Polyfab™ shade sail fabric is an advanced solar shadecloth designed for tension membrane structures and architectural shade sails. Incorporating the best BASF UV stabilizers available, Polyfab™ fabrics provide excellent protection against solar heat gain and damaging ultra violet rays. These exceptional outdoor fabrics are also lead-free, 100% recyclable and meet fire standards NFPA 701 – 2010 and ASTM E-84 (Class 1 or A rating). Available in 19 vibrant colors. Shade factors range from 75% (white) to 96% (black), depending on the color. See these factors and other technical specifications on the downloadable color chart below.