When you need to cover massive areas with maximum strength, string-reinforced 40' x 100' clear poly sheeting steps in. This extra-wide scrim-reinforced film is ideal for large crawl spaces, under-slab vapor barriers, scaffold wraps, and huge dust containment builds. The 40-foot width drastically reduces seams, installation time, and potential weak points in your barrier.Facing strong winds, constant contact, or heavy traffic? The internal reinforcement grid boosts tear resistance and containment reliability, making it an excellent choice for big industrial projects, warehouses, and multi-bay enclosures. Clear reinforced film allows light through and keeps operations visible behind the barrier. For large-scale contractors who need strong, wide, and efficient coverage, this roll offers a high-performance solution for the toughest containment jobs.