Can everyone chime in on what your exp. have been with man made products fading in the sun (not a shade install) such as SRWs (any brands, pavers and cultured stone.)? It seems that when I ask this question to the manuf. they all say no fading but I looked at veralok and there brown seems pink and I think it is because of fading. . Has anyone had alot of fading (over 5 year installed)?