Technical support
The Insulation Studio offers advice and technical support in the selection and application of membranes. You can see correct installation procedures in the individual instructional videos.
Insulation Studio
Provides technical support for choosing and applying membranes for companies, builders and designers.
Instructional videos
Instructional videos clearly demonstrate the correct procedure for finishing roof details.
Frequently asked questions
The welding window for PVC membranes is quite wide — roughly from 480 °C to 600 °C. Before welding, we recommend determining the optimal temperature with a test seam by adjusting the welder's temperature, feed speed and pressure-roller load, while also taking the outside temperature into account. Start at around 520 °C and find the limit values at which the membrane already burns or, conversely, at which the seam no longer holds and peels apart. This way you will obtain the real welding window; the optimal welding temperature lies in the middle of this range. Note that it may change during the day as the surrounding air temperature rises.
For low-slope roofs, a system PVC profile is used to fasten the PV panels — it is hot-air welded to the membrane and, thanks to its metal reinforcement, allows the photovoltaic panels to be fixed without perforating the roofing membrane.
Our portfolio includes build-ups with the most commonly used roof thermal insulations such as mineral wool, PIR insulation and polystyrene. With the mechanically fastened FATRAFOL 810/V membrane, a 120 g/m² glass-fleece separation layer must be used over the polystyrene to achieve the BROOF(t3) classification of the build-up. If the roof is to support photovoltaics, it is advisable to use polystyrene with high compressive strength — 200 kPa. Its total thickness can be up to 700 mm.
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