The Essential Upgrade from Single Glazing.

The way in which we build and renovate is changing significantly, due to a rising demand for energy efficiency and newly introduced regulations standard single glaze is simply not enough to ensure your home or project not only meet the require standards but also provides a comfortable living environment. Essential DGU’s are comprised of uncoated glass types bonded with a secondary pane to create our standard double glazed unit.

Insulation Improvement

%

A warmer space in winter.

Our DGU Essential range offers a remarkable 50% improvement in insulation compared to standard single glazing. This significant enhancement keeps your home warmer in winter and cooler in summer, reducing the need for heating and cooling systems. As a result, you can enjoy lower energy bills and a more comfortable living environment throughout the year.

Solar Control Improvement

A cooler space in summer.

DGU Essential offers an 18% improvement in solar control. Solar control technology helps to regulate the amount of sunlight keeping your home cooler in the summer by reducing solar heat gain, decreasing the need for air conditioning and lowering your energy bills. Additionally, it minimises fading of furniture and other furnishings by blocking harmful UV rays.

%

The Essential Upgrade from Single Glazing.

The way in which we build and renovate is changing significantly, due to a rising demand for energy efficiency and newly introduced regulations standard single glaze is simply not enough to ensure your home or project not only meet the require standards but also provides a comfortable living environment. Essential DGU’s are comprised of uncoated glass types bonded with a secondary pane to create our standard double glazed unit.

%

Insulation Improvement

Our DGU Essential range offers a remarkable 50% improvement in insulation compared to standard single glazing. This significant enhancement keeps your home warmer in winter and cooler in summer, reducing the need for heating and cooling systems. As a result, you can enjoy lower energy bills and a more comfortable living environment throughout the year.

%

Solar Control Improvement

DGU Essential offers an 18% improvement in solar control. Solar control technology helps to regulate the amount of sunlight keeping your home cooler in the summer by reducing solar heat gain, decreasing the need for air conditioning and lowering your energy bills. Additionally, it minimises fading of furniture and other furnishings by blocking harmful UV rays.

Exploring The Benefits

Improved
Insulation

Improved thermal insulation stops heat from escaping your home on cooler winter days.

Energy
Efficiency

Minimises heat loss, reducing energy consumption and lowering heating expenses.

Natural Light

Maximise natural light, creating brighter interiors while reducing artificial lighting needs.

Maximised Security

Offers enhanced security when paired with specific glass types, deterring intruders and providing peace of mind.

Audio Control

When combined with specific glass types, reduces external noise for a quieter internal environment.

Total Transparency

Ensures crystal clear views with high transparency, offering unobstructed visibility and enhancing visual appeal.

Performance Data

  • Calculation method: LBNL WINDOW Calc Engine v2.4.0, Optics 6.0
  • Environmental Condition: NFRC 100-2000
  • Results are for center-of-glass; does not include effect of frames
  • Location of LowE coating is indicated with surface number
    • #1 indicates exterior surface, #4 indicates the interior surface in a typical double-glazed unit
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Tilt

Tilt-angle (°)

Angle of the glass relative to the horizon

  • Typical skylights with a slight pitch: 3-5°
  • Typical windows in vertical walls: 90°
Ug.w

Ug (W/m².K)

Heat-transfer coefficient (center-of-glass)

  • Heat transfer (W) per square meter (m²) of glass for each degree (C) of temperature difference
  • Lower implies better insulation

.w

NFRC 100-2010 Winter Condition

  • The standard environmental condition for Ug quoted in the Window industry
  • Useful as a reference for performance comparison between different glazing systems but can lead to inaccuracies if used to estimate energy consumption
  • Inside Condition:
    • Air and effective room temperature: 21 deg C
    • Room emissivity: 1
  • Outside Condition:
    • Air and effective sky temperature: -18 deg C
    • Effective sky emissivity: 1
    • Convection coefficient: 26 W/m².K
    • Wind speed: 5.5m/s windward
Ug.s

Ug (W/m².K)

Heat-transfer coefficient (center-of-glass)

  • Heat transfer (W) per square meter (m²) of glass for each degree (C) of temperature difference
  • Lower implies better insulation

.s

NFRC 100-2010 Summer Condition

  • The condition used to calculate SHGC
  • Ug.s better represents performance in warm environmental conditions
  • Inside Condition:
    • Air and effective room temperature: 24 deg C
    • Room emissivity: 1
  • Outside Condition:
    • Air and effective sky temperature: 32 deg C
    • Effective sky emissivity: 1
    • Convection coefficient: 15 W/m².K
    • Wind speed: 2.75m/s windward
    • Direct solar radiation: 783W/m²
SHGC

SHGC (Range: 0 – 1)

Solar heat gain coefficient

  • Proportion of solar heat radiation transmitted
  • Generally lower SHGC is desirable for north and west facing windows for reducing air-conditioning cost in summer
  • However, higher SHGC for north and west facing windows would help reduce heating cost in winter
VLT

VLT (Range: 0 – 1)

Visible light transmittance

  • Proportion of visible light (380 - 720nm) transmitted
  • Generally higher VLT is more desirable
VLRf

VLRf (Range: 0 – 1)

Front Visible light reflectance

  • Proportion of visible light reflected on the external side of the IGU
VLRb

VLRb (Range: 0 – 1)

Back Visible light reflectance

  • Proportion of visible light reflected on the room side of the IGU
Tdw

Tdw-ISO (Range: 0 – 1)

Damage weighted transmittance

  • Proportion of colour fading radiation transmitted
  • Lower Tdw-ISO means lower risk of colour fading
  • Accounts for the colour fading potential of both UV and visible spectrum
Tuv

Tuv (Range: 0 – 1)

UV transmittance

  • Proportion of UV radiation (280 - 380nm) transmitted (Range: 0 – 1)
  • Not recommended as a metric for assessing colour fading potential
  • Visible spectrum could account for as much as 40% of the fading from solar radiation
Sel.

Selectivity (VLT/SHGC)

Ratio of visible light transmittance over solar heat gain coefficient

  • Useful for comparing spectral selectiveness of the low-E coating
  • Higher selectivity means less visible light is sacrificed to lower solar heat gain

Example:

  • Sel. in the 0.5 - 0.8 range results from the use of Grey glass; less visible light is transmitted vs infrared radiation
  • Sel. in the 1.9 - 2.2 range results from the use of LightTech LI Max; less infrared radiation is transmitted vs visible light
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Nom.

Nominal thicknesses (mm)

List of nominal thicknesses of the IGU components separated by the '+' symbol

Example:

17.52:

  • 17.52mm single-pane laminated glass

6+12+6:

  • DGU made up of:
    • 6mm glass
    • 12mm spacer
    • 6mm glass
Total.

Total thickness (mm)

Total thickness of the glazing system; sum of component thicknesses

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