Class A has the lowest perm rate while Class B (from 1 to 10 perms) and Class C (greater than 10 perms) allow higher perm rates. Size: 1000sqft. Eco Ultra Quiet Premium Acoustical Underlayment. A heavy-duty material protects and shields nearly anything from moisture, dust, dirt, rain, snow, wind, chemicals and much more. The HDX 20 ft. Secure the edges of the vapor barrier to the concrete using tape or staples. Primers; Field & Flashing Membrane Resins;. ft roll): This 3-in-1 underlayment can be used under any laminate. mrcrisp |. It has prefabricated miters and accessories to ensure a proper fit and prevent the need for any field fabrication. Without vapor barriers, your garage can experience the following issues: Wet and moist walls. 3. RUNNER-UP: QuietWalk Plus QW100PLUS Underlayment. Waterproofing Preservation Polishing Epoxy Coatings Traffic Coatings Concrete Prep Vapor Barriers Other Services. The Best Way to Store Wallpapers: A Storage Solution for Your Collection When it comes to storing pictures, Wallpapers is the best way to go. MOISTURE PROTECTION: Helps prevent mold, mildew, and other issues related to vapor. Wall systems from SOPREMA provide air and vapor barriers using laminated boards or self-adhered, spray-applied and roller-grade permeable or non-permeable options. QuietWalk Plus Laminate & Wood Flooring Underlayment (Float, Glue, or Nail) with Vapor Barrier- Sound Reduction, Compression Resistant, Moisture Protection 6'Wx60'L Roll (Covers 360 sq ft) QW360PLUS - Amazon. MOISTURE PROTECTION: Helps prevent mold, mildew, and other issues related to vapor transmission; THERMAL BARRIER: Decreases both heat and cold transfer through the floor by as much as 15%, leaving a warmer floor in the winter and cooler floor during the summer Sentinel Moisture Barrier is a polyethylene film that provides a barrier for moisture protection over cement slabs. Primers; Field & Flashing Membrane Resins;. Apply vapor barrier seam tape. 28664. Visqueen Vapor Block PE Film – This is used to block moisture and does not add any cushion. 7 ft. SKU: 100472307. The sheets should be overlapped to prevent any seams. 8 mm) gap is required between sections of walkway pad to. Cork is naturally antimicrobial, and polyethylene offers exceptional moisture resistance. It features a 9 mil thick poly film, backed by a synthetic rubber adhesive, that is used for binding the seams of a moisture. Vapor barriers are chosen according to their permeability and how easily. Air & Vapor Barriers; Accessories & Primers. S. lvp underlayment. 30in. Pay $401. 30in. The barrier has Class I and II (A and C) variants. Save $100 on every $1,000. The permeance is as low as 0. Prevalent vapor barrier materials used over the years have been polyethylene (Type 1), asphalt-impregnated or asphalt-coated kraft paper (Type 2) and foil skrim kraft (FSK) (Type. Adhesive strips are included for quick and easy installation. 5 in. 9 ft. In terms of thickness, 10 mils and above will offer much better protection and resistance to moisture transmission. 16 MIL Viper CS Barrier 12' x 100' for Crawlspace . Sentinel XS Radon Vapor Barrier is a 5 layer barrier engineered to have low permeability, extreme strength on a very durability material. Air & Vapor Barrier Laminated Boards; Air & Vapor Barriers. COMPOSITION: Made with the highest grade of prime, virgin, polyolefin resins, Vapor Sentinel 20-Mil Vapor Barrier is manufactured as a multi-layer plastic extrusion. COMPOSITION: Made with the highest grade of prime, virgin, polyolefin resins, Vapor Sentinel 20-Mil Vapor Barrier is manufactured as a multi-layer plastic extrusion. Air & Vapor Barriers; Accessories & Primers. Project Source 20-ft x 100-ft Clear 6-mil Construction Film (Professional (6+ Mil). Eliminates water and vapor migration. Sentinel XS Radon Vapor Barrier (1) Sheet Metal Protection (1) Signs of Crawl Space Issue (1) Skrim (1) Skrim- String Reinforced Polyethylene (1) Sola Wrap (1) Spill containment plan (1) Steel Banding or SolaWrap (1) Steiner Tunnel Test (1) Structural Care (1) Successful Greenhouse Venture (1) Supplemental Lighting (1) Surface. View Specifications. SENTINEL P150 HFB is a high-performance, fleece-backed, thermoplastic polyvinyl chloride (PVC) membrane designed for both steep and low slope applications. Using a utility knife, cut the length long enough to wrap edges up the wall 3 - 4 inches. 