Translations:Mounting system types/33/en
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- Site specific. Only typically appropriate for roofs with a low angle (flat) or fenced-in/secure areas.
- Theft can be relatively easy.
- Requires a an appropriate ballast racking structure that either must be bought or custom fabricated beforehand.
- Roof structure must be able to support the additional weight of the concrete blocks.
- Requires a significant number of concrete blocks to be purchased or fabricated on-site.