A durable barrier system that saves on your bottom line. Q. Step 6: Seal"The Sentinel-5P total ozone products have an accuracy at the percentage level compared with ground-based data and this allows us to closely monitor the ozone layer and its evolution," said senior. We are your trusted partners in new construction technology. Accessories & Primers; Membranes. 00 Perms, which implies nothing can get through. Apply Clear All Approximate Size Approximate Size 1000sqft 1. It is made of premium-quality polyethylene to ensure long-term use. These walls are also insulated for sound proofing so even more important to water seal the outer layer from the inner cavity. Air & Vapor Barrier Laminated Boards. com | 888-355-1522. Sentinel Moisture Barrier Polyethylene Film. x 50ft. A step up from the 2-in-1 underlayment option is is the 3-in-1 Vapor Underlayment. 194sqft 1. 6 ft. 200sqft 1. Install-Ready: Patented built-in 6 mil vapor barrier with 3” overlap and self-sealing tape for easy installation. Roof Protection. Viper VaporCheck II (Viper II) is the. Check Price. 99 / piece SKU: 100654631 View Specifications Size: 200sqft Calculate my square footage Size Of Your Project: Number of pieces. The barrier has Class I and II (A and C) variants. A wall system should have one vapor barrier, but can have many air barriers. Others advise. 5 mm T Underlayment for Laminate, Engineered Hardwood, Vinyl. For optimal moisture control you will want to overlap the poly barrier by at least six inches. ASTM E 96 measures in part the "permeance" or how much water can pass through the vapor barrier. barrier container vapor studs shipping steel practical sunshine advice state containers. 35 and $2 per square foot, or a total of between $1,500 and $4,000 for labor and materials. $55. Silicone Vapor Shield 400 sqft. 005 perms, which is still very low. Make sure all Conduits are capped and stubbed outside of the foundation area before pouring. Accessories & Primers; Membranes. It has been precisely engineered to offer exceptional robustness while remaining lightweight. These can be as affordable and flexible as a sheet of plastic or as expensive and rigid as a sheet of glass. SOPRA-TITE SENTINEL® Drip Edge. Quantity. lucyna99 | May 18, 2016 11:00pm | #9. x 50ft. 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. 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. Apply Clear All Approximate Size Approximate Size 1000sqft 1. The Most Specified Below-Slab Vapor Barrier in North America. 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…. Complete 26-ft x 3. 8 mm) gap is required between sections of walkway pad to. SENTINEL. Vapor Barrier Vapor. Vapor control layer If high density closed cell spray foam, vapor control layer is spray polyurethane foam. W x 100 ft. SOPREMA products include accessories for PVC roofing. Fasten vapor barrier to wall. Its purpose is to help prevent water vapour from reaching building walls, ceilings, attics, crawlspaces or roofs, where it can condense and cause building materials to rot or grow mould. This is roughly three times the size of Brazil. A vapor barrier or retarder must have a permeance of 0. Although crawlspace vents were originally designed to facilitate humidity exchange with the outside air, they may contribute to mold. 30in. Support our channel if you find our content valuable This video reveals how to make and install a 6 mil poly waterproof plasti. Air & Vapor Barrier Laminated Boards. 100% waterproof, mold proof and vapor-resistantBuy from trusted and established brands like Sentinel ; The most affordable underlayment items;. A crawl space vapor barrier is a specific type of plastic sheeting/ membrane that works to prevent the infiltration of water vapor from passing through to the surface above. AquaStop WallSeal™ Vapor Barrier is a heavy-duty 120-mil thick sheeting, specifically engineered to stop moisture infiltration through your basement walls. About Sentinel. Suitable for all types of subfloor including cement subfloor. Vapor Barrier Vapor. Sentinel 6mm Cork Underlayment Roll. Husky. 97 $ 30. See the sample Standard Product Replacement Warranty below. Stego has several barriers made specifically for crawl space encapsulation. ft. Install vapor barrier over the entire floor area allowing for a 12" overlap for the wall curtain and all floor seams. Water vapor can enter a basement or crawlspace by evaporating from the interior surface of a damp wall or slab. Subscribe Now:More:a vapor barr. See other videos on how to install a vapor barrier to a foundation wall with no drilling or. Best Time to Call. An underlayment that offers a vapor barrier is essential to protect any flooring installed over a subfloor that emits moisture, like concrete. 