120sqft 1. When it floods, rains, or the temperature drops, water enters the crawl space and stagnates. When you combine a crawl space vapor barrier with a waterproofing system, now you have the ultimate moisture protection of the crawl space from both liquid water and water vapor. SENTINEL® Universal Sealant is a moisture cured, polyether, elastomeric sealant for use in approved SENTINEL® PVC membrane and flashing assemblies. Air & Vapor Barrier Laminated Boards. Trim the polyethylene around every piece of wood using a razor-sharp utility knife or pair of shears. MoistureBlock is a low density Polyethylene film that can be used during the installation process with floating laminate and engineered wood floors. Sentinel Eco Underlayment. Seal holes and gaps in the ceiling. 1-800-638-7048; Find a local contractor; In business since 1987. Vapor Barrier 4. Where to Install Vapor Barriers. DUOTACK SPF ADHESIVE comes in a kit containing both the A & B. 2mm thick, available in 100 sq. Project Location in Tulsa. Additionally, the overlapped seams can cause some unevenness. Installation. 99 / piece Size: 100sqft. Step 4: Install Underlayment. It is a myth that installing vapor barriers is the most important step for controlling. 4. This five-minute video provides everything you need to know to properly install Stego® Wrap Vapor Barrier below a concrete slab to prevent against moisture d. Documents To. Eco Ultra Quiet Premium Acoustical Underlayment. If. This misunderstanding arises because air typically holds a great deal of moisture in the form of vapor. Known for our flagship Stego Wrap line of under-slab vapor barriers and retarders, Stego has earned the respect, trust, and recommendation of architectural, engineering, and construction communities. Step 5: Seal any seams or gaps. Air & Vapor Barrier Laminated Boards. $72. A. In. Fluid/Liquid-Applied Air & Moisture Barriers. 08 to $0. Installation SENTINEL VCM can be used to fabricate metal flashings, pitch-pans and edge details. 12 (8 to 12 cents) per square foot. After much research, I have a lot of conflicting advise about the need to add a vapor barrier before installing the backer (hardy / cement) board for my bathroom shower. explains that vapor barriers are classified into three categories: I, II and III. Sentinel 6mm Cork Underlayment Roll. Calculate my square footage. Sentinel Eco Underlayment. $58. 99 / piece Size: 120sqft. Our house is 1,236. Sentinel Moisture Barrier Polyethylene Film. There are multiple types of vapor barriers, each ideal for different kinds of surface flooring. The installation process of SENTINEL CEMENT FOAM BOARD involves cutting it into the required size,. Read all instructions before installation. Sentinel Premium Quiet Underlayment. . Air & Vapor Barrier Laminated Boards; Air & Vapor Barriers. 200sqft 1. SECTION 4 Stego Wrap Vapor Barrier and Retarder Installation Instructions 6 Always consult the project design team for where to terminate the vapor barrier to strike the balance between the location of the vapor barrier on or around foundation constructions and any structural concerns before proceeding. . Polyethylene Film. 50 to $9 per square foot, based on an average 1500 square foot home. Air & Vapor Barrier Laminated Boards. It’s a finish-ready vapor barrier and integrates as. Using a combination of Vapor SentinelTM barrier and tape, all penetrationsBuilding and renovating homes in cold climates requires vapour barriers in some places. $143. Air & Vapor Barrier Laminated Boards; Air & Vapor Barriers. English. Along with these basics, ASTM E1643 ‘requires sealing the vapor barrier at the perimeter of the slab. Start at one of the top corners and move across and then down, stretching the plastic and keeping it tight and smooth. Its dense construction makes it a universal underlayment, suitable for use under many types of floors with a variety of installation methods. BEST OVERALL: Roberts First Step Premium Underlayment. The SSDS was equipped with Sensaphone Sentinel Alarm System designed to alert the owner or operator if any system parameters fail preset thresholds or if power to the system is interrupted, ensuring tenants are protected from. 200Sqft AMERIQUE 3mm thick flooring silver chrome underlayment padding with tape & vapor barrier 3-in-1 heavy duty foam (200Sf TOTAL, pack of 1, 200Sf/roll); mold and moisture protection, non allergenic, 3mm closed foam technology for sound reduction; anti-crush technology for excellent performance & long life; perfect for wood, bamboo. SOPRALENE Stick is an SBS-modified bitumen, self-adhered base ply for use in approved multi-ply membrane and flashing assemblies. 