36in. x 50ft. Viper VaporCheck II (Viper II) is the first line of defense against damaging water vapor and soil gas threats existing below the concrete slab. Air Permeability ASTM. Sentinel Moisture Barrier Polyethylene Film. Chemical Resistance Consideration If a vapor barrier is being used under a slab to control vapors at a brownfields site, the chemical resistance of the vapor barrier must be considered. Viper Vapor Barrier Tape - White 4" X 180' 68189. 30in. Vapor 3-in-1 Blue underlayment is the most budget friendly option of all vapor barrier underlayment. By understanding the characteristics and applications of 6 mil, 10 mil, and 20 mil barriers, you can educate your clients effectively, helping them make informed decisions to safeguard their homes from. In very warm, humid climates such as the Southeastern United States, crawlspace encapsulation is often the most effective way to solve and prevent moisture damage. In recent years, a near-infrared ratio technique based on satellite images has become a research hotspot in the field of precipitable water vapor (PWV) monitoring. An underlayment that offers a vapor barrier is essential to protect any flooring installed over a subfloor that emits moisture, like concrete. Sentinel XS Radon Vapor Barrier (1) Sheet Metal Protection (1) Signs of Crawl Space Issue (1) Skrim (1) Skrim- String Reinforced Polyethylene (1) Sola Wrap (1) Spill containment plan (1) Steel Banding or SolaWrap (1) Steiner Tunnel Test (1) Structural Care (1) Successful Greenhouse Venture (1) Supplemental Lighting (1) Surface. When used over a concrete subfloor, ECF eliminates the need for an additional vapor barrier, saving time and money. $58. This is roughly three times the size of Brazil. See other videos on how to install a vapor barrier to a foundation wall with no drilling or. . In most residential applications, this will be a tamped earth subgrade or crushed rock base course, depending on local code. Stego Wrap 20-Mil is manufactured with only the highest grade of prime, virgin, polyolefin resins which allows this product to greatly resist degradation. Step 4: Install Underlayment. The Cost of Vapor Barrier Installation. • Reduce in-room noise and impact sound for quieter, more pleasant spaces. 2mm 3in1 Construction. Trim around any obstructions or openings and patch with fab tape and seam tape if desired. This video describes the process of installing a moisture barrier over a concrete subfloor. Department of Energy calls a vapor barrier a "vapor diffusion retarder" since plastic sheeting, even with seams sealed, cannot seal off 100% of the moisture. 9 ft. B. Eco Ultra Quiet Premium Acoustical Underlayment. Vapor barriers are the key to keeping moisture from where it doesn’t belong to prevent warping, mold, and other problems. Because of these gaps, water vapor. 0, via Wikimedia Commons. Apply for a Home Depot Consumer Card. MoistureBlock is a convenient and effective 6mil vapor barrier specifically designed for all floating hard surface flooring where subfloor moisture is a concern. V-Force membrane is intended for use as a vapor retarder in Firestone roofing systems and may be used as a. Once securely affixed to the wall, it guides any potential wall seepage into our AquaStop™ BasementGutter™ interior drainage system, delivering swift relief from dampness. Air & Vapor Barrier Laminated Boards; Air & Vapor Barriers. Sentinel XS Radon Vapor Barrier (1) Sheet Metal Protection (1) Signs of Crawl Space Issue (1) Skrim (1) Skrim- String Reinforced Polyethylene (1) Sola Wrap (1) Spill containment plan (1) Steel Banding or SolaWrap (1) Steiner Tunnel Test (1) Structural Care (1) Successful Greenhouse Venture (1) Supplemental Lighting (1) Surface. 150sqft 1. $55. x 167 ft. A durable barrier system that saves on your bottom line. Whereas wall vapor retarders may have varying degrees of permeability based on Climate Zone and location in the wall, a below-slab (or crawl space) vapor retarder must have a permeance less than 0. Allow SENTINEL S BONDING ADHESIVE to partially dry before bonding membrane to substrate (approx. DRYTEK Moisture Vapor Barrier can be pigmented for use in conjunction with SPARTACOTE® system offering. If possible water should be applied as a spray from a fogging nozzle since this is a surface burning material. Bestlaminate 3in1 Basic Vapor Barrier Flooring Underlayment W Overlap and Tape. SENTINEL® PVC Roof Systems. The short answer is NO! Vapor barriers are only installed over dirt in a crawl space or the walls and floor of a basement. Roll 46. The WallSeal™ Vapor Barrier is a durable, 12-mil thick shield crafted to ward off moisture penetration in your basement walls. They are installed on top of cement backerboard, which is over the studs. Sentinel XS Radon Vapor Barrier (1) Sheet Metal Protection (1) Signs of Crawl Space Issue (1) Skrim (1) Skrim- String Reinforced Polyethylene (1) Sola Wrap (1) Spill containment plan (1) Steel Banding or SolaWrap (1) Steiner Tunnel Test (1) Structural Care (1) Successful Greenhouse Venture (1) Supplemental Lighting (1) Surface. 