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. Cork is naturally antimicrobial, and polyethylene offers exceptional moisture resistance. 28664. Install-Ready: Patented built-in 6 mil vapor barrier with 3” overlap and self-sealing tape for easy installation. . The size of the ozone. Primers; Field & Flashing Membrane Resins;. Contact ; Sentinel Systems. The vapor barrier will cover and be sealed around them, so it’s worth double-checking now. Thickness and installation procedures differentiate TMs from common vapor barriers. The downside to using a waterproofing membrane is that it's expensive. Vapor barriers in new home in North Okanagan, BC Canada. Final Concrete pour Section 4 The Sentinel barrier requires 3000 psi concrete. ft. Setting Wedge Barrier After the Concrete has set – place the Sentinel wedge on the Barrier Base pad A. 5 – 1 inch above final roadway grade. Flooring Inc. MOIStuRE PROtECtION MoistureBlock helps to protect floors from harmful moisture especially over concrete subfloors. Size: 120sqft. If the poly is below the dew point, you get condensation on the poly. View Full Product Details. Class III – The vapor barriers are permeable, making them the lowest forms of moisture barriers. 0 perms). 5 mm T Underlayment for Laminate, Engineered Hardwood, Vinyl Tips for concrete floor vapor barrier installation: 1. For more information about this video or Fausfloor® products visit Perfect for use on wood or concrete subfloors and on any level of your home, including basements. This sheeting can be used as a temporary cover for equipment and supplies. Ships from and sold by ProtectItRight. This heavy duty 60 yard roll of moisture resistant crawl space vapor barrier seam and seal tape is highly durable, waterproof and weatherproof. Vapor Retarder Technical Manual, Low-Slope Roofing. Primers; Field & Flashing Membrane Resins;. Water stop. This is roughly three times the size of Brazil. 20K views 7 years ago 6 mil reinforced vapor barrier. oz. 00 / piece Size: 194sqft. SOPRAFIX® 3″ PLATES. This tape features a pressure sensitive, aggressive, cold weather acrylic adhesive. Moisture and mold protection. RUNNER-UP: QuietWalk Plus QW100PLUS Underlayment. Backed by unparalleled project and educational support, Stego 15-Mil. A vapour barrier is an important component in building construction. 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. 00 each. 1 perm – 1. x. MoistureBlock is a convenient and effective 6mil vapor barrier specifically designed for all floating hard surface flooring where subfloor moisture is a concern. Vapor barriers aren’t really what they seem to be. It is made of premium-quality polyethylene to ensure long-term use. Apply butyl tape to walls. Air Permeability ASTM. 400SQFT AMERIQUE Premium 3 mm Thick Flooring Underlayment Padding with Tape & Vapor Barrier 3 in 1 Heavy Duty Foam (400SF Total, 200SF/Roll), 400 sq. SENTINEL P200 HFB is reinforced with a tenacious, anti-wicking, weft-inserted polyester fabric that is encapsulated on both sides with a proprietary thermoplastic PVC. Re: Vapor barrier acoustic sealant. What are. We offer complete waterproofing and coating solutions for the commercial and industrial marketplace. Its superior strength helps to protect locking systems and joints. The vinyl coated metal can be used in both. Offers full-adhering, watertight laps at all joints. 100% waterproof, mold proof and vapor-resistant Buy from trusted and established brands like Sentinel ;. 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. 100sqft 5. SENTINEL® PVC Roof Systems. You can also create a vapor barrier or cover crawl spaces thanks to its multipurpose design. Sentinel Moisture Barrier Polyethylene Film. Sentinel XS Radon Vapor Barrier blocks out radon and water vapor even during extreme seasonal temperature changes. Clean floor and perimeter walls. You can also create a vapor barrier or cover crawl spaces thanks to its multipurpose design. 1 mm) weld along the entire perimeter. and monitoring (OM&M) are needed to make sure the system continues to protect building occupants. No need to bother with large fold-out, low quality, off-spec, construction grade films, which can be bothersome and hard to use before the. Well, not exactly. Ideally, the liner should be sealed to the concrete floor using tape,. GREAT VALUE. In construction where moisture or its freezing will not damage the materials. Once your subfloor is inspected, repaired, and prepared, you are ready to start your installation. Basement Remodeling Ideas & How Tos Vapor SentinelTM Vapor Barrier Safety Sheet Continued on next page. ( 78) Model# 556487. 99 / piece Size: 100sqft Color: Multi Color. 300sqft 3. Primers; Field & Flashing Membrane Resins;. We’re also a leading provider of roofing. 