5 – 10 minutes). Stego is the leader in the below-slab concrete vapor barrier market. INSTALLATION SUB-SLAB: Vapor Sentinel TM 20-Mil Vapor Barrier is unrolled over an aggregate, sand or tamped base. 94 / piece Size: 100sqft. 1 mm (161 mils) APP (Atactic Polypropylene) modified bitumen roofing membrane for approved multi-ply membrane and flashing assemblies. Air & Vapor Barrier Laminated Boards. Check for protruding nails and defects in the subfloor. By sealing off the crawl space, the. $72. All seams overlap a minimum of 6 inches for taped-seam installation and 3 inches when seamed via heat welding equipment by a qualified contractor. What makes this stand out from the 3-in-1 Blue underlayment is the. Seal the edges of these cut areas with a sealant. Installation. If required, the system can easily be. 00 / piece Size: 194sqft. 200sqft 1. This heavy duty 60 yard roll of moisture resistant crawl space vapor barrier seam and seal tape is highly durable, waterproof and weatherproof. Plastic on the outer surface of a wall in cold weather could cause problems. DUOTACK SPF HFO Adhesive was developed to provide a much quicker and easier application in order to save time and. 94 / piece Size: 100sqft. Buy from trusted and established brands like Sentinel ; The most affordable underlayment items;. 4a); Pango Wrap and Pango Tape (Fig. Sentinel Eco Underlayment. . Potential moisture in crawl. Here’s an overview of the steps we take to fix the problem: Wood and organic materials are removed. The exception is when laminate flooring is being. Basement Systems offers professional crawl space encapsulation and repair solutions in Park City, UT, including vapor barrier installation, sump pumps, and jack supports. Eco Ultra Quiet Premium Acoustical Underlayment. 12 (8 to 12 cents) per square foot. Order the Best Underlayment Installation Materials. Allow SENTINEL S BONDING ADHESIVE to partially dry before bonding membrane to substrate (approx. Vapor Sentinel. . RUNNER-UP: QuietWalk Plus QW100PLUS Underlayment. One gallon will give you nearly 2 coats of protection. 1 +1 for the reference, even though most well logiced advice seems to point to the contrary. Sentinel Moisture Barrier Polyethylene Film. 3. This field is for validation purposes and should be left unchanged. Adhere the vapor barrier to the wall. The general vapor barrier installation process, when done by a professional foundation waterproofing contractor, is as follows: First, a thorough assessment of the crawl space is performed. SOPREMA provides high-performance thermoplastic polyvinyl chloride (PVC) roofing membrane in multiple options. Take The sheets should be overlapped to prevent any seams. 2] Cement Board Installed behind Tile and Panel. GenFlex Vapor Shield Solvent Based Primer: W590040090 GenFlex Vapor Shield Water Based Primer: W590040091 3. installation of vapor / gas barriers. Type 2 vapor barriers, the basic vapor barrier for ordinary conditions, are defined as having a permeance less than or equal to 60 ng/(Pa·s·m 2) of moisture passage. To properly install a vapor barrier into your basement's concrete floor, follow the steps below: Choose a vapor barrier/retarder. SENTINEL VCM can be used to fabricate metal flashings, pitch-pans and edge details. 99 / piece Size: 120sqft. mates, a properly installed vapor barrier can be a valuable part of that design. Installing a vapor barrier on its own will save you money in the long-term, but the savings will be limited for a number of reasons. MOISTURE PROTECTION: Helps prevent mold, mildew, and other issues related to vapor. English. 194sqft 1. Installation. each roll, install a 6" x 42" (152 mm x 1. Gaps from 1/4"–1/2" require caulk. If required, the system can easily be. 23 after $50 OFF your total qualifying purchase upon opening a new card. . GUIDE SPECIFICATION. 94 / piece Size: 100sqft. 120sqft 1. In addition, you’ll need to buy tape to secure the vapor barrier, which usually costs around $50 for a 4-inch-by-180-foot. . Air & Vapor Barrier Laminated Boards; Air & Vapor Barriers. Air barriers can be either vapor permeable (allowing water vapor to pass through) or vapor impermeable. Even if a vapor barrier is the best, improper design will lead to improper installation and likely render the effort a failure. Installation. Vapor Barrier Vapor Barriers provide additional protection between the subflooring and flooring by preventing the emission of vapors and moisture to the inside of the home. SOPRA-TITE SENTINEL® 200 Fascia is manufactured in 12-foot lengths with pre-punched fastening holes in the galvanized water dam to ensure correct fastener placement and spacing. Installation. And bring the plastic about 6 in. x 50ft. BEST BANG FOR THE BUCK: BestLaminate Blue Vapor 3-In-1 