Now offering Roman shades made with solar fabrics. Solar fabrics don't require any liner on the backside. Theses fabrics are great for privacy and for sun and temperature control. Here's a little info taken from the Sheerweave website :

"SheerWeave® Interior Fabrics

Natural light can enhance the function of any room with proper sun management. Phifer’s SheerWeave fabrics are designed to provide high performing solutions to the sun’s harsh rays. Our broad range of sun control fabrics reduce solar heat gain, protect against damaging UV and improve the comfort of any interior space. Suitable for the home, office, business, hospitality, healthcare, education, government and retail locations SheerWeave fabrics are durable and easy to maintain. Quality made in the United States, SheerWeave fabrics are the perfect complement to any decor."

Check out their website for more information:

http://www.phifer.com/sun-control/interior/features/

Below are some fabrics that I have available to make Roman shades with. You may choose from 1%, 5% and 10% openness. The higher the number, the more sunlight will shine though.