Green Vinyl Welding Curtain 1.8 x 1.8m - Increase productivity by creating a quiter, safer and cleaner work place. LAVAshield welding screens are made with specially formulated vinyl 16 mil. (0.4 mm) thick to meet OSHA standards and CPAI-84 California Fire Marshall requirements. Screens are transparent and resistant to UV rays, flame and abrasion. Kevlar sewn with 12" interval grommets.