5 – 10 minutes). The vinyl coated metal can be used in both. Crawl Space Vapor Barriers key considerations: Permeability of water vapor, tensile strength of the film, and puncture resistance. The audimute sentinel basic vapor barrier is perfect for homes, offices, studios, restaurants, and any other space to help block sound from entering or exiting. 006 in. 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. (may be higher, check job specifications or building codes) 4. 50 to $0. MoistureBlock 2-1/2 ft. MoistureBlock 2-1/2 ft. That means that if you live in a cold northern climate where you have more heating days than you have AC days, your vapor barrier should be on the inside of the wall assembly (just beneath the drywall). Efficient Installation Proprietary Patented Technology Learn More New Construction Economical mitigation strategy Soil gas and moisture control Vapor Monitoring. Installing the best vapor barriers in your garage walls will significantly reduce moisture problems that might lead to rot and decay. 0 perm Vapor Retarder Classifications - IRC •Vapor impermeable: < 0. ALSAN Coatings are VOC compliant, high-quality, single-component roof coatings and protective barriers for a variety of low slope roof surfaces and substrates, and designed specifically for the rigors of professional roofing. 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. Roll 46. Sika. rolls eliminate the hassle of dealing with a giant sheet of folded plastic. Top-quality polyethylene resins exceed the industrial standards. Because of these gaps, water vapor. Warranty Selections. ENVIRONMENTAL FACTORS: Vapor Sentinel 20-Mil Vapor Barrier is used in systems for the control of soilUSES: Vapor Sentinel 10-Mil Vapor Barrier is used for sub-slab installations, to protect indoor structures from soil gas transmissions, as well as moisture vapor. 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. Economical mitigation strategy. 9′ X 100′. Efficient and flexible installation. Thickness and installation procedures differentiate TMs from common vapor barriers. rolls eliminate the hassle of dealing with a giant sheet of folded plastic. The presenter is using 6 mil thick poly barrier. Ameristar recommends utilizingSOPRASEAL LM 202 VP is a one-component spray applied vapor-permeable air barrier membrane used in wall construction. All of these underlayment options are low density polyethylene. A. MoistureBlock™ is a low-density polyethylene film that can be used during the installation process where additional moisture protection is needed. 7 ft. Also commonly used to cover crawl spaces and as a temporary cover for equipment. Our vapor barrier measures up to 20 mil, which. Throughout most of the year, the pea gravel is damp. e. Air & Vapor Barriers; Accessories & Primers. $897. MOISTURE. Spray foam may be used by professionals, but most do-it-yourselfers lack the equipment or experience for working with spray foam. 2in1 Underlayment comes in rolls and has an overlap on one side of the roll. Some plastic sheeting vapor barriers have self-sealing edges, so you don't have to. With the insulating R. AMERIQUE AMBLPD3M 3-in-1 Heavy Duty Foam 3mm Thick Premium Flooring Underlayment Padding with Tape and Vapor Barrier, 200 Square', Royal Blue, Feet. ROBERTS 70-198 Silicone Moisture Barrier 200 sq 31. 1 Perms IMP or less to be considered “impermeable. Others may desire a warranty crafted to address a particular type of assembly or system. Check for protruding nails and defects in the subfloor. 3. Most of the barrier materials used in the construction industry are vapor or moisture diffusers or retarders. Air control layer Stud bay cavity polyurethane spray foam insulation. subfloor for lvt. Clear Plastic Sheeting is suitable for construction and DIY projects. 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. A vapor barrier is a plastic liner placed on the crawl space floor, and sometimes the walls, that blocks outside moisture from entering the crawl space. We use high performance plastic sheeting products used in everyday construction, industrial, and agricultural applications. DRYTEK Moisture Vapor Barrier Pigment Base is to be mixed with. Vapor Barrier 4. Air & Vapor Barrier Laminated Boards. VaporSentinel. Assuming all other aspects of moisture con-trol are handled correctly, the main influence on the location of the vapor barrier is climate. " Although they are technically two separate terms, the term vapor. Accessories & Primers; Membranes. Sentinel adhesive primer acts as a vapor reducing moisture barrier. April 15, 2011. Abstract. When used over a concrete subfloor, ECF eliminates the need for an additional vapor barrier, saving time and money. If the plastic. 1 perm ‐Foil facing •Vapor semi-impermeable: 0. Felt: Denser than foam, offering more sound insulation, and some options can have an attached vapor barrier. $58. 