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Uw Values for the Composite Sliding Door

When purchasing a new composite sliding door, insulation and energy efficiency are some of the most important parameters. Uw values – also known as heat transfer coefficients – can help to find the perfect frame and glazing types. The transfer coefficient defines the loss of energy through solid materials, caused by heat differences. The smaller these Uw values are for a composite sliding door, the less energy that will be lost through the doorway.

IDEALU IV 68

Uw-values profile IDEALU IV 68

Wood type spruce

Ug glazing Uf frame Uw sliding door
Insulation glazing edge compound e.g. aluminium[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. TGI[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. Swisspacer Ultimate[W/m2K]
1,1 1,1 1,2 1,2 1,1
1,0 1,1 1,2 1,1 1,1
0,7 1,1 1,1 1,0 1,0
0,6 1,1 1,0 1,0 (0,98) 1,0 (0,96)
Table of Uw values for Idealu IV 68 profiles according to DIN EN ISO 10077-1, see comments 1) 2) 3)

Wood type pine, larch, meranti

Ug glazing Uf frame Uw sliding door
Insulation glazing edge compound e.g. aluminium[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. TGI[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. Swisspacer Ultimate[W/m2K]
1,1 1,2 1,3 1,2 1,2
1,0 1,2 1,2 1,2 1,1
0,7 1,2 1,1 1,0 1,0
0,6 1,2 1,1 1,0 1,0 (0,99)
Table of Uw values for Idealu IV 68 profiles according to DIN EN ISO 10077-1, see comments 1) 2) 3)

Wood type oak and eucalyptus

Ug glazing Uf frame Uw sliding door
Insulation glazing edge compound e.g. aluminium[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. TGI[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. Swisspacer Ultimate[W/m2K]
1,1 1,5 1,3 1,3 1,2
1,0 1,5 1,3 1,2 1,2
0,7 1,5 1,2 1,1 1,1
0,6 1,5 1,1 1,1 1,1
Table of Uw values for Idealu IV 68 profiles according to DIN EN ISO 10077-1, see comments 1) 2) 3)

IDEALU IV 68 - profile cut

IDEALU IV 78

Uw-values profile IDEALU IV 78

Wood type spruce

Ug glazing Uf frame Uw sliding door
Insulation glazing edge compound e.g. aluminium[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. TGI[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. Swisspacer Ultimate[W/m2K]
1,1 1,1 1,2 1,2 1,1
1,0 1,1 1,2 1,1 1,1
0,7 1,1 1,1 1,0 1,0 (0,99)
0,6 1,1 1,0 1,0 (0,97) 1,0 (0,95)
Table of Uw values for Idealu IV 78 profiles according to DIN EN ISO 10077-1, see comments 1) 2) 3)

Wood type pine, larch, meranti

Ug glazing Uf frame Uw sliding door
Insulation glazing edge compound e.g. aluminium[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. TGI[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. Swisspacer Ultimate[W/m2K]
1,1 1,2 1,3 1,2 1,2
1,0 1,2 1,2 1,2 1,1
0,7 1,2 1,1 1,0 1,0
0,6 1,2 1,1 1,0 1,0 (0,99)
Table of Uw values for Idealu IV 78 profiles according to DIN EN ISO 10077-1, see comments 1) 2) 3)

Wood type oak and eucalyptus

Ug glazing Uf frame Uw sliding door
Insulation glazing edge compound e.g. aluminium[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. TGI[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. Swisspacer Ultimate[W/m2K]
1,1 1,5 1,3 1,3 1,2
1,0 1,5 1,3 1,2 1,2
0,7 1,5 1,2 1,1 1,1
0,6 1,5 1,1 1,1 1,1
Table of Uw values for Idealu IV 78 profiles according to DIN EN ISO 10077-1, see comments 1) 2) 3)

IDEALU IV 78 - profile cut

PLANO

Uw-values profile PLANO

Wood type spruce

Ug glazing Uf frame Uw sliding door
Insulation glazing edge compound e.g. aluminium[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. TGI[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. Swisspacer Ultimate[W/m2K]
1,1 1,1 Not possible in this system. Not possible in this system. Not possible in this system.
1,0 1,1 Not possible in this system. Not possible in this system. Not possible in this system.
0,7 1,1 1,1 1,0 1,0
0,6 1,1 1,1 1,0 1,0 (0,98)
Table of Uw values for Idealu PLANO profiles according to DIN EN ISO 10077-1, see comments 1) 2) 3)

Wood type pine, larch, meranti

Ug glazing Uf frame Uw sliding door
Insulation glazing edge compound e.g. aluminium[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. TGI[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. Swisspacer Ultimate[W/m2K]
1,1 1,2 Not possible in this system. Not possible in this system. Not possible in this system.
1,0 1,2 Not possible in this system. Not possible in this system. Not possible in this system.
0,7 1,2 1,1 1,1 1,0
0,6 1,2 1,1 1,0 1,0
Table of Uw values for Idealu PLANO profiles according to DIN EN ISO 10077-1, see comments 1) 2) 3)

Wood type oak and eucalyptus

Ug glazing Uf frame Uw sliding door
Insulation glazing edge compound e.g. aluminium[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. TGI[W/m2K]
Uw sliding door
Insulation glazing edge compound e.g. Swisspacer Ultimate[W/m2K]
1,1 1,5 Not possible in this system. Not possible in this system. Not possible in this system.
1,0 1,5 Not possible in this system. Not possible in this system. Not possible in this system.
0,7 1,5 1,2 1,1 1,1
0,6 1,5 1,2 1,1 1,1
Table of Uw values for Idealu PLANO profiles according to DIN EN ISO 10077-1, see comments 1) 2) 3)

PLANO - profile cut

  1. Reference size 3500 x 2180mm
  2. Calculated according to DIN EN 10077-2 : 2012-06 "Thermal performance of windows, doors and shutters - Calculation of the thermal transmittance".
  3. Values taken from data sheet of the "warm edge" working group

The issue of energy saving has never been as important as now since wasted energy is wasted money windows and sliding doors featuring large glass inserts allow light to enter the house, but they can also allow heat to escape. This is why thermal insulation is a very important factor with these building elements.

Heat transfer coefficient values describe the specific parameters of a component part; a wooden sliding door in this case. The parameters are defined by the thermal conductivity and thickness of the material. The lower the heat transfer coefficient, the better the thermal insulation properties.

The glazing plays a significant role in achieving the best possible Uw values for a wooden sliding door.

A double glazing helps to reduce energy loss through the window. In order to additionally improve thermal conductivity, it is possible to insert gas into the space between individual panes of the double glazing.

Due to its weak thermal transmittance, the gas infill decreases the rate of energy exchange between air and the glazing element, thus preventing thermal energy from escaping.


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