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LINITHERM PGV T – The diffusion-permeable above-rafter thermal insulation system to improve the insulation capacity if there is a vapour barrier and a between-rafter insulation on site

LINITHERM PGV T improves the weak points of a pure between-rafter insulation. The roof construction remains streamlined and stays protected in a dry area. Easy retrofitting in old buildings: attics remain clean and undisturbed while the work is carried out.

In perfect professional quality

  • Vapour barrier class A for roof pitches from 20°
  • Permeable mineral fleece layer on both sides
  • Installed directly on rafters or boarding
  • Tear-resistant diffusion membrane
  • Suitable as a temporary roof covering

For PUR(E) energy saving

  • Insulating core made of PU rigid foam
  • λD 0.025/0.026/0.028 W/(mK)
  • Positive building biology

Over-rafter insulation system - LINITHERM PGV T

Insulation core PU rigid foam acc. to EN 13165, fire behavior class E acc. to EN 13501-1, coated with mineral fleece on both sides
Facing Upper side coated with a diffusible, tear-resistant and slip-resistant membrane, approx. 8 cm transverse and lengthwise overlap plus integrated factory-made sealing band
Edge joints Tongue & groove pressfit joints on all sides
Please note Vapour barrier to be provided and installed on site
Overall dimension 2420 × 1180 mm (= calculation measurement)
Thickness mm λD W/(mK)
acc. to EN 13165
U-value2) W/(m²K)
500.0280.50
600.0280.43
800.0260.31
1000.0260.25
1200.0250.20
1400.0250.17
1600.0250.15
180*0.0250.14
200*0.0250.12
* Possibly with longer delivery times.
1) Roof pitch as specified, and in accordance with the rules of the ZVDH (Central Association of German Roofers).
2) U-value, taking the thermal transfer resistance Rsi=0.1 [m²K/W] and Rse=0.1 [m²K/W] into account.
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