36in. Stilfehler, CC BY-SA 4. ft. Economical mitigation strategy. It is specially designed to offer superior bond with adhesives, making it a great choice for glue-down installation. Waterproofing. Sentinel Protect Plus Underlayment. USES: Vapor Sentinel 20-Mil Vapor Barrier is a sub-slab barrier. Our vapor barrier measures up to 20 mil, which. Heavy Duty Vapor Barrier Seam Tape for Crawl Space and Marine Use. 5 mm T Underlayment for Laminate, Engineered Hardwood, Vinyl. Most of the barrier materials used in the construction industry are vapor or moisture diffusers or retarders. As one of the most important greenhouse gases, water vapor plays a vital role in various weather and climate processes. 100% waterproof, mold proof and vapor-resistantBuy from trusted and established brands like Sentinel ; The most affordable underlayment items;. You’ve rolled out tens of thousands of square feet of your below-slab vapor barrier, the highly-engineered plastic that will protect your slab from. Install-Ready: Patented built-in 6 mil vapor barrier with 3” overlap and self-sealing tape for easy installation. Silicone Vapor Shield 400 sqft. Efficient and flexible installation. The function of a vapor barrier is to retard the migration of water vapor. 100% waterproof, mold proof and vapor-resistant Buy from trusted and established brands like Sentinel ;. All Vapor Sentinel products are manufactured by Vapor Products Group. , Silver Chrome (Pack of 2). About Us. This underlayment acts as a slipsheet to minimize dust and reduce noise. Seal all wall cracks and holes in the wall being vapor-proofed to block air gaps. ft. A vapor barrier is not typically intended to retard the migration of air. Wall Air Barriers Technical Manual. AquaStop WallSeal™ Vapor Barrier is a heavy-duty 120-mil thick sheeting, specifically engineered to stop moisture infiltration through your basement walls. Throughout most of the year, the pea gravel is damp. Although crawlspace vents were originally designed to facilitate humidity exchange with the outside air, they may contribute to mold. 3in1 Blue Vapor Barrier Underlayment is universal and affordable. Calculate my square footage Length Width. A quality air and vapor barrier membrane helps create an efficient exterior wall system by preventing air, and any accompanying moisture, from infiltrating the structure’s interior. If you live in Alabama (Mobile, Birmingham, Huntsville) or Tennessee (Nashville, Chattanooga, Knoxville), AFS can install a vapor barrier in your basement. For more information about this video or Fausfloor® products visit for use on wood or concrete subfloors and on any level of your home, including basements. DRYTEK Moisture Vapor Barrier exceeds ASTM F3010 standard with a perm rating of 0. Stego Wrap Vapor Barrier – it comes in various thicknesses: 10 mils (0. SENTINEL VCM can be used to fabricate metal flashings, pitch-pans and edge details. Where it is located in an assembly and its permeability is a function of climate, the characteristics of the materials that comprise the assembly and the interior conditions. The product can also be used to encapsulate crawl space floors and. Install vapor barrier on piers or support walls at least 18" above floor. Suitable for all types of subfloor including cement subfloor. com | 888-355-1522. It allows the user to create effective methods in detailing PVC-to-metal transitions. 84T Laminate Blade $46. Spray foam may be used by professionals, but most do-it-yourselfers lack the equipment or experience for working with spray foam. 120sqft 1. 30in. SENTINEL VCM can be used to fabricate metal flashings, pitch-pans and edge details. 99 / piece Size: 120sqft Color: Black. Check Price. (68) Questions & Answers (52) Low water vapor permeance is perfect for soil and granular fills. per roll, Moisture Barrier eliminates the hassle of dealing with a giant sheet of folded plastic. 