On 2010-04-02, JimT wrote:

I used the white ones. My neighbor has the brown ones and they were holding
up well. I think they have to be installed correctly or they'll warp. When
the roofers re-did his roof they refused to reinstall them and now they are
warped. Prior to that they looked fine. If they are in a really hot area
they may not be a good choice.

They are not as easy to install as the literature would lead you to believe.
They were an 8 on the curse-o-meter and I don't like spending that much time
on a ladder.

I don't see how they can be installed "incorrectly." It's just a one
piece unit.

They only choice that I had was whether or not to tuck them under the
shingles, which I didn't do since the pictures showed them laying *on
top* of the shingles.