Flooring Underlayment. “Vapor barrier” is the term most associated with thin mil plastic liners (e. Buy from trusted and established brands like Sentinel ; The most affordable underlayment items; Order online for quick and convenient delivery or shop in-store; Check out the full range of underlayment materials and subfloor installation products from Floor & Decor on this page and place your order today. The humid air is indoors. Air & Vapor Barrier Laminated Boards. The. The concrete foundation of your building may feel rock-solid. Additional information: Main Area of Concern: Crawl Space. Sentinel Moisture Barrier Polyethylene Film. Trim around any obstructions or. Since vinyl planks are generally thinner than a laminate, the underlayment is also thinner. 4/7/10 5:03 PM. The short answer is NO! Vapor barriers are only installed over dirt in a crawl space or the walls and floor of a basement. 00 / piece Size: 300sqft Color: Green. If any of the conditions cited above pose a problem for the typical installation of Vapor SentinelTM Vapor Barrier, please contact Vapor Products Group for additional information and solutions. This video describes the process of installing a moisture barrier over a concrete subfloor. Prepare your concrete floor. Order the Best Underlayment Installation Materials. Water damage to wood foundation & busted pipes. 24 hours as measured by the Anhydrous. 100sqft 5. 99 / piece Size: 120sqft. Sentinel Premium Quiet Underlayment. Class I barriers don't allow any amount of moisture to get through. Consult local building codes prior to installation and to determine the length to cut barrier. Installing vapor barriers may not completely shield the house if there are cracks and holes in the walls. Vapor Barrier Vapor Barriers provide additional protection between the subflooring and flooring by preventing the emission of vapors and moisture to the inside of the. Sentinel Premium Quiet Underlayment. Whether it is under a floor or in a crawl space. English. We recommend working from left to right. We used 10mil vapor barrier, vapor barrier seam tape, and Zip System flashing tape for this installation. Buy from trusted and established brands like Sentinel ; The most affordable underlayment items;. Buy from trusted and established brands like Sentinel ; The most affordable underlayment items;. At other times of the year,…Care must be taken if installing a vapor barrier to ensure it is installed on the warm side of the wall assembly to avoid condensation forming within the wall. Suitable for all types of subfloor including cement subfloor. Staple the vapor barrier material to the wood floor joists of your mobile home with a staple gun. WARNING: Do not install your dehumidifier in a corrosive environment. 8 mm) gap is. For purposes of compliance with Tables. There are many different types of vapor barriers that can be used in a ceiling, but the most common is the polyethylene sheet. Cork is naturally antimicrobial, and polyethylene offers exceptional moisture resistance. SENTINEL® P200 HFB is a high performance, polyester reinforced, thermoplastic polyvinyl chloride (PVC) roof membrane, specially designed to provide unmatched flexibility and long-term performance. To properly install a physical termite vapor barrier prior to slab placement or within your existing crawl space, always review the installation instructions for the product you intend to use. Crawl space insulation install of 16" R-19 Batts - $2250 Vapor barrier removal - $750 Vapor barrier install - $2050 Crawl space air sealing + rat traps - $30 Also this is in the SF Bay Area, so labor costs may be higher. SENTINEL® P200. 200sqft 1. Place SOPRABOARD in desired position. Check for protruding nails and defects in the subfloor. Winston-salem / High Point Location. PANGO® WRAP TERMITE/VAPOR BARRIER INSTALLATION INSTRUCTIONS P4 of 7 5. Product Details. Sentinel Premium Quiet Underlayment. SOPRASEAL STICK VP is a lightweight 24-mil self-adhered, vapor-permeable, water-resistive air barrier used in wall construction. SENTINEL® Universal Sealant is a moisture cured, polyether, elastomeric sealant for use in approved SENTINEL® PVC membrane and flashing assemblies. Technical Bulletins. 9. Buy from trusted and established brands like Sentinel ; The most affordable underlayment items;. Topside. No more than 3 – 90 degree bends should be made for any sentinel wedge installation. BEST BANG FOR THE BUCK: BestLaminate Blue Vapor 3-In-1 Flooring Underlayment. 