U-values media library
The U-value of a sealed unit is determined by the elements that are used to make up the sealed unit. The lower the U-value the better insulation performance of the unit, which is why our customers often want lower U-values, because they are proof of better performing products.
Just because a unit is triple glazed, it doesn’t necessarily mean that it will have a lower U-value when compared to double glazing. The U-value is determined by the countless combinations of elements that go to make up a sealed unit. We’ve included some examples to show you this below.
Click on ‘Double Glazed‘ or ‘Triple Glazed‘ tabs below to see examples of those units. The example specifications are ranked firstly by unit size and then by U-value.
Sealed Unit Width | U-values | Example Specification (Click below to view PDF) |
---|---|---|
24mm | 1.0 | 4mm clear – 16Argon – 4mm Planitherm One 1.0 U-value |
24mm | 1.2 | 4mm clear – 16Argon – 4mm Planitherm T+ 1.2 U-value |
28mm | 1.1 | 4mm clear – 20Argon – 4mm Planitherm One 1.1 U-value |
28mm | 1.2 | 4mm clear – 20Argon – 4mm Planitherm T+ 1.2 U-value |
Sealed Unit Width | U-value | Example Specification (Please click below to see PDF) |
---|---|---|
28mm | 1.0 | 4mm clear – 8Argon – 4mm Planitherm T+ – 8Argon – 4mm Planitherm T+ 1.0 U-value |
28mm | 1.3 | 4mm clear – 8Argon – 4mm clear – 8Argon – 4mm Planitherm T+ 1.3 U-value |
36mm | 0.4 | 4mm clear – 12Krypton – 4mm Planitherm One – 12Krypton – 4mm Planitherm One 0.4 U-value |
36mm | 0.8 | 4mm clear – 12Argon – 4mm Planitherm T+ – 12Argon – 4mm Planitherm T+ 0.8 U-value |
44mm | 0.5 | 4mm clear – 16Argon – 4mm Planitherm One – 16Argon – 4mm Planitherm One 0.5 U-value |
44mm | 0.6 | 4mm clear – 16Argon – 4mm Planitherm T+ – 16Argon – 4mm Planitherm T+ 0.6 U-value |
Planitherm Total+ data sheets
- 4 clear 20Ar 4 PT+ 4 Diamant low iron 20Ar 4 PT+
- 6.4clear 18Ar 4PT+ 6.8clear 18Ar 4PT+ 4mm clear 18Ar 6.4PT+
- 6 clear 16Ar 6 PT+ U-1.2 6 diamant 16Ar 6 PT+ U-1.2 6.4clear 16Ar 6PT+ 6.8clear 16Ar 6PT+
- 6.8 Ac clear 18Ar 4PT+ 6.8 Ac clear 16Ar 6PT+ 6.8Ac lam 16Ar 6.4PT+
- 10 clear 12Ar 6 PT+ U-1.2 6 clear 12Ar 10 PT+ U-1.2 6.4clear 12Ar 10 PT+ 6.8clear 12Ar 10 PT+
Planitherm One data sheets
Triple Glazing U-value data sheets
Triple Glazed data sheets ARGON (Ar) gas filled
Planitherm Total+ (PT+) Planitherm One (P1)
