At 9 Brothers Building Supply, we are proud to offer Stego products to customers throughout Brentwood and Riverhead, NY. Stego is a trusted leader in the construction industry, recognized for its high-quality moisture vapor barriers and radon mitigation solutions. These innovative products are designed to protect structures from the damaging effects of moisture and the harmful presence of radon gas, ensuring durability, safety, and long-term performance.
Why Choose Stego?
Stego has earned its reputation as a top-tier manufacturer by focusing on superior engineering and innovation. Their moisture vapor barriers are crafted to create an impermeable shield against moisture, helping to prevent problems such as mold growth, structural decay, and poor indoor air quality. Their radon mitigation products also offer unmatched protection against hazardous radon gas, a critical factor in creating safer environments for residential, commercial, and industrial projects.
Stego Products We Offer
At 9 Brothers Building Supply, we carry a wide selection of Stego products to meet the diverse needs of your construction projects. Some of the most popular options available include:
Whether you’re managing a large-scale commercial project or a smaller residential build, Stego products provide the durability and reliability you need to protect your investment.
Our Locations
Both of our 9 Brothers Building Supply locations in Brentwood and Riverhead stock a full line of Stego products. We are dedicated to providing contractors, developers, and homeowners with easy access to high-quality moisture and radon protection solutions. Our knowledgeable staff can guide you in selecting the right Stego products for your specific project.
Advantages of Products
Stego’s moisture vapor barriers and radon mitigation systems are trusted by professionals across the construction industry for several reasons:
Why Buy from 9 Brothers Building Supply?
At 9 Brothers, we understand the importance of high-quality materials for your construction project. By offering Stego products, we provide you with proven solutions to help protect your structures and ensure the well-being of occupants. Our two Long Island locations make it easy to find the supplies you need, and our team is always available to assist you in selecting the right materials for the job.
When you invest in Stego products, you’re choosing quality, innovation, and peace of mind. Stop by one of our Long Island locations today to explore our range of Stego solutions and see how we can help make your project a success. Whether it’s moisture control or radon protection, 9 Brothers Building Supply is your trusted partner for construction materials in the NYC and Long Island areas.
Low-Permeance, Great Long-Term Adhesion Stego Tape is a low-permeance tape designed for protective sealing, hanging, seaming, splicing, and patching applications where a highly conformable material is required. This pressure-sensitive tape is engineered to bond specifically to Stego Wrap, making it ideal for sealing Stego Wrap seams and penetrations. Stego Tape is made of a polyethylene film and an acrylic and can seal, bond, and attach to plastic, wood, steel, and other substrates. Its many features include: Dimensions: 3.75" x 180' Comprised of a polyethylene film and acrylic, pressure-sensitive adhesive Superior moisture resistance Excellent sealing properties Clean release, no residue Made in the USA with US and global materials Stego Tape has a very low permeance rating. This product is made specifically for use with Stego Wrap Vapor Barriers and Retarders, and it plays a vital role in creating a below-slab moisture protection system. APPLICABLE STANDARDS American Society for Testing & Materials (ASTM): ASTM E1643: Standard Practice for Installation of Water Vapor Retarders used in Contact with Earth or Granular Fill under Concrete Slabs PSTC 101: International Standard for Peel Adhesion of Pressure Sensitive Tape Physical Properties: Total Thickness: 6 mil Permeance: 0.03 perms Tensile Strength: >12 lbf/in Adhesion (20 min dwell, ss PSTC 101): 84 oz/in width Ultraviolet Resistance: Excellent Additional Benefits: Strong initial tack and long-term adhesion Resists both fluid and vapor ingress Use in applications where a highly conformable material is required Available nationwide