200sqft 1. SENTINEL P200 is reinforced with a tenacious, anti-wicking, weft-inserted polyester fabric that is encapsulated on both sides with a proprietary thermoplastic PVC formulation. Roll. A vapor barrier is meant to protect your crawl space from any moisture that tries to seep through. SOPREMA’s SENTINEL line was the product of choice for this project because of its proven quality, competitive pricing and superior technical support. Vapor-retardant paint can be tinted, and it can be applied on new gypsum board and over painted surfaces. Buy from trusted and established brands like Sentinel ; The most affordable underlayment items;. We would like to show you a description here but the site won’t allow us. It allows the user to create effective methods in detailing PVC-to-metal transitions. These walls are also insulated for sound proofing so even more important to water seal the outer layer from the inner cavity. SENTINEL® P150 HFB. On average, a vapor barrier costs around $0. Accessories & Primers; Membranes. Air & Vapor Barriers; Accessories & Primers. Americover offers durable string-reinforced vapor barriers made from 100% virgin polyethylene, which comes in 6 mil to 20 mil. SOPREMA’s relentless pursuit of technological advancement, sustainability, and product quality has been known and respected around the world for over 100. basement underlayment. Of all the things you can do to maintain a healthy crawl space, a high-quality crawl space vapor barrier could be one of the most important ones. I have a crawl space underneath my house. oz. $29. They prevent moisture from entering your home’s crawl space, which can cause a wide range of issues, such as mold growth, high humidity, structural damage, and poor indoor air quality. $143. HELPS REDUCE NOISE. 1 perms. The concrete slab is then poured on top of it. Picture 8 - Conduit Connection *Note 11x17 drawings are available in Appendix A – Installation drawings . 3. Its superior strength helps to protect locking systems and joints. Primers; Field & Flashing Membrane Resins;. Sentinel XS Radon Vapor Barrier blocks out radon and water vapor even during extreme seasonal temperature changes. In every side of a building envelope, we are trying to create environmental separation and control the movement of four things: liquid water, air, water vapor, and thermal energy (heat). 300sqft 3. For a complete building envelope, built with the durability you've come to know in our roofing and waterproofing products, SOPREMA offers a comprehensive line of air and vapor barrier products ranging from self-adhered to spray or roller grade permeable and non-permeable options. It rides upon air currents or it simply migrates from areas of high moisture and high temperature to drier, cooler areas. 200sqft 1. The vapor retarder shall be installed on the warm-in-winter side of the thermal insulation. With the insulating R. 00 / piece Size: 1000sqft Color: Black. Install vapor barrier over the entire floor area allowing for a 12" overlap for the wall curtain and all floor seams. Calculate my square. x 50ft. Moisture/Vapor Barrier Underlayment . However, only an air barrier prevents airflow (and the moisture attached to it) into the envelope. SENTINEL S BONDING ADHESIVE is applied using a 3/8 in nap, solvent resistant roller. 1. Knowing that vapor barriers are an effort in futility in a van, the relative humidity inside of your van will eventually make its way to the inside of your walls through tiny gaps and convection. Air & Vapor Barrier Laminated Boards. ROBERTS 70-198 Silicone Moisture Barrier 200 sq 31. Accessories & Primers; Membranes. As most crawl spaces will require two rolls for completion, it could cost a DIYer as little as $140. We'll explore the science behind crawl space liners, assess their durability, and uncover the advantages of thicker options, particularly the 20 Mil. Eliminates water and vapor migration. We use high performance plastic sheeting products used in everyday construction, industrial, and agricultural applications. x 0. The presenter is using 6 mil thick poly barrier. SOPREMA products create a protective. Larger hole (s) or slice (s) in the vapor barrier: Clean the area of adhesion. 1 perm – 1. Buy from trusted and established brands like Sentinel ; The most affordable underlayment items;. lucyna99 | May 18, 2016 11:00pm | #9. The cost of installing vapor barriers can vary depending on your crawl space’s size, the damage’s extent, and the materials used. 3-in-1 Vapor Underlayment. SOPREMA provides high-performance thermoplastic polyvinyl chloride (PVC) roofing membrane in multiple options. 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. Creates a solid adhesive bond with the concrete surface to prevent water migration between the concrete and membrane. 