- 28mm 4-8-4-8-4 clear clear PT+ Ar U-1.3 28mm 4-8-4-8-4 clear clear P1 Ar U-1.3
- 28mm 4-8-4-8-4 clear PT+ PT+ Ar U-1.0 28mm 4-8-4-8-4 clear P1 P1 Ar U-0.9
- 32mm 4-10-4-10-4 clear PT+ PT+ Ar U-0.9 32mm 4-10-4-10-4 clear P1 P1 Ar U-0.8
- 36mm 4-12-4-12-4 clear PT+ PT+ Ar U-0.8 36mm 4-12-4-12-4 clear P1 P1 Ar U-0.7
- 40mm 4-14-4-14-4 clear PT+ PT+ Ar U-0.7 40mm 4-14-4-14-4 clear P1 P1 Ar U-0.6
- 44mm 4-16-4-16-4 clear PT+ PT+ Ar U-0.6 44mm 4-16-4-16-4 clear P1 P1 Ar U-0.5
Triple Glazing data sheets, ARGON gas filled with 6.4 & 6.8 clear laminate outer pane
- 28.4mm 6.4-6-4-8-4 clear PT+ PT+ Ar U-1.1 28.4mm 6.4-6-4-8-4 lam clear P1 P1 Ar U-1.0
- 28.8mm 6.8-6-4-8-4 clear PT+ PT+ Ar U-1.1 28.8mm 6.8-6-4-8-4 lam clear P1 P1 Ar U-1.0
- 30.4mm 6.4-8-4-8-4 clear PT+ PT+ Ar U-1.0 30.4mm 6.4-8-4-8-4 lam clear P1 P1 Ar U-0.9
- 30.8mm 6.8-8-4-8-4 clear PT+ PT+ Ar U-1.0 30.8mm 6.8-8-4-8-4 lam clear P1 P1 Ar U-0.9pdf
- 32.4mm 6.4-10-4-8-4 clear PT+ PT+ Ar U-0.9 32.4mm 6.4-10-4-8-4 lam clear P1 P1 Ar U-0.9
- 32.8mm 6.8-10-4-8-4 clear PT+ PT+ Ar U-0.9 32.8mm 6.8-10-4-8-4 lam clear P1 P1 Ar U-0.9pdf
- 36.4mm 6.4-10-4-12-4 clear PT+ PT+ Ar U-0.8 36.4mm 6.4-10-4-12-4 lam clear P1 P1 Ar U-0.7
- 36.8mm 6.8-10-4-12-4 clear PT+ PT+ Ar U-0.8 36.8mm 6.8-12-4-10-4 lam clear P1 P1 Ar U-0.7pdf
- 40.4mm 6.4-14-4-12-4 clear PT+ PT+ Ar U-0.7 40.4mm 6.4-12-4-14-4 lam clear P1 P1 Ar U-0.6
- 40.8mm 6.8-14-4-12-4 clear PT+ PT+ Ar U-0.7 40.8mm 6.8-14-4-12-4 lam clear P1 P1 Ar U-0.6pdf
- 44.4mm 6.4-14-4-16-4 clear PT+ PT+ Ar U-0.7 44.4mm 6.4-16-4-14-4 lam clear P1 P1 Ar U-0.6
- 44.8mm 6.8-14-4-16-4 clear PT+ PT+ Ar U-0.7 44.8mm 6.8-16-4-14-4 lam clear P1 P1 Ar U-0.6pdf
Triple Glazing data sheets, KRYPTON (Kr)gas filled
- 28mm 4-8-4-8-4 clear PT+ PT+ Kr U-0.7 28mm 4-8-4-8-4 clear P1 P1 Kr U-0.6
- 32mm 4-10-4-10-4 clear PT+ PT+ Kr U-0.6 32mm 4-10-4-10-4 clear P1 P1 Kr U-0.5
- 36mm 4-12-4-12-4 clear PT+ PT+ Kr U-0.5 36mm 4-12-4-12-4 clear P1 P1 Kr U-0.4
Triple Glazing data sheets, KRYPTON gas filled with 6.4 & 6.8 clear laminate outer pane
- 36.4mm 6.4-10-4-12-4 lam clear PT+ PT+ KrU-0.6 36.4mm 6.4-10-4-12-4 lam clear P1 P1 Kr U-0.5
- 36.8mm 6.8-10-4-12-4 lam clear PT+ PT+ Kr U-0.6 36.8mm 6.8-10-4-12-4 lam clear P1 P1 Kr U-0.5
- 38.4mm 6.4-12-4-12-4 lam clear PT+ PT+ Kr U-0.5 38.4mm 6.4-12-4-12-4 lam clear P1 P1 Kr U-0.4
- 38.8mm 6.8-12-4-12-4 lam clear PT+ PT+ Kr U-0.5 38.8mm 6.8-12-4-12-4 lam clear P1 P1 Kr U-0.4