Heritage Units - Ravensby Glass | Dundee

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Heritage Units

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'Heritage' Slimline Double Glazed Units

Ravensby Glass is now manufacturing 'Heritage' sealed units (ultra thin double glazing).

The Heritage unit is a narrow sightline unit with an overall thickness of 12mm-16mm, manufactured  specifically for historic and conservation sector. Due to their high specification they are suitable for:

  • Listed properties
  • Historic buildings
  • Conservation Areas
  • New builds
  • Replacement & Refurbishment projects

The units are manufactured using a soft coat low emissivity glass with the lowest 'U' values available for the inner pane. The outer pane can be chosen from one of our many glass types including patterned, solar control and low iron, allowing us to cater for many different customers' specifications.

All of the units are manufactured using Edgetech's warm edge 'Heritage' Super Spacer, which offers the ultimate in thermal performance and eliminates any possibility of cold bridge produced by traditional aluminium spacer bars. Additionally the 'Heritage' Super Spacer has a small up stand of only 3mm allowing us to offer an overall sightline of 7mm.

A combination of both of these elements offer great insulation and low 'U' values and with the option of Argon or Krypton gas fill. Krypton is a heavier gas and when combined with our 'Heritage' units, it will offer improved 'u' values as low as 1.2W/m2K.

 

Glass

Special soft coat low emissivity glass with the lowest 'U' values are available for the inner pane. The outer pane can be chosen from one of our many glass types including solar control and low iron. Hand drawn or crown glass is available on application.

 

Spacer Bars

Specifically designed for slim profile double glazing, Edgetech's warm edge 'Heritage' Super Spacer offers the ultimate in thermal performance and eliminates any possibility of cold bridge produced by traditional aluminium spacer bars.

Additionally the 'Heritage' Super Spacer has a small upstand of only 3mm allowing us to offer an overall sightline of 7mm.

 

Gas

The most popular thermal insulation gases used in double glazing are Argon and Krypton. Krypton is a heavier gas and will offer improved 'U' values in narrower cavity units. The inclusion of Krypton gas allows us to offer 'U' values as low as 1.2 W/m2K.

 

Glazing Information

  • Glazing details must be per diagram.
  • Putty must be of elastic type
  • Non setting compounds to be tapes or elastic sealant
  • When painting windows ensure paint line is 102mm overlapping onto glass
  • Minimum 1mm clearance required all round
  • Bottom packers must always be used

heritage with elastic putty sealant

heritage unit glazing

Click here to view our Heritage leaflet