0 via. It’s securely attached to the wall, directing any leakage into our BasementGutter™ internal drainage system, providing instant relief from damp walls. It is designed for use on all grades of the home or. 08 to $0. $29. Although crawlspace vents were originally designed to facilitate humidity exchange with the outside air, they may contribute to mold. Select the Vapor Barrier. The added benefit to this underlayment is sound cushioning. Vapor Barriers. Vapor barriers restrict the flow of water vapor (diffusion) through materials. Simple system activation. Seal Stego Wrap along all terminating. SENTINEL® H2O Bonding Adhesive is a water-based polymeric adhesive specially designed for adhering SENTINEL PVC membranes and flashings to a variety of substrates for horizontal or vertical applications. Finally, unroll the vapor barrier and press it firmly onto the concrete floor. 00 / piece Size: 194sqft. The AquaGuard WallSeal™ Vapor Barrier is a 12-mil thick premium barrier crafted to stop moisture from infiltrating your basement walls. SENTINEL P150 HFB is reinforced with a tenacious, anti-wicking, weft-inserted polyester fabric that is encapsulated on both sides with a proprietary thermoplastic PVC formulation. HELPS REDUCE NOISE. For easier handling, pre-cut membrane into individual manageable lengths. We would like to show you a description here but the site won’t allow us. 3. Sheeting vapor barriers are made of paper or plastic and are applied directly to the surface of the wall, ceiling, or floor. $72. Some tips include: Clean the Crawl Space. floor during the manufacturing process. The lower the perm rate, the better for slabs. Watch our video for a step-by-step guide on how to install Pango Wrap Termite/Vapor Barrier. 2. resistant with good insulation properties. Sentinel Protect Plus ®, with built in vapor barrier, offers superior moisture protection, sound reduction, thermal protection, and softness underfoot to help to ensure a quality floor install over time. Do not pound form stakes through the vapor barrier. Sentinel 6mm Cork Underlayment Roll. By installing a vapor barrier, you create a barrier that hinders moisture intrusion, thereby reducing the risk of mold growth and keeping your crawl space dry and healthy. Learn how the work and why they're essential. Winston-Salem, NC 27103. Soil gas and moisture control. Buy from trusted and established brands like Sentinel ; The most affordable underlayment items; Order online for quick and convenient delivery or shop in-store; Check out the full range of underlayment materials and subfloor installation products from Floor & Decor on this page and place your order today. $58. Step 4: Attach the vapor barrier to the walls. Step 3: Cover the Floor Area Install vapor barrier over the entire floor area allowing for a 12" overlap for the wall curtain and all floor seams. Air & Vapor Barrier Laminated Boards; Air & Vapor Barriers. Americover offers durable string-reinforced vapor barriers made from 100% virgin polyethylene, which comes in 6 mil to 20 mil. Unroll one width of the 2in1 Vapor Underlayment. Crawl Space Vapor Barrier Cost. Cement Foam Board is an effective solution for wet areas such as showers and saunas that require waterproofing and vapor barrier. This sub-floor barrier slows moisture migration and helps prevent buckling, cupping, and cracking. It helps increase the life and appearance of your flooring. The thickness of a vapor barrier should be around 10-12 mils (0. Introduction. Once installed, tile can be applied directly on top. (may be higher, check job specifications or building codes) 4. A smarter approach to air and vapor control. Any gaps greater than 1/2" requires backer rod and caulk. Documents To. Sentinel XS Radon Vapor Barrier: This material is composed of two layers of white film and one layer of black film, reinforced by an additional two layers for added strength and durability. Fasteners, such as nails or screws, are used to secure the vapor barrier to the walls and support beams of the crawl space. Crawlspace Challenges for the Southeast. Skip to main content. It allows the user to create effective methods in detailing PVC-to-metal. However, it’s important to note that the final cost may differ. Place the vapor barrier on a flat surface and spread it out evenly, with the smooth side facing up. For additional information, please contact us. Our products work with PVC roofing systems, including protective walkway pads, PVC roof bars, and both silver and copper art galvanized metal products to fabricate flashings, pitch-pans and edges when detailing PVC to metal transitions. V-Force membrane must be rolled in with a 75 lb (34 kg) roller to fully mate each. View Specifications. This underlayment also has a pre-attached vapor barrier to protect floors from moisture escaping concrete subfloors. vapor intrusion is most likely to be a problem. SENTINEL® T-Joint Patches are made using 60 mil, reinforced SENTINEL P150 membrane. Sentinel Premium Quiet Underlayment. American Concrete Institute or AIC says that 10-mil poly or plastic with a 0. With quick and easy installation, its the perfect flooring option for any room! Even better, the anti-microbial coating on each plank makes it resistant to staining or odors. 