Featured in Connected to quality – 04-2020

‘We’re better off without standards’

Many factors are important in ballasting flat roof systems, such as wind speed and roof shape. In the past, however, wind force has unfortunately been underestimated, says wind expert Hans Ruscheweyh. pv magazine addressed this topic in a recent webinar with initiative partner Schletter, and drew several interesting points from the discussion.

By

pv magazine

06 Apr 2020

Image: Maxsolar

Correct ballasting of rack-mounted flat-roof PV systems is about using as little weight as possible, but as much as necessary. Every extra kilogram on the roof reduces the probability that the system can be installed on a building with limited load reserves. But too little weight – and more importantly, too little ballast at crucial …

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