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%,. 120sqft 1. , 6–15 mils) that are used to mitigate moisture transmission through concrete. 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. 99 / piece Size: 100sqft. Vapor barrier installation services typically can be completed in one day as they are less involved compared to full crawl space encapsulation. x 50ft. x 25 ft. Vapor Sentinel New Construction Systems eliminate the need for costly trenching and aggregate backfill with its stronger-than-concreate gas-permeable layer. Trim around any obstructions or openings and patch with fab tape and seam tape if desired. 2. CALI. Installing a vapor barrier yourself can be somewhat challenging and require more than traditional home improvement tools. Rather than trapping moisture, this semi-impermeable vapor barrier, allows moisture to slowly dissipate through the flooring without mold developing and without causing cupping or buckling of the flooring. Using a utility knife, cut the length long enough to wrap edges up the wall 3 - 4 inches. Apply butyl tape to walls. $33. If you need to over-lap the vapor retarder, 6 inches at the seams, taped and sealed. The top-selling product within Attached vapor barrier Underlayment is the Lifeproof 100 sq. Americover offers durable string-reinforced vapor barriers made from 100% virgin polyethylene, which comes in 6 mil to 20 mil. Simple system activation. Below are the vinyl underlayments we offer at Bestlaminate. Foundation Protection. Roof insulation thermal resistance at roof perimeter should be equal or greater to thermal resistance of exterior wall. Complete air blockage is essential to provide a satisfactory moisture barrier, and will also maximize the wall's energy efficiency. A vapor barrier is meant to protect your crawl space from any moisture that tries to seep through. 59. It has prefabricated miters and accessories to ensure a proper fit and prevent the need for any field fabrication. Clear Plastic Sheeting is suitable for construction and DIY projects. An excellent discussion about the differences between vapor barriers and air barriers can be found in Quirrouette (1985). 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. If you don’t have an attached pad floor, the Sentinel Moisture Barrier Polyethylene Film or the Silicone Vapor Shield Underlayment works best. 1. Frame walls, floors and ceilings in jurisdictions in Zones 1, 2, 3, 4A, and 4B. 00 / piece Size: 194sqft. 99 / piece Size: 100sqft. HUSKY Yellow Guard Vapor Barriers are manufactured to be used in contact with soil and granular fill under concrete slabs, beams and footings and provide exceptionally low. x 210 ft. 2. 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. 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. . 0, via Wikimedia Commons. The proper way for homeowners to insulate a crawl space is to insulate the walls and lay a vapor barrier on the ground. This thin plastic film is suitable for laminate flooring with pre-attached underlayment and vinyl floors. The function of a vapor barrier is to retard the migration of water vapor. We can start with a basic building science refresher. Vapor barriers are chosen according to their permeability and how easily. Fasten vapor barrier to wall. 200sqft 1. Vapor Sentinel New Construction Systems eliminate the need for costly trenching and aggregate backfill with its stronger. 79. MP Global Products MoistureBlock™ Floating Floor Underlayment Vapor Barrier. . The US Department of Energy recognizes all three, but. Polyethylene Film. Vapor Barrier 4. 99 / piece Size: 300sqft Color: Black. The floor above it is insulated. Find helpful customer reviews and review ratings for QuietWalk Plus Laminate & Wood Flooring Underlayment (Float, Glue, or Nail) with Vapor Barrier- Sound Reduction, Compression Resistant, Moisture Protection 3'Wx33'4”L Roll (Covers 100 sq ft) QW100PLUS at Amazon. DUOTACK SPF HFO Adhesive is a low pressure, two-component spray polyurethane foam adhesive formulated for adhering SENTINEL HFB (heavy fleece back) membranes, insulation and coverboard to approved substrates. , 6–15 mils) that are used to mitigate moisture transmission through concrete. View Product. Vapor barriers are the key to keeping moisture from where it doesn’t belong to prevent warping, mold, and other problems. 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. It's still leaking. Premium Universal Underlayment. Buy from trusted and established brands like Sentinel ; The most affordable underlayment items;. underlayment for laminate flooring. $68. It allows the user to create effective methods in detailing PVC-to-metal transitions. 1. This misunderstanding arises because air typically holds a great deal of moisture in the form of vapor. 59 $ 33. 