritage Unit Argon Filled - 2.0 Ug  Krypton Filled - 1.5 Ug

16mm Heritage Unit Argon Filled - 1.7 Ug  Krypton Filled - 1.2 Ug

Westcountry Heritage Units are super slim, sealed glass units, that offer a modern solution to an old problem, providing excellent performance without compromising a buildings appearance.Produced to order with an authentic appearance, slim sightlines and narrow unit cavities, Westcountry Heritage Insulated Glass Units will compliment listed properties and historic buildings with restoration and replication requirements.

We cannot stress enough the importance of the correct glazing technique for these specialist glass units, to maximise their effectiveness and longevity. All our Westcountry Heritage Units currently have a 2 year guarantee.

Click here to see full glazing instructions!

Only coloured silicone can be used when glazing heritage units- Click here to purchase your putty and silicone

Please allow approximately 3-4 weeks