Polytex® and Comtex® extra heavy-duty knitted shadecloth have passed 2009 testing for fire resistance performed by the California State Fire Marshal. Both were awarded certificates as “Registered Flame Resistant Products” for meeting the minimum requirements for products identified in Section 13115 of the California Health and Safety Code. Both fabrics also passed NFPA 701 and ASTM E-84 testing. Polytex is a 7 oz./sq. yard fabric designed for use in modular shade structures and shade sails. Comtex is a 10 oz./sq. yard fabric designed for large tension membrane structures and architectural shade sails. Both are available in 13 colors, on 12.5-foot by 100-foot center-folded rolls.