The weight of the new Dome V System itself on the roof is 2.1 kg/m², without any additional ballast and also excluding PV modules. How much force is needed to press one of the EPDM pads flat on ...

while a flat roof finished with traditional EPDM rubber will be much shorter and require recovering every 20-30 years, ...

EPDM (ethylene propylene diene monomer) is a roofing material that is best known for its durability and suitability with flat roofs, so if that's what you need for your roof, it's worth considering.