Superior Protection Against Water Vapor Diffusion Stego Wrap 20-Mil Vapor Barrier is used as an under-slab vapor barrier. This Vapor Barrier is developed from the same proprietary blend of prime virgin resins and additives as the popular Stego Wrap 15-Mil barrier, and provides additional protection for crucial projects. This advanced multi-layer plastic extrusion blown film vapor barrier provides unrivaled moisture protection in even the most unforgiving conditions, such as intense fluctuating temperatures and humidity, and is frequently used on high-profile projects such as data centers and hospitals. Its many features include: Can be used in commercial, residential, and industrial applications Helps defend against soil gases, including radon and methane Shields against flooring failures Exceeds ASTM E1745 Class A, B & C Toughest barrier available for most sensitive projects Made in the USA Stego Wrap 20-Mil Vapor Barrier has an extremely low permeance, which is below current industry standards for products of its kind. With a baseline water vapor permeance rating of 0.0071 perms and puncture resistance exceeding 3,500 grams, this 20-Mil barrier is a true Class A product per ASTM E1745. Stego Wrap 20-Mil is manufactured with only the highest grade of prime, virgin, polyolefin resins which allows this product to greatly resist degradation. Engineered to provide superior strength and durability, never flaking, and resisting tears, snags, punctures, or cracks. Engineered Performance – Life of the Building Protection Stego offers the first-of-its-kind warranty for its line of vapor barriers and retarders. The Stego Life of the Building Warranty reinforces its 20+ year track record without a single claim of product failures, making Stego the construction industry leader in below-slab barriers. The warranty matches the unparalleled Stego Installation Support - a FREE SERVICE designed to help achieve an effective installation and add value for project teams. APPLICABLE STANDARDS American Society for Testing & Materials (ASTM): ASTM E1745: Standard Specification for Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs ASTM F1249: Test Method for Water Vapor Transmission Rate through Plastic Film and Sheeting using a Modulated Infrared Sensor ASTM D1709: Test Methods for Impact Resistance of Plastic Film by Free-Falling Dart Method ASTM D882: Test Method for Tensile Properties of Thin Plastic Sheeting ASTM E154: Standard Test Methods for Water Vapor Retarders used in Contact with Earth under Concrete Slabs, on Walls, or as Ground Cover Physical Properties: Water Vapor Permeance: 0.0071 perms Puncture Resistance: 3,500+ grams Tensile Strength: 97.7 lbf/in Thickness: 20-mil Dimensions: 14' x 105' (1,470 ft2) Roll Weight: 152 lbs Additional Benefits: Resists vapor diffusion and moisture intrusion Exceptional durability Resists deterioration Simple, dependable installation Available nationwide Life of the Building Warranty Stego Installation Support
A Reliable and Cost-Effective Solution to Reduce Moisture Migration Stego Wrap Class C 10-Mil Vapor Retarder is manufactured with a specific, advanced blend of premier polyolefin resins and additives to provide outstanding performance. This Class C Vapor Retarder is commonly utilized under below-grade interior slabs to reduce the amount of moisture vapor migrating from the ground into the building's concrete slab. The Stego Wrap Class C 10-Mil Vapor Retarder provides protection in a broad range of environments and may also be used in systems for the reduction of soil gas (radon and methane) migration. While still exceeding ASTM E1745 Class product requirements, Stego Wrap Class C 10-Mil Vapor Retarder provides an economical option for projects. Its many features include: Durable enough to prevent punctures and tears in light foot traffic construction conditions Helps shield from soil gases such as methane and radon Aids in protection against flooring failures Superior performance protection when compared to generic, recycled 6-mil poly Less vulnerable to deterioration when compared to generic, recycled 6-mil poly Exceeds ASTM E1745 Class C Made in the USA Stego Wrap Class C 10-Mil Vapor Retarder has low permeance, providing a high level of protection for a vapor retarder. Not as durable as the Stego Wrap Class A 10-Mil Vapor Retarder, this product can be an economical benefit in construction with light-machine or foot-traffic-only construction conditions. This product is compatible with Stego’s myriad of installation accessories, helping to meet the installation requirements of ASTM E1643. Engineered Performance – Life of the Building Protection Stego offers the first-of-its-kind warranty for its line of vapor barriers and retarders. The Stego Life of the Building Warranty reinforces its 20+ year track record without a single claim of product failures, making Stego the