> There are three options we use for outdoor interpretive trails,wayfinding 
> signs,etc: 1)Full color printed graphics using   uv resistent inks or toners. 
> The prints are then laminated and embedded in fiberglass which also filters 
> out harmful uv. The manufacturers of these signs have done much in recent 
> years to reduce yellowing. These signs are inexpensive enough that you can make 
> several copies to swap out when a sign is vandalized or worn out. We have 
> placed signs like this at 10,000' on a mountain top in full sun and they lasted 
> for around 5-7 years on average. 2) Baked enamel signs. These can be full 
> color with photos, graphics, etc and they are inert so they do not fade. They 
> produce rich colors and have a texture to their surface which is quite nice. 
> These signs are very expensive and can be readily vandalized with a rock or some 
> other malicious object. 3) Etched and anodized aluminum signs. These work 
> best with text and line art although we have used aerial photos,portraits and 
> other images with moderate success. You have a choice of about 4 colors to 
> work with. The signs are very long lasting, they fade very little (don't use the 
> red), and are vandal resistent (you can use solvents to celan spray paint 
> off without damaging the sign). Few manufacturers of anodized signs are 
> sophisticated enough to do complex interpretive panels, but it can be done. This is 
> a good choice for long-lasting, low maintenance outdoor signage that doesn't 
> require full-color panels.
> 
From what you have described as your needs, I would think the first option is 
your best choice.
Best,
Chris Musello
Sightworks
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> BlankWhat are the options for outdoor text panels? For our purpose they
> would need to be long lasting, but not permanent -- lasting perhaps three to
> five years. They would need to include text, graphics and photos. I've seen
> many under a foggy layer of yellow plastic laminant, but they seldom look
> good.  Ideas?
> Thanks
> Peter Morelli
> 


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