Improper fastening of the roof tiles – Your assessment

The damage is as follows:

[...] and storm damage caused by storm Sabine. Several tiles were damaged/lifted by this storm, especially on the verge.

The tile manufacturer provides installation instructions. I know they are, of course, not binding; the technical rules of the DDH, as far as I understand, are binding.

The local roofer is a third party, exactly. He was commissioned as quickly as possible because there is an obligation to minimize damage and to secure traffic safety. The original roofer belongs to the house builder’s crew (from southern Germany), thus is not independent. As mentioned, the latter has already been informed by us, and we are currently waiting for feedback.

A picture is worth a thousand words...

The following feedback was received:

[...]
Basically, storm damage is not covered under warranty.
However, you informed us that your tiles are not all fastened. There are regional regulations that specify how storm clips, for example, must be installed.
In your case, Zone 1 is required, and every third tile is secured with a storm clip.
The storm clip does not require screwing. Therefore, the execution is correct.
If you need an offer for your insurance, you are welcome to contact our modernization department.

So either the caseworker did not read properly and did not realize that we are talking about the verge tiles, for which there are indeed stricter regulations, or the two roofers we consulted, including myself, are mistaken.

At this point, I can only ask again: How do you assess this situation?

Ortgang tiles are usually all screwed, not just clipped...

Just reply that it is about the [Ortgangziegel] and regional craftsmen confirm that all of them need to be fastened. And therefore you maintain your warranty claim.

Just reply that it’s about the ridge tiles and regional craftsmen confirm that all of them have to be fixed.
And therefore you maintain your warranty claim.

Exactly, I just did that. Nevertheless, I am of course still interested in your view on the whole matter.