construction industry leader in below-slab barriers. The warranty matches the unparalleled Stego Installation Support - a FREE SERVICE designed to help achieve an effective installation and add value for project teams. APPLICABLE STANDARDS American Society for Testing & Materials (ASTM): ASTM E1745: Standard Specification for Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs ASTM F1249: Test Method for Water Vapor Transmission Rate through Plastic Film and Sheeting using a Modulated Infrared Sensor ASTM D1709: Test Methods for Impact Resistance of Plastic Film by Free-Falling Dart Method ASTM D882: Test Method for Tensile Properties of Thin Plastic Sheeting ASTM E154: Standard Test Methods for Water Vapor Retarders used in Contact with Earth under Concrete Slabs, on Walls, or as Ground Cover Physical Properties: Water Vapor Permeance: 0.0209 perms Puncture Resistance: 1,286 grams Tensile Strength: 49.16 lbf/in Thickness: 10-mil Dimensions: 14' x 210' (2,940 ft2) Roll Weight: 146 lbs Additional Benefits: Engineered for durability and longevity Reduces mold – moisture is one of the ingredients for mold, and with less moisture the likelihood of mold growth should also decrease Better flooring – without proper moisture protection, it is possible to have flooring failures Indoor Air Quality (IAQ) improvement – reduction in soil contaminants, mold, and mildew Available nationwide Life of the Building Warranty Stego Installation Support
The Most Specified Below-Slab Vapor Barrier in North America Stego Wrap 15-Mil Vapor Barrier is made from a proprietary blend of prime virgin resins and additives, a combination lending to great value and effectiveness in protecting the concrete slab from moisture intrusion. Backed by unparalleled project and educational support, Stego 15-Mil Vapor Barrier has not only become the flagship product of Stego Industries, but an industry leader as well. Design professionals, contractors and homeowners alike have come to rely on Stego Wrap 15-Mil Vapor Barrier to protect their most critical projects. A 20+ year track record of success and a first-of-its-kind Life of the Building Warranty, make Stego Wrap an industry-wide trusted product. Its many features include: Extremely low permeability to effectively prevent against moisture vapor and soil gas transmission Aids in protection against flooring failures 14' wide rolls minimize seams Exceeds ASTM E1745 Class A, B & C Made in the USA Infiltration of moisture from the ground through concrete slabs is a major building defect liability. Stego Wrap Vapor Barrier 15-Mil is designed not only for effectiveness but also for longevity. This vapor barrier is manufactured with only the highest grade of prime, virgin, polyolefin resins which allow this product to greatly resist degradation. This product is also engineered for superior strength and durability, never flakes and is resistant to tears, snags, punctures, and cracks. Stego Wrap 15-Mil Vapor Barrier has an extremely low permeance rating, which helps mitigate the risk of water vapor accumulation and the transmission of various soil gases. This helps to maintain the integrity of the building envelope and promotes indoor air quality by avoiding serious moisture-related issues. Engineered Performance – Life of the Building Protection Stego offers the first-of-its-kind warranty for its line of vapor barriers and retarders. The Stego Life of the Building Warranty reinforces its 20+ year track record without a single claim of product failures, making Stego the construction industry leader in below-slab barriers. The warranty matches the unparalleled Stego Installation Support - a FREE SERVICE designed to help achieve an effective installation and add value for project teams. APPLICABLE STANDARDS American Society for Testing & Materials (ASTM): ASTM E1745: Standard Specification for Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs ASTM F1249: Test Method for Water Vapor Transmission Rate through Plastic Film and Sheeting using a Modulated Infrared Sensor ASTM D1709: Test Methods for Impact Resistance of Plastic Film by Free-Falling Dart Method ASTM D882: Test Method for Tensile Properties of Thin Plastic Sheeting ASTM E154: Standard Test Methods for Water Vapor Retarders used in Contact with Earth under Concrete Slabs, on Walls, or as Ground Cover Physical Properties: Water Vapor Permeance: 0.0086 perms Puncture Resistance: 2,266 grams Tensile Strength: 70.6 lbf/in Thickness: 15-mil Dimensions: 14' x 140' (1,960 ft2) Roll Weight: 147 lbs Additional Benefits: Resists vapor diffusion and moisture intrusion Exceptional durability Resists deterioration Simple, dependable installation Reduces migration of soil gases, such as methane or radon Available nationwide Life of the Building Warranty Stego Installation Support
