High Performance Underslab Vapor Barrier Product Description VaporBlock® is a high performance, multi-layer underslab vapor barrier designed to retard moisture migration through concrete slabs and concrete walls to protect your structure from: • MOLD: VaporBlock® reduces moisture condensation within a structure, impeding the growth of molds, mildews, and fungi. • MOISTURE: VaporBlock® protects flooring materials by maintaining moisture levels well below the requirements of ASTM E-1745-11. • RADON: VaporBlock® is used as a component of radon mitigation systems to protect indoor air quality and occupant health. Vapor Barrier - Commercial VaporBlock® is one of the most effective underslab vapor barriers on the market today! Benefits include: • Ultra low moisture vapor permeability • Industry leading puncture resistance • High tensile tear strength • Resistance to decay VaporBlock® 15 meets an impressive virtually zero-perm rating at less than 0.01 perms after conditioning to exceed requirements in ACI 302.2R06, section 9.3. VaporBlock® is manufactured to strict conformance specifications under our ISO 9001-2008 Certified Management System to consistently exceed ASTM standards and project expectations. Raven's accredited lab ensures VaporBlock® meets the highest possible quality standards across multiple industries. VaporBlock® is supported with independent testing. Results are available upon request, as required under ASTM E-1745-11. VaporBlock® is readily available through nation-wide distribution: APPLICATIONS • Underslab Vapor Retarder/Barrier • Foundation Wall Vapor Retarder • Radon Retarder • Available in 6, 10, and 15 mil for project flexibility • Larger roll sizes equal lower installation costs Raven Industries manufactures VaporBlock® and controls all aspects from start to finish assuring the final product meets our high performance standards. Raven is a publicly-traded company, with over 50 years of stability and service excellence to stand behind our products with a future of innovation and growth. Note: All instructions on architectural or structural drawings should be reviewed and followed. Detailed installation instructions accompany each roll of VaporBlock and can also be located on our website. ASTM E-1643 also provides general installation information for vapor retarders. All VaporBlock series materials can be installed with print or color facing up or down and will provide the same performance. ASTM E-1745-11, "Plastic Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs". © 2014 RAVEN INDUSTRIES INC. All rights reserved.

High Performance Underslab Vapor Barrier Thickness, Nominal Roll Size TEST METHOD Tensile Strength Average MD & TD (New Material) (After Exposure) ASTM E154 Section 7 ASTM E96 Procedure B Puncture Resistance Class A, B, or C Class A = 45 lbs/in Class B = 30 lbs/in Class C = 13.6 lbs/in Minimum Class A = 2200 g Class B = 1700 g Class C = 475 g Minimum (After Conditioning) 1 Referencing ASTM E1745-11, Standard Specification for Plastic Water Vapor Retarders Used in Contact with Soil or Granular Fill under Concrete Slabs VaporBlock® can be identified as blue or blue/white in color printed with the...