milgard u-factor

[michaelc]

Can anyone tell me what the u-factor on a horizontal double slider milgard classic vinyl window with low-e, argon,tempered glass, obscured?
Thanks

[InfoSponge]

The performance data for the classic line windows is detailed here:
http://www.milgard.com/_doc/products/vi ... lassic.pdf

It looks like u=.35 with softcoat low E and the intercept spacer.