Weight (per sq. yd.). Width / Length / Weight (per sq. yd.). / Thickness / Color - 6' (1.8m) 6' (1.8m) 16 oz. 0.125" Black. Certification: ANSI/FM 4950|ANSI 4950The Wilson series of Welding Curtains and High-Temperature Fabrics by Jackson Safety has made significant contributions to advancing industrial barrier protection since the 1950s.