http://www.prefabhomeparts.com/solarroofshingles.php has some info on the eco friendly benefits of solar roof shingles.
Tamko Metal Roof Shingles Colors
Metal Roofing Vs. Shingles. Myths of Metal Roofing
Love this combo of shingles and metal for roofing. A happy medium for my hubby and me since he's not the fan of metal roofs that I am.
Another metal roofing option.. This site has some good information about metal roofing and DIY.. Just click on the picture to follow the link.
Interlocking Roofing Shingles | Copper Interlocking Shingles | FINE METAL ROOF TECH. Nice option.
metal roof installation | Metal Roof Over Shingles
How to Pick the Right Metal Roof Color: Consumer Guide | MetalRoofing.Systems – Metal Roofing Systems
Popular Metal Roof Colors | 6 On-Trend Shades of the Rustic Shingle Aluminum Roofing System by McCarthy Metal Roofing in Raleigh, NC
<p>need a new roof? covering your existing asphalt shingles with metal roofing might be worth the expense. here are some pros and cons.</p>