I've been looking into a DIY solar install for a couple of reasons, but the prime one is money. I have a standing seam metal roof with a 9/12 pitch (about 37 degree slope).
That roof pitch is near ideal from winter solar heating given my location, but one solar company said their guys wouldn't climb my roof and a couple of others have added on significant "steep roof" surcharges. Basically parts cost of ~$2K, installed price between $5K and $6K.
So, DIY is looking attractive.
Putting holes in the roof voids my warranty, so that method of attachment is out. I've been looking into S-5 clamps, but am more than willing to look into alternatives if anyone knows of a suitable substitute.
The standing seam ridges are 15" apart, and this does not match up well with the solar panels. As a result, I think I will build some sort of rack, or at least some sort of thin strip (maybe angle) to attach to the roof seams and to which the panels can be bolted.
Considering SunStar/Heliocol simply because they require fewer attachment points than FAFCO or the FAFCO clones.
Criticism of my ideas, alternatives, etc all welcome at this stage.