A Reliable and Cost-Effective Solution to Reduce Moisture Migration Stego Wrap Class C 10-Mil Vapor Retarder is manufactured with a specific, advanced blend of premier polyolefin resins and additives to provide outstanding performance. This Class C Vapor Retarder is commonly utilized under below-grade interior slabs to reduce the amount of moisture vapor migrating from the ground into the building's concrete slab. The Stego Wrap Class C 10-Mil Vapor Retarder provides protection in a broad range of environments and may also be used in systems for the reduction of soil gas (radon and methane) migration. While still exceeding ASTM E1745 Class product requirements, Stego Wrap Class C 10-Mil Vapor Retarder provides an economical option for projects. Its many features include: Durable enough to prevent punctures and tears in light foot traffic construction conditions Helps shield from soil gases such as methane and radon Aids in protection against flooring failures Superior performance protection when compared to generic, recycled 6-mil poly Less vulnerable to deterioration when compared to generic, recycled 6-mil poly Exceeds ASTM E1745 Class C Made in the USA Stego Wrap Class C 10-Mil Vapor Retarder has low permeance, providing a high level of protection for a vapor retarder. Not as durable as the Stego Wrap Class A 10-Mil Vapor Retarder, this product can be an economical benefit in construction with light-machine or foot-traffic-only construction conditions. This product is compatible with Stego’s myriad of installation accessories, helping to meet the installation requirements of ASTM E1643. Engineered Performance – Life of the Building Protection Stego offers the first-of-its-kind warranty for its line of vapor barriers and retarders. The Stego Life of the Building Warranty reinforces its 20+ year track record without a single claim of product failures, making Stego the construction industry leader in below-slab barriers. The warranty matches the unparalleled Stego Installation Support - a FREE SERVICE designed to help achieve an effective installation and add value for project teams. APPLICABLE STANDARDS American Society for Testing & Materials (ASTM): ASTM E1745: Standard Specification for Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs ASTM F1249: Test Method for Water Vapor Transmission Rate through Plastic Film and Sheeting using a Modulated Infrared Sensor ASTM D1709: Test Methods for Impact Resistance of Plastic Film by Free-Falling Dart Method ASTM D882: Test Method for Tensile Properties of Thin Plastic Sheeting ASTM E154: Standard Test Methods for Water Vapor Retarders used in Contact with Earth under Concrete Slabs, on Walls, or as Ground Cover Physical Properties: Water Vapor Permeance: 0.0209 perms Puncture Resistance: 1,286 grams Tensile Strength: 49.16 lbf/in Thickness: 10-mil Dimensions: 14' x 210' (2,940 ft2) Roll Weight: 146 lbs Additional Benefits: Engineered for durability and longevity Reduces mold – moisture is one of the ingredients for mold, and with less moisture the likelihood of mold growth should also decrease Better flooring – without proper moisture protection, it is possible to have flooring failures Indoor Air Quality (IAQ) improvement – reduction in soil contaminants, mold, and mildew Available nationwide Life of the Building Warranty Stego Installation Support
Durable, Permanent, Vapor Mitigation Stego Wrap Class A 10-Mil Vapor Retarder is a below-grade vapor retarder that is manufactured with a proprietary blend of prime virgin polyolefin resins and additives to provide outstanding efficacy. The Stego Wrap Class A Vapor Retarder is a technologically advanced material that provides moisture protection in a broad range of environments and may also be used in systems for the control of gases (radon and methane migration). The Stego Wrap Class A 10-Mil Vapor Retarder is an economical vapor protection option for projects not requiring 0.01 or less permeance, while still exceeding performance requirements of ASTM E1745 Class A. Its many features include: Excellent puncture resistance Helps shield from soil gases such as methane and radon Aids in protection against flooring failures Provides superb below-concrete vapor protection Less vulnerable to deterioration when compared to generic, recycled 6-mil poly Exceeds ASTM E1745 Class A, B & C Made in the USA
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