Originally Posted by Ericglo
Why would you say that? He says he is going with a 93" wide screen. A BW should be fine for that size screen unless he want more ft/lmbs.
Which if course he does, I don't think you or anyone else would venture to compare BW to a FireHawk.
Pro...BW's image is actually more Neutral
Con...BW's gain is significantly "lower than".
<<...both share a common issues. Sparklies. The FireHawk is worst....but the BW's are there easily seen. This is the case rolled or sprayed....>>
If size matters, one cannot afford to sacrifice gain.
But hello....the only reference I've seen about "screen size" is that one "bargain" option was a 93" FireHawk. I didn't see 'nuthin' mentioned about the OP not wanting something bigger if possible...something "DIY".
Given the opportunity, coupled with desire, most will go as big as can be accommodated. (...and justified...)
But that won't come very easily if one is starting in a "hole" by shooting onto a sub Unity Gain Screen.
The initial question / fight about the need to introduce Gain into a Gray surface solution to improve brightness "and"
contrast has been thoroughly tested and tried. By DIY'ers and Mfg. So it's pretty much a given that your not going to achieve a comparable level of performance from a .85 - .90 gain screen.
And the bigger he goes, the more emphasis is placed on the above.That's why I would say that.
Have you seen a BW to say that it has graininess or are you just guessing?
Absolutely (I have seen...) I first painted two large examples,1 rolled ( 135") and 1 sprayed, using one of the earliest "Post Henry" AAA formulas. The rolled example showed quite a bit of graininess. The sprayed was significantly better. But "side to side", The sprayed Behr UPW/ SilverScreen looked just as good. With no trace of graininess. Things were looking pretty dim, considering the PJ was a LG-... and after some retrospective consideration, it was adjudged that I was mistakenly told to use a Flat Latex BB Base instead of Interior Enamel
Soon after, the Base paint was changed to Interior Flat Enamel. That brought the BW up to it's present "almost" .90 gain. But it also highlighted the granularity of the Aluminum, especially if rolled.
From what I personally experienced, and judging from what has been reported and published a great many times, I'd suggest that the question of BW's graininess is moot.
But mist important of all, the Op asked specifically about SF as opposed to a Firehawk. BW wasn't even mentioned until..............