1. What are. These can be as affordable and flexible as a sheet of plastic or as expensive and rigid as a sheet of glass. x 25. Unroll the vapor barrier and lay it over the concrete surface you wish to protect. 6 mil reinforced vapor barrier. MoistureBlock 2-1/2 ft. Sentinel Premium Quiet Underlayment. ft. The vapor barrier will cover and be sealed around them, so it’s worth double-checking now. Airflow contains 50 to 100 times more water than that carried by vapor diffusion, emphasizing a home’s building envelope’s. ft. Installing the best vapor barriers in your garage walls will significantly reduce moisture problems that might lead to rot and decay. This is where your video banner will be. com Sika9 fl. 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. Vapor barriers come in a variety of materials, with two of the most common options being. Unroll and trim vapor barrier sheets. There are a variety of underlayment options and brands to choose from. Roll -. See installation instructions and warranty information for more guidance. (Crawl space floor vapor retarders are not exempted. The goal of this underlayment is to block vapor and moisture, so an overlapping, tight seal will prevent any moisture damage through the barrier. Steel, aluminum, wood, plastic, and glass are all examples of galvanized steel, in addition to galvanized steel, aluminum. About Us. Vapor barriers used in standard construction practices are not typically designed to mitigate. A wall system should have one vapor barrier, but can have many air barriers. x 84T piece Add to Cart. Unroll one width of the 2in1 Vapor Underlayment. 300sqft 3. A vapor barrier is a thin material laid over the subfloor before the installation of the new floor to protect against moisture and water damage. If a crack develops in the slab or base material, the barrier’s stress. Air & Vapor Barrier Laminated Boards. But in order to act in that role, it needs to be on the inside. Receive a free estimate for. , 6–15 mils) that are used to mitigate moisture transmission through concrete. The higher the rating, the more effective at limiting sound. 6-mil Vapor Barrier. Sentinel Systems. Contact Us. ft. However, the degree by which each moves, and level of control (i. oz. A great vapor barrier should be around 10 to 20 millimeter of polyethylene and should not be placed right on top of the green board. x. Air & Vapor Barrier Laminated Boards; Air & Vapor Barriers. x 100 ft. PVC Membranes; PVC Accessories; PVC Adhesives; ALSAN® RS Liquid Resins. SOUND REDUCTION: Reduces sound transfer, making the floor quieter in the home. NOTE: For standard laminate (without pre-attached padding) use standard or vapor underpayment padding. )Wet insulation is relatively ineffective, paper peels off wet walls and wet wood rots. and stick tile installation or other floor type job in a basement it's always a good idea to use some sort of moisture barrier protection. e. 120sqft 1. Vapor barriers are also a cold climate artifact that have diffused into other climates more from ignorance than need. x. 2. SOPREMA products encompass the full range of commercial roof coating needs, from primers that block bleed-through to EPDM and low-VOC options, silicone roof coating for low-slope applications or rust-inhibitive acrylic roof coating. The built in moisture barrier protects your floor against harmful moisture vapor. A smarter approach to air and vapor control. Vapor Barriers: Removal, Replacement, and Cost. The size of the ozone. 006 in. 10 MIL Viper II Barrier 14’ x 210’ for Underslab . This barrier is securely anchored to the walls, channeling any seepage into our superior AquaStop BasementGutter™ interior drainage system, providing instant protection for damp walls. The size of the ozone. We’re also a leading provider of. So the boards are resistant against water, moisture and humidity, SENTINEL CEMENT FOAM BOARD is an excellent alternative to traditional wall at shower, sauna, and any wet area where waterproofing and vapor barrier is absolute necessary to protect your home from mold and mildew. SOPRASEAL STICK VP is a lightweight 24-mil self-adhered, vapor-permeable, water-resistive air barrier used in wall construction. The presenter is using 6 mil thick poly barrier. GREAT VALUE. The yellow plastic film should face the subfloor and the overlap should be on the opposite. $143. Topside. $29. Basements, because they’re below grade, are prone to excess humidity and moisture, which can cause