The Global Underslab Vapor Barriers Market was valued at USD 1.52 Billion in 2024 and is projected to reach USD 2.18 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.9% during the forecast period (2024–2030). This robust expansion is fueled by stringent building codes, rising concerns over indoor air quality (IAQ), and sustained growth in global construction activity, particularly for residential, commercial, and industrial sectors.

As building durability and health standards become paramount, the focus intensifies on the manufacturers providing essential moisture protection solutions. In this blog, we profile the Top 10 Companies in the Underslab Vapor Barriers Industry—a group of material innovators and construction product leaders shaping the future of foundation protection worldwide.

---

🔟 1. WR Meadows, Inc.

Headquarters: Hampshire, Illinois, USA
Key Offering: PREMOULDED MEMBRANE®, SEALTIGHT®, and other high-performance vapor retarders/barriers

WR Meadows is a premier manufacturer of specialty construction products, with a long-standing reputation for high-quality underslab vapor barriers. Their products are engineered to provide superior moisture protection, contributing to the longevity and integrity of concrete slabs.

Key Product Innovations:

• Development of reinforced and non-reinforced polyethylene membranes

• Solutions tailored for radon gas mitigation

• Commitment to manufacturing products that meet or exceed ASTM E1745 standards

Download FREE Sample Report: Global Underslab Vapor Barriers Market – View in Detailed Research Report

---

9️⃣ 2. Fortifiber Building Systems Group

Headquarters: Fernley, Nevada, USA
Key Offering: TF-100 Hydro-Guard™, Sub-Slab Vapor Barrier Systems

Fortifiber specializes in weather-resistant barriers and underslab solutions. Their product line is designed to effectively control moisture migration, a critical factor in preventing mold growth and structural damage in modern buildings.

Key Product Innovations:

• High-performance, cross-laminated polyethylene films

• Integrated systems for below-slab applications

• Focus on durability and puncture resistance

---

8️⃣ 3. InterWrap Inc.

Headquarters: British Columbia, Canada
Key Offering: Armourtex®, Tuff-N-Dri® underslab membranes

InterWrap is a global leader in the manufacture of engineered flexible packaging and construction films. Their Armourtex line of woven composite membranes offers exceptional strength and moisture protection for challenging sub-slab conditions.

Key Product Innovations:

• Woven fabric-reinforced polyethylene membranes for high toughness

• Products certified for use in sensitive environments like schools and hospitals

---

7️⃣ 4. Raven Industries, Inc.

Headquarters: Sioux Falls, South Dakota, USA
Key Offering: Engineered Films for construction and industrial applications

Raven’s Engineered Films division produces a wide range of high-performance polyethylene films, including specialized products for underslab vapor barriers. Their solutions are known for their consistency, reliability, and performance in demanding applications.

Key Product Innovations:

• Custom-formulated polyethylene resins for optimal performance

• Focus on sustainability through durable, long-lasting product designs

---

6️⃣ 5. Reef Industries, Inc.

Headquarters: Houston, Texas, USA
Key Offering: Reinforced Polyethylene (RPE) films, Tuff-Scrim™ vapor barriers

Reef Industries is a leading manufacturer of reinforced and laminated plastic films. Their Tuff-Scrim™ vapor barriers are widely used in construction for their high tensile strength and excellent moisture resistance properties.

Key Product Innovations:

• Scrim-reinforced construction for enhanced tear and puncture resistance

• Products available in various mil thicknesses (e.g., 10 mil, 15 mil) to meet specific project requirements

Download FREE Sample Report: Global Underslab Vapor Barriers Market – View in Detailed Research Report

---

5️⃣ 6. Polyguard Products, Inc.

Headquarters: McKinney, Texas, USA
Key Offering: Underslab Barriers, RD-6 Polyethylene Sheeting

Polyguard offers a comprehensive range of construction waterproofing and protective products. Their underslab vapor barrier solutions are engineered to protect concrete floors from moisture vapor transmission, ensuring a dry and stable substrate for flooring.

Key Product Innovations:

• Specialized membranes that also function as radon barriers

• Focus on creating complete moisture protection systems

---

4️⃣ 7. STEGO Industries, LLC

Headquarters: Villa Rica, Georgia, USA
Key Offering: STEGO WRAP Vapor Barrier, Below-Slab Moisture Control Systems

STEGO is a specialist in below-slab vapor barriers and has built a strong reputation for providing high-performance solutions that exceed industry standards. Their products are designed to address the critical issue of moisture vapor emission from concrete slabs.

Key Product Innovations:

• 15-mil and 20-mil thick vapor barriers for superior protection

• Products that meet the most stringent VOC and indoor air quality requirements

---

3️⃣ 8. GCP Applied Technologies Inc. (Grace Construction Products)

Headquarters: Alpharetta, Georgia, USA
Key Offering: VOLTEX® & PREPRUFE® Pre-applied Membrane Systems

GCP (Grace Construction Products) is a global leader in construction chemicals and building materials. Their underslab solutions are part of integrated systems designed for waterproofing and vapor mitigation, trusted on major projects worldwide.

Key Product Innovations:

• Integration of vapor barrier functionality with waterproofing membranes

• Advanced polymer technologies for long-term performance

---

2️⃣ 9. Strata Systems, Inc.

Headquarters: Cumming, Georgia, USA
Key Offering: Geosynthetic products including reinforced polyethylene liners

Strata Systems specializes in geosynthetic solutions for civil and environmental engineering. Their product portfolio includes durable, reinforced membranes suitable for demanding underslab applications where soil gas and moisture control are critical.

Key Product Innovations:

• High-strength, multi-layer composite membranes

• Solutions for infrastructure and heavy civil projects

---

1️⃣ 10. Layfield Group Ltd.

Headquarters: Vancouver, British Columbia, Canada
Key Offering: Flexible Geomembranes, Custom Fabricated Liners

Layfield is a leading manufacturer and installer of geomembranes and containment systems. They provide high-quality underslab vapor barriers, often custom-fabricated for large-scale commercial and industrial projects.

Key Product Innovations:

• Custom fabrication for complex project geometries

• Focus on site-specific engineering and installation support

Get Full Report Here: Global Underslab Vapor Barriers Market – View in Detailed Research Report

---

🏗️ Outlook: The Future of Underslab Protection Is Smarter and More Sustainable

The underslab vapor barrier market is evolving beyond basic polyethylene sheeting. The industry is advancing toward integrated systems that combine moisture control, radon mitigation, and thermal performance, driven by stricter regulations and a focus on building longevity.

📈 Key Trends Shaping the Market:

• Rising adoption of thicker, reinforced membranes (15 mil and above) for enhanced durability

• Integration of vapor barriers with under-slab insulation systems for improved energy efficiency

• Growing demand for solutions that address multiple concerns: moisture, radon, and methane gas

• Increased focus on sustainable material sourcing and recyclable product options

Get Full Report Here: Global Underslab Vapor Barriers Market – View in Detailed Research Report

The companies listed above are not only protecting building foundations—they are ensuring healthier, more durable, and more valuable structures for generations to come.