For large-scale, heavy-duty coverage, Orion 20' x 100' 6 mil clear poly sheeting provides wide, durable protection in one continuous roll. This construction-grade vapor barrier film is ideal for crawl spaces, under concrete slabs, and full-room containment where you need fewer seams and stronger performance. The 6 mil thickness helps resist tears, punctures, and stretch, even when crews walk across it or materials are moved on top.Planning a big renovation or restoration job? Use this roll to build large dust containment walls, negative-air enclosures, and temporary partitions in residential or commercial spaces. It also serves as a reliable vapor barrier under slabs and in crawl spaces where long-term moisture protection is critical. The clear film keeps areas bright and visible, helping inspectors and supervisors see what's going on behind the barrier. For builders, remodelers, and restoration pros, this roll is a go-to heavy-duty sheeting for big, demanding projects.