1 perms but less than or equal to 1. But there are a few things you need to keep in mind to make sure you install it correctly. 0031 inches thick, and unfaced expanded or extruded polystyrene. It is recommended to use Sentinel Protect Plus Underlayment for optimal sound absorption and moisture resistance or a standard vapor barrier like 6mil PE Film. You will want to overlap the vapor barrier equal to 2 inches or more on the wall. SENTINEL® PVC Roof Systems. Air & Vapor Barrier Laminated Boards. $143. However, this thickness may not be viable for crawl spaces or extremely humid regions. Eco Ultra Quiet Premium Acoustical Underlayment. We used Farm Supply brand 6 mil reinforced string solid white vapor barrier, Blue Summit vapor barrier seam tape, and Zip System flashing tape for this insta. This, of course, is in exchange for better. Vapor 3-in-1 Blue underlayment is the most budget friendly option of all vapor barrier underlayment. Moved Permanently. Subsequent approved inter-ply or cap ply membranes are applied to SOPRALENE 180 SP 3. Step 1. Vapor Sentinel New Construction is your ultimate vapor barrier solution for protecting your new developments against soil vapor intrusion. Subscribe Now:. The cost of strong vinyl tape for securing plastic at the edges and for taping sheeting. Thoroughly clean the crawl space before laying down the barrier,. roll. Type. 2. For those with vapor barrier installation experience, the following may be review, but as. Make sure it is of the right size for your basement – 2 feet wide by 3 feet long is ideal. Eco Ultra Quiet Premium Acoustical Underlayment. Polyurethane sheeting is a typical vapor barrier that contractors use to prevent moisture from penetrating the walls of a basement. December 12, 2022. Chat Now with a vapor barrier expert or call 760-388-6294 . LifeProof also features an easy to install fanfold design with printed cutting grid making it easy for DIY projects. SOPRASEAL Stick 1100T is a self-adhered waterproofing membrane. Sentinel Protect Plus ®, with built in vapor barrier, offers superior moisture protection, sound reduction, thermal protection, and softness underfoot to help to ensure a quality. Vapor Mat is a heavy-duty, impact resistant, cuspated material that facilities a. Our MoistureBlock is a 6 mil polyethylene film vapor barrier that is used during the installation process with floating laminate, luxury vinyl planks and engineered wood floors. SKU: 100586833. Sentinel Eco Underlayment. It doesn’t create a sealed, waterproof or moisture-proof space, and they are rarely fitted tightly against the foundation walls of a crawl space or any columns or piers under the house. Installing a moisture barrier under your new floor may be necessary, especially if it’s concrete. Safe. To install a crawl space vapor barrier, clean the area, lay a plastic sheet with 6-inch seam overlaps, and secure it to walls with adhesive or fasteners. 00 / piece Size: 194sqft. Vapor Sentinel Vapor Barrier SAFETY SHEET MANUFACTURER Vapor Products Group W51N535 Struck Lane Cedarburg, WI 53012 USA (888) 355-1522. x 140 ft. A durable barrier system that saves on your bottom line. eliminating the need for trenching and aggregate backfill. Visit Stego Wrap Barrier 15-Mil. We currently cannot access the crawl space to half of our house because there isn't enough space. Step 7: Final steps and considerations. For example, a basic vapor barrier will not provide extra padding. Air & Vapor Barriers; Accessories & Primers. Eco Ultra Quiet Premium Acoustical Underlayment. With a simplified installation process, the New Construction System saves installation time and costs. While this can be a potentially laborious process, we’ve broken it down into 5 simple steps: Empty the garage. 0 in desired position and back roll the product. 1 mm) weld along the entire perimeter. 