This 6-mil clear polyethylene sheeting delivers 1,200 square feet of coverage per roll. Montana contractors rely on it for moisture barriers, concrete curing, and job site protection. The 12-foot width and 100-foot length means fewer seams and faster installation — critical when racing Montana weather windows.
Coverage and Moisture Performance
At 6 mil thickness (0.006 inches), each roll covers 1,200 square feet and weighs between 23-35 pounds depending on manufacturer density. That’s substantial coverage from a single roll. The Low-Density Polyethylene (LDPE) construction provides the flexibility contractors need for conforming to irregular surfaces while maintaining heavy-weight construction grade density.
The moisture barrier performance hits the sweet spot for crawl space vapor barriers and under-slab protection. As an effective vapor barrier and dust shield, it blocks ground moisture from penetrating into living spaces — essential in Montana where spring snowmelt saturates soils for weeks. Unlike thinner 4-mil options that tear during installation, this material resists puncturing, tearing, and ripping during light to medium-duty use.
| Specification | Value |
|---|---|
| Coverage | 1,200 sq. ft. per roll |
| Dimensions | 12 ft x 100 ft |
| Thickness | 6 mil (0.006 inches) |
| Weight | 23-35 lbs per roll |
| Material | Low-Density Polyethylene (LDPE) |
Installation Reality Check
The 12-foot width requires two-person handling — not a solo job. But that width advantage pays off in reduced seaming time. Cutting is straightforward with a utility knife or heavy-duty scissors. For vapor barrier applications, overlap seams by at least 6 inches and use construction-grade tape (duct, painter’s, or specialized vapor barrier tape) for airtight seals.
The material works across all standard surfaces: wood, concrete, drywall, soil, metal, and plastic. Secure it with staples for temporary wood framing or weights/stakes for ground cover. The flexibility makes it easy to unroll, cut, and shape around obstacles — critical when dealing with plumbing penetrations in crawl spaces.
Multi-Use Applications That Matter
Montana contractors get mileage from this product’s versatility:
For construction sites, it serves as moisture/vapor barrier under concrete slabs or in crawl spaces, temporary wall/room sealing, and dust and debris containment. During concrete pours, it meets ASTM C171 specification for sheet materials used for curing concrete. That certification matters when inspectors show up.
The clear material allows for sealing windows, doors, and screened porches against wind and rain while covering firewood, lumber, or outdoor equipment. The translucent appearance lets enough light through for visibility while protecting materials — though customers report it’s more “milky” than crystal clear.
For agricultural operations common across Montana, it provides greenhouse or hoop house coverings (temporary), winterizing chicken coops or animal shelters, and covering silage/feed. The multi-purpose design handles both indoor and outdoor temporary applications.
The Reality vs. Premium Options
Compared to other 6-mil alternatives, this provides comparable thickness and durability. Some premium options offer enhanced features like UV stabilization or reinforcement. For permanent installations or extreme conditions, contractors might spec thicker material. But for standard vapor barriers, temporary protection, and concrete curing, this 6-mil performs reliably.
Unlike UV-stabilized greenhouse plastic designed for multi-year sun exposure, standard Visqueen becomes brittle in 6-12 months of direct sunlight. Montana’s intense UV at elevation accelerates degradation. For permanent outdoor applications, look elsewhere. For temporary coverage and protected installations, it performs as expected.
Bottom Line for Montana Contractors
This Visqueen delivers what contractors need: reliable moisture protection, decent durability, and enough coverage to minimize seams. The ASTM certifications (D4397 for construction applications, C171 for concrete curing, D2103 for polyethylene sheeting) check the compliance boxes. At 1,200 square feet per roll with 6-mil thickness, it handles crawl space vapor barriers, concrete protection, and temporary weatherization effectively.
The two-person handling requirement and milky appearance are minor trade-offs for the coverage area and versatility. Smart contractors keep rolls on hand for everything from emergency window sealing to scheduled concrete pours.
FAQ
What’s included with each roll? One continuous roll of 12’ x 100’ 6 mil clear plastic sheeting with protective cardboard core and outer shipping box.
How long does it last outdoors? Standard clear Visqueen becomes brittle in 6-12 months of direct sunlight exposure. For permanent outdoor use, choose UV-stabilized alternatives.
What certifications does it meet? ASTM D4397 (polyethylene sheeting for construction), ASTM C171 (concrete curing materials), and ASTM D2103 (polyethylene film specifications).
Can one person install it? The 12-foot width requires two people for easier handling during unrolling and positioning.
What about fire safety? Standard 6 mil clear typically does not meet fire safety standards like NFPA 701. Only specific ‘FR’ versions with fire retardant additives meet these requirements.
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