ROOF COVERING SYSTEM, AND ROOF COVERING AND SUPPLY MEANS FORMING PART OF THIS SYSTEM
摘要
<p>The invention relates to a roof covering system comprising a roof covering manufactured from at least two layers of plastic foil and provided with at least one connection point, via which air and/or a liquid can be fed between the at least two layers. The system further comprises supply means for feeding air and/or a liquid between the at least two layers.</p>