94 / piece Size: 100sqft. Apply a continuous bead of adhesive to the other side of the seam. We are looking to add an access either from within the house. By frequently running quality assurance and control tests, a manufacturer can ensure they continually deliver the expected level of performance –that whatever. QuietWalk LV (Luxury Vinyl) is a recycled fiber underlayment that provides excellent support to your flooring. The older term "vapor barrier" is still used even though "vapor retarder" is. 94 / piece Size: 100sqft. All seams overlap aMoistureBlock™ is a low density Polyethylene film that can be used during the installation process with floating laminate and engineered wood floors. All Vapor Sentinel products are manufactured by Vapor Products Group. Apply SOPRABOARD with. BEST STANDARD FOAM: Roberts Serenity Foam Underlayment. barrier installation. All conduit bends should avoid 90 degrees, if 90 degree bends are necessary only utilize a long sweep 90. Sentinel 6mm Cork Underlayment Roll. It explains that almost all contractors or remodelers will use and recommend 6-mil plastic sheeting as an affordable and effective vapor barrier. (68) Questions & Answers (52) Hover Image to Zoom. ft. Get tips on working on flooring under various types of conditions with help from a foreman for Lighty Contractors in this free video series. Find the leak in your home. NEW 3M™ Air and Vapor Barrier 3015NP provides building protection that installs quickly and easily even under extreme conditions without sacrificing performance. Barrier Seaming Tape is a low-permeance tape. Choose fasteners that are suitable for the material of your crawl space walls. 94 / piece Size: 100sqft. Roll Out and Cut Plastic Sheets. Purchase your 6 mil vapor barrier from a local home improvement store or online retailer. A crawl space vapor barrier costs $0. Sentinel XS Radon Vapor Barrier blocks out radon and water vapor even during extreme seasonal temperature changes. Exclusive to Floor and Decor, Sentinel Protect Plus Underlayment is premium underlayment designed specifically to be used with attached pad laminate, vinyl, & rigid core flooring. While installing a pre-attached padded floor, it is recommended to also install a moisture resistant film over concrete or any substrait where moisture is a concern. QuietWalk’s attached vapor barrier protects the overlying flooring from any attacking moisture. Firestone V-Force Vapor Barrier Membrane is a vapor barrier comprised of SBS modified bitumen adhesive, factory-. Air & Vapor Barrier Laminated Boards. 1. x 167 ft. The three. Vapor Sentinel Vapor Barrier SAFETY SHEET MANUFACTURER Vapor Products Group W51N535 Struck Lane Cedarburg, WI 53012 USA (888) 355-1522. SENTINEL P200 is a high-performance, bare-backed, thermoplastic polyvinyl chloride (PVC) membrane designed for both steep and low slope applications. Cover the dirt crawlspace with a plastic moisture polyethylene vapor barrier. The difference between air barriers and vapour barriers: The job of a vapour barrier is to prevent vapour diffusion and the job of an air barrier is to stop air leakage through differences in air pressure between inside and out. 0 is then heat welded to approved substrates. Flooring 101 Tips to avoid problems, and things to look out for when you lay laminate flooring to ma. Seal Stego Wrap along all terminating. If your wall already has a vapor barrier installed, you might think it is worth adding another layer of. The ‘closed’ style flashing is used for penetrations where the flashing can be slipped over the top of the penetration and. It is the installer’s responsibility to understand the extent and sequencing of air barrier installation on the project. Try to avoid overlapping the material, as this will reduce its effectiveness. This basement vapor barrier will also prevent radon gas from penetrating the slab, an added benefit. Apply Clear All Approximate Size Approximate Size 1000sqft 1. Apply Clear All Approximate Size Approximate Size 1000sqft 1. minimize and prevent chemical vapor intrusion in newly constructed buildings. Eastside: (425) 823-9790. Courtesy of Steve Maxwe. Buy from trusted and established brands like Sentinel ; The most affordable underlayment items; Order online for quick and convenient delivery or shop in-store; Check out the full range of underlayment materials and subfloor installation products from Floor & Decor on this page and place your order today. Once a product has been appropriately selected and the design’s use of the vapor retarder verified, the ASTM E1643 standard turns to the most important aspect of damp proofing with vapor retarders. It is generally priced somewhere between foam and cork, but cheaper options can be quite thin and give minimal cushioning. We offer Free in-store returns in case you need to return extra material. GreenGuard Gold Vapor Barrier Vapor Barriers provide additional protection between the subflooring and flooring by preventing the emission of vapors and moisture to the inside of the home. Vapor Barriers We use high performance plastic sheeting products used in everyday construction, industrial, and agricultural applications. 99 / piece Size: 100sqft. Sentinel Eco Underlayment. 200sqft 1.