Vapor Retarder/Barrier Guideline

Product catalog summary

Introduction
Raven Industries provides guidance on selecting and installing water vapor retarders/barriers to prevent moisture issues in concrete slab-on-grade constructions. Proper installation is crucial to avoid problems like adhesion breakdown, warping, and mold growth.

Specifications and Standards
The document highlights the importance of selecting vapor retarders/barriers that meet ASTM E-1745-11 standards, which classify these products into Class A, B, and C based on tensile strength, puncture resistance, and water vapor permeance. Class A has the highest requirements.

Product Offerings
Raven Industries offers VaporBlock® products that exceed ASTM E-1745-11 requirements. These products are available in various thicknesses (6, 10, and 15 mil) and are designed to resist moisture migration. VaporBlock® Plus™ 20 is noted for its superior resistance to gas and moisture transmission.

Installation Guidelines
Installation should follow ASTM E 1643 guidelines and comply with local regulations. The document advises selecting barriers based on site conditions and stresses minimizing damage during installation to maintain barrier integrity.

Performance and Benefits
Raven's vapor retarders/barriers are made from high-strength polyethylene, offering resistance to moisture and gas migration, including radon and methane, ensuring quality construction and energy savings.

Conclusion
Raven Industries' vapor retarders/barriers provide reliable solutions for controlling moisture and gas migration, ensuring long-term protection and performance. The document emphasizes thorough research and consideration of product specifications to prevent moisture-related issues.

Catalog excerpts

Raven Industries, Inc. • P.O. Box 5107 • Sioux Falls, SD 57117-5107 Phone: 605-335-0174 • Fax: 605-331-0333 • Web Site: www.vaporblock.com 800-635-3456 © 2013 RAVEN INDUSTRIES INC. All rights reserved.

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STRAIGHT TALK ABOUT WATER VAPOR RETARDERS/BARRIERS INSTALLATION GUIDELINES Visit our website for current technical data sheets as well as detailed installation guidelines at www.vaporblock.com and click on the appropriate link under the left menu. Note: Please refer to ASTM E 1643 (Standard Practice for Installation of Water Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs) and the appendixes that accompany this standard to provide additional installation information. Please follow all architectural drawings/instructions and conform to all applicable local, state...

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VAPOR/GAS BARRIERS. VAPOR RETARDERS/BARRIERS. VAPORBLOCK® 6, 10 & 15 Part # VB 6 (6 mil Blue) Part # VB 10 (10 mil Blue) Part # VB 15 (15 mil Blue/White) RAVEN UNDERSLAB VAPOR / GAS BARRIERS VaporBlock® 6, 10 & 15 are high performance underslab vapor retarders/barriers designed to retard moisture migration through concrete slabs-on-grade. VaporBlock® is made from state-of-the-art polyethylene resins that provide superior physical and performance properties that far exceed ASTM E-1745-11 (Plastic Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs) Class A, B...

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Before you buy or specify a water vapor retarder/barrier, separate what’s Selecting a water vapor retarder/barrier best suited for your application. (Note: Sites containing a potential risk for gas migration through the slab-on-grade or Brownfield sites; please contact Raven Industries for further information on our underslab gas barriers .) UNDER CONCRETE SLAB (Moisture Vapor Retarder/Barrier) • Has the vapor retarder/barrier been tested for resistance to deterioration from contact with soil and still maintains a 0.1 Perm or less (ASTM E 154 Section 13)? In many cases, an engineer will prefer...

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