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Optimal Efficiency Solar Panels
The SlimFix(XT) Solar roof system in practice.

Optimal efficiency Solar panels

Solar panels applied as an in-roof system create a beautiful aesthetic roof. But how does this affect the roof structure? Insulation specialist IsoBouw, with the SlimFix(XT) Solar roof system, supplies the first insulating roof elements that are fully geared to the high requirements for the application of solar panels.

Marketing Manager Gerard Sleegers: "A house produces moisture that must be able to leave the house partly due to the roof construction. PV panels, however, are vapor-tight. So a roof with integrated PV panels must be ventilated extra well to avoid moisture problems under the PV panels and in the roof construction." 

Ventilation challenge with in-roof system

"An in-roof system develops more heat than a free-standing system," Sleegers continued. "The efficiency drops because of this. There is also limited space under the panels. PV manufacturers therefore require a space of at least 100 mm between the panels and the roof surface for ventilation, cooling and to allow condensation moisture to evaporate. Too limited space under the panel and insufficient ventilation contribute to extreme temperatures under the PV system." 

Unfortunately, a waterproof roof that ventilates well is not a given, according to Sleegers. "Especially if the PV panels are to form the waterproof layer, this is still sometimes a challenge because connections between panels are made watertight. That comes at the expense of ventilation between the panels." 

RenoSolar USPs final v03
Extreme temperatures under the panels are prevented and condensation moisture can evaporate.

The solution

IsoBouw's SlimFix Solar system is an insulating and water-resistant "solar panel platform" to which all common PV panels and mounting systems can be directly attached. 

"The system consists of insulating roof
elements combined with a patented waterproofing carpet pad that makes the roof construction completely waterproof. The special profiling ensures guaranteed ventilation of the substructure and optimal ventilation and cooling of the solar panels. The IsoBouw Solar roof system is the only system which, in accordance with the installation requirements of the PV panel manufacturers, achieves the minimum distance of 100 mm between the PV panels and the substructure. This prevents extreme temperatures under the panels and allows condensation moisture to evaporate. This ensures a longer life of the roof and a higher yield from the PV panels. 

The Solar system is available with different types of roofing sheets: SlimFixXT Solar for new construction and SlimFix Solar or SlimFix RenoTwin Solar for renovation.    

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