[VLM]

I had these on my roof until recently

http://www.certainteedshinglesettlement.com/

I would imagine the failure modes are similar. They are marketed and guaranteed for 30 years, you actually get like 5 years, whoops.

[_delirium]

Bit of an aside, but oddly there seem to be two entirely different large shingle settlements within a few years. In addition to the one you linked, this one is currently in the process of settlement approval: http://www.roofsettlement.com/