VaporBock is a high performance underslab vapor retarder. VaporBlock cost-effectively controls moisture within a building’s interior by preventing water vapor from permeating concrete. Made from state-of-the art polyethylene resins, VaporBlock greatly reduces condensation and the potential for mold formation in a building’s interior, helping to protect flooring and furnishings form moisture migration. VaporBlock installation helps ensure quality construction and energy savings in building projects.
- Concrete slabs
- Crawl Spaces
- Foundation Walls
- Ground Cover
| Certified Properties | ASTM | 6 Mil | 10 Mil | 15 Mil |
| Nominal Thickness | D-5994 | 6 mil | 10 mil | 15 mil |
| Weight per MSF | D-751 | 29 lb | 49 lb | 73 lb |
| Classification | E-1745 | Class C | Class A | Class A |
| Tensile Strength, new material | E-154 | 32 lb/in. | 52 lb/in. | 60 lb/in. |
| Tensile Strength, after soaking | E-154 | 25 lb/in. | 53 lb/in. | 61 lb/in. |
| Puncture Resistance | D-170 | >1500 g | >2600 g | >3000 g |
| Maximum Use Temperature | 180°F | 180°F | 180°F | |
| Minimum Use Temperature | -70°F | -70°F | -70°F | |
| Water Vapor Permeance (perms) | E-154 | 0.090 | 0.0146 | 0.01 |