mold growth and other problems. ,. x 50ft. Ultimately, the goal of vapor barrier strategies and sealing tapes is to prevent moisture from collecting and corrupting building materials and be less susceptible to long-term moisture problems. This is the function of air barriers. It is designed for low temperature vapor barrier joint closure applications. Also insure that the wedge barrier is set so that the wedge is facing the proper directionSENTINEL P200 HFB is a high-performance, fleece-backed, thermoplastic polyvinyl chloride (PVC) membrane designed for both steep and low slope applications…. Consider these sound ratings in your vinyl underlayment for commercial or apartment buildings. If low density open cell spray foam, flow through. ROBERTS® Silicone Moisture Barrier Underlayment is designed to protect floors from moisture, without trapping it underneath the floor covering. SENTINEL P150 HFB is a high-performance, fleece-backed, thermoplastic polyvinyl chloride (PVC) membrane designed for both steep and low slope applications…. But it failed. Waterproofing Preservation Polishing Epoxy Coatings Traffic Coatings Concrete Preperation Vapor Barriers Other Services. This inhibits the green board from soaking because of the moisture hence hindering it from possible eventual crumbling. Simple system activation. BEST BANG FOR THE BUCK: Bestlaminate 3 in 1 Flooring Underlayment. (Source: Sentinel Pest) In Conclusion. The WallSeal™ Vapor Barrier is a durable, 12-mil thick shield crafted to ward off moisture penetration in your basement walls. PVC Membranes; PVC Accessories; PVC Adhesives; ALSAN® RS Liquid Resins. English. This study proposes a Level 2A PWV data. Fashion Institute of. $143. These films offer better oxygen barrier properties compared to low-density polyethylene or polypropylene, but are not as effective as nylon or EVOH for oxygen permeability. Next, to prevent cold air from entering the crawl space, install R30 Fiberglass insulation into the bond cavity. Sentinel Systems LLC. 85-ft x 1. Vapor 3-in-1 Underlayment Silver (100 sq. First introduced in the U. I would like to speak with my county inspector about using this approach to make sure I don't have problems during construction. Ideal for for all flooring ranging from concrete slab, bamboo, floating and wood floors, or even laminates engineered hardwood! This underlayment is 2mm thick and will provide. 120sqft 1. Where it is located in an assembly and its permeability is a function of climate, the characteristics of the materials. For applications as diverse as roofing, below grade waterproofing, plaza deck and balcony waterproofing, air and vapor barriers and bridge and parking structures, SOPREMA has the solution. . $72. As a second line of defense, the system allows for simple and easy mitigation system installation if the need arises. Nylon - Suitable for oxygen barrier formulations. A vapour barrier is an important component in building construction. Flooring Inc. Vapor barriers restrict the flow of water vapor (diffusion) through materials. , how much we stop or let. 3M acrylic adhesive technology allows for primer-free application from lightweight rolls that saves you up to 40% on installation time. x 40 ft. ALSAN FLASHING is a unique polyurethane bituminous resin specifically formulated for liquid-applied flashings, details and maintenance applications. 100sqft 5. 94 / piece Size: 100sqft. Thickness of the barrier restricts the migration of soil gases. W x 25. These can condense on cold surfaces and get trapped between walls and cavities, which can cause rot and mold to form. No need to bother with large fold out, low quality, construction grade films. The humid air is indoors. Once securely affixed to the wall, it guides any potential wall seepage into our AquaStop™ BasementGutter™ interior drainage system, delivering swift relief from dampness. This plastic poly sheeting from Boen is made from a durable water-resistant material and efficiently acts as a protective barrier for a multitude of construction, agriculture and demolition projects. SOPRASEAL LM 202 VP is a one-component spray applied vapor-permeable air barrier membrane used in wall construction. ANSWER: Any of our Vapor Barrier types of products can be used in this application over the concrete slab. SENTINEL P150 is a high-performance, bare-backed, thermoplastic polyvinyl chloride (PVC) membrane designed for both steep and low slope applications. 99 / piece Size: 10in. A durable barrier system that saves on your bottom line.