2mm 3in1 Construction. 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. Step Seven: Insulate the Bond. ft. Air & Vapor Barrier Laminated Boards; Air & Vapor Barriers. The built in moisture barrier protects your floor against harmful moisture vapor. Purchase your 6 mil vapor barrier from a local home improvement store or online retailer. With a baseline water vapor permeance rating of 0. . If you live in Alabama (Mobile, Birmingham, Huntsville) or Tennessee (Nashville, Chattanooga, Knoxville), AFS can install a vapor barrier in your basement. Step Eight: Installing Vapor Barrier Liner. Water can enter a basement or crawlspace in liquid form—through cracks in the walls, cracks in the slab, or the crack at the perimeter of the slab. Check out ECF's 10-in-1 features listed below. USES: Vapor Sentinel 10-Mil Vapor Barrier is used for sub-slab installations, to protect indoor structures from soil gas transmissions, as well as moisture vapor. 28665. Stilfehler, CC BY-SA 4. SOPRASEAL STICK VP is a lightweight 24-mil self-adhered, vapor-permeable, water-resistive air barrier used in wall construction. 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. Apply vapor barrier seam tape. SOPREMA’s relentless pursuit of technological advancement, sustainability, and product quality has been known and respected around the world for over 100. in 1948, these code requirements were never based on. 1. mates, a properly installed vapor barrier can be a valuable part of that design. Waiting a few hours will pay dividends for years. A thin foam underlayment made of polyethylene or polypropylene usually works best. The vapor retarder shall be installed on the warm-in-winter side of the thermal insulation. 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. SENTINEL COPPER ART Prefabricated Outside Corners SDS. . The Vapor Sentinel Soil Gas Control System is a sub-slab ventilation system that traps harmful radon and chemical VI gases and prevents them from entering the building. 921 Burnt Meadow Road. Contact us. Eco Ultra Quiet Premium Acoustical Underlayment. The question now is if you’ll also. $29. ). x. We'll explore the science behind crawl space liners, assess their durability, and uncover the advantages of thicker options, particularly the 20 Mil. 0 perm – 10. Contact ; Sentinel Systems Contact Us. 9 fl. SOPRAVAP’R® SKU: 14201. 052 grains/h/ft2/in. MOISTURE PROTECTION: Helps prevent mold, mildew, and other issues related to vapor transmission; THERMAL BARRIER: Decreases both. ft. The WallSeal™ Vapor Barrier is a durable, 12-mil thick shield crafted to ward off moisture penetration in your basement walls. Air barriers restrict airflow (and the water attached) through a material. In doing so, the idea is to keep relative. Pay $401. climates, vapor barriers, or -- more accurately -- vapor diffusion retarders (vapor retarders), should be part of a moisture control strategy for a home. This comprehensive outline delves into the crucial realm of crawl space vapor barriers, shedding light on their significance and the factors to consider when selecting the right thickness. 5 mmAlorAir® Sentinel HDi90 (Duct-able) Capacity. 100sqft 5. ENVIRONMENTAL FACTORS: Vapor Sentinel 20-Mil Vapor Barrier is used in systems for the control of soil Buy from trusted and established brands like Sentinel ;. 36in. Apply Clear All Approximate Size Approximate Size 1000sqft 1. The variants range from 6 mils. This video describes the process of installing a moisture barrier over a concrete subfloor. Upon cure, ALSAN Coatings form a durable, reflective coating that is highly flexible and resistant to natural weathering. It is made from 100% recycled contents that are environmentally safe, and a baked silicone coating that provides moisture impermeability under wood flooring. SOPRASEAL LM 202 VP is a water-based, ultra low VOC liquid product composed of a modified rubber formulation. Conversely, if you live in a hot climate like I do here. In a basement, it’s likely to cover the walls and possibly the floor, although it’s most common to see these sheets just cover the walls. Seal all wall cracks and holes in the wall being vapor-proofed to block air gaps. 3. Use extinguishing measures that are appropriate to local circumstancesthe sentinel barrier. Firestone recommends unrolling the V-Force™ Vapor Barrier Membrane on metal decks in the same direction as the deck, to allow the longitudinal seams to coincide with the top flutes of the deck. Air & Vapor Barrier Laminated Boards; Air & Vapor Barriers. The older term "vapor barrier" is still used even though "vapor retarder" is. The thermal control layer is also called insulation. Air & Vapor Barrier Laminated Boards. V-Force membrane is intended for use as a vapor retarder in Firestone roofing systems and may be used as a.