--- title: Van der Valk Solar Systems Blog | Jelco de Deugd --- - [Systems](https://www.valksolarsystems.com/en/solar-mounting-systems) - [Flat roofs](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs) - [Landscape](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs/landscape) - [South](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs/landscape/south) - [ValkPro+ L10 South](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs/landscape/south/valkpro-l10-south) - [East-West](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs/landscape/east-west) - [ValkPro+ L10 East-West](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs/landscape/east-west/valkpro-l10-east-west) - [Portrait](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs/portrait) - [South](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs/portrait/south) - [ValkPro+ P10 South](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs/portrait/south/valkpro-p10-south) - [East-West](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs/portrait/east-west) - [ValkPro+ P10 East-West](https://www.valksolarsystems.com/en/solar-mounting-systems/flat-roofs/portrait/east-west/valkpro-p10-east-west) - [Pitched roofs](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs) - [Roof tiles](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles) - [Standard](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/standard) - [ValkPitched - Clamp](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/standard/valkpitched-clamp) - [ValkPitched - Insert](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/standard/valkpitched-insert) - [Steel](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/steel) - [ValkPitched - Clamp](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/steel/valkpitched-clamp) - [ValkPitched - Insert](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/steel/valkpitched-insert) - [Slate](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/slate) - [ValkPitched - Clamp](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/slate/valkpitched-clamp) - [ValkPitched - Insert](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/slate/valkpitched-insert) - [Plain tile](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/plain-tile) - [ValkPitched - Clamp](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/plain-tile/valkpitched-clamp) - [ValkPitched - Insert](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/plain-tile/valkpitched-insert) - [Mediterranean](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/mediterranean) - [ValkPitched - Boltline](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/roof-tiles/mediterranean/valkpitched-boltline) - [Trapezoidal/ Sandwich](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/trapezoidal-sandwich) - [Clamp](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/trapezoidal-sandwich/clamp) - [ValkPitched - Trapezoidal](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/trapezoidal-sandwich/clamp/valkpitched-trapezoidal) - [Insert](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/trapezoidal-sandwich/insert) - [ValkPitched - Trapezoidal](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/trapezoidal-sandwich/insert/valkpitched-trapezoidal) - [Corrugated sheets](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/corrugated-sheets) - [Fibre](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/corrugated-sheets/fibre) - [ValkPitched - Clamp](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/corrugated-sheets/fibre/valkpitched-clamp) - [ValkPitched - Insert](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/corrugated-sheets/fibre/valkpitched-insert) - [Steel](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/corrugated-sheets/steel) - [ValkPitched - Clamp](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/corrugated-sheets/steel/valkpitched-clamp) - [ValkPitched - Insert](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/corrugated-sheets/steel/valkpitched-insert) - [Standing seam](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/standing-seam) - [Flat](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/standing-seam/flat) - [ValkPitched - Clamp](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/standing-seam/flat/valkpitched-clamp) - [Round](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/standing-seam/round) - [ValkPitched - Clamp](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/standing-seam/round/valkpitched-clamp) - [Bitumen/EPDM/PVC](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/bitumen-epdm-pvc) - [ValkPitched - Clamp](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/bitumen-epdm-pvc/valkpitched-clamp) - [ValkPitched - Insert](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/bitumen-epdm-pvc/valkpitched-insert) - [BirdBlocker](https://www.valksolarsystems.com/en/solar-mounting-systems/pitched-roofs/birdblocker) - [Kits](https://www.valksolarsystems.com/en/solar-mounting-systems/kits) - [Flat roofs](https://www.valksolarsystems.com/en/solar-mounting-systems/kits/flat-roofs) - [Solar ramp](https://www.valksolarsystems.com/en/solar-mounting-systems/kits/flat-roofs/solar-ramp) - [ValkDouble](https://www.valksolarsystems.com/en/solar-mounting-systems/kits/flat-roofs/solar-ramp/valkdouble) - [ValkTriple](https://www.valksolarsystems.com/en/solar-mounting-systems/kits/flat-roofs/solar-ramp/valktriple) - [ValkQuattro](https://www.valksolarsystems.com/en/solar-mounting-systems/kits/flat-roofs/solar-ramp/valkquattro) - [Standard](https://www.valksolarsystems.com/en/solar-mounting-systems/kits/flat-roofs/standard) - [ValkBox3](https://www.valksolarsystems.com/en/solar-mounting-systems/kits/flat-roofs/standard/valkbox3) - [Pitched roofs](https://www.valksolarsystems.com/en/solar-mounting-systems/kits/pitched-roofs) - [Boltline](https://www.valksolarsystems.com/en/solar-mounting-systems/kits/pitched-roofs/boltline) - [ValkBox - Boltline](https://www.valksolarsystems.com/en/solar-mounting-systems/kits/pitched-roofs/boltline/valkbox-boltline) - [ValkCableCare](https://www.valksolarsystems.com/en/valkcablecare) - [Cable basket](https://www.valksolarsystems.com/en/valkcablecare/cable-basket) - [Support block](https://www.valksolarsystems.com/en/valkcablecare/support-block) - [Cable clamps](https://www.valksolarsystems.com/en/valkcablecare/cable-clamps) - 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[Blogs](https://blog.valksolarsystems.com/en/blog) - [FAQ](https://www.valksolarsystems.com/en/service/solar-installation-advice) - [Contact](https://www.valksolarsystems.com/en/van-der-valk-solar-systems/contact) En - [English](https://www.valksolarsystems.com/en) - [Nederlands](https://www.valksolarsystems.com/nl) - [Deutsch](https://www.valksolarsystems.com/de) - [Français](https://www.valksolarsystems.com/fr) - [Español](https://www.valksolarsystems.com/es) - [Svenska](https://www.valksolarsystems.com/sv) Search [+31 174 - 21 22 23](tel:+31174212223) [info@valksolarsystems.nl](mailto:info@valksolarsystems.nl) # Van der Valk Solar Systems Blog ## [Roof construction and the PV-system; what should you watch out for?](https://blog.valksolarsystems.com/en/blog/dakconstructie-en-de-pv-installatie-waar-op-te-letten) Nowadays, [PV-systems on roofs](https://www.valksolarsystems.com/en/service-training/projects) are being examined ever more critically by the interested parties. For example, structural engineers can add requirements, making projects more complex and challenging. In the past few years, we have seen these changes and the critical attitude develop and continue to expand. This very interesting development is something that we would like to draw your attention to in this blog. - [PV-Montagesysteme für Flachdächer](https://www.valksolarsystems.com/de/pv-montagesysteme/flachdacher) - [PV-Montagesysteme für Schrägdächer](https://www.valksolarsystems.com/de/pv-montagesysteme/schragdacher) - [PV-Montagebausätze](https://www.valksolarsystems.com/de/pv-montagesysteme/kits) - [Händler](https://www.valksolarsystems.com/de/handler) - [Downloads](https://www.valksolarsystems.com/de/service-schulungen/downloads) - [Veranstaltungskalender](https://www.valksolarsystems.com/de/service-schulungen/terminkalender) [Calculate your project price quickly and easily! 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