National code bodies agree. That means lower heating and cooling costs year after year, and a more comfortable building for tenants, employees and customers alike. The International Residential Code (IRC) requires either a Class I or II vapor retarder on the interior side of frame walls in climate zones: 5, 6, 7, 8 and marine 4 (see climate zone map). It has a large moisture storage (hygric buffer) capacity due to the block construction. In general water vapor moves from the warm side of building assemblies to the cold side of building assemblies. This free guide gives you the basics of building science in plain English. This can be accomplished by installing a bond break (a layer of tar paper) between the drainage plane and the stucco. A High Performance, Polymer-Based, Noncementitious Water-Resistive Membrane and Air Barrier A Flexible Mat 1/8 in (3.2 mm) Thick for Use With the Outsulation LCMD Systems 1-5 or the Outsulation RMD System . It is critical in this wall assembly as in Figure 6, Figure 7 and Figure 9 - that the exterior brick veneer (a reservoir cladding) be uncoupled from the wall assembly with a ventilated and drained cavity. Atlas recommends flashing EnergyShield Pro or Pro 2 into rough openings and other building transitions. Kraft-faced batts can be installed in all climate zones. A chemical that has a median lethal concentration (LC 50) in air of 200 parts per million by volume or less of gas or vapor, or 2 milligrams per liter or less of mist, fume or dust, when administered by continuous inhalation for 1 hour (or less if death occurs within 1 hour) to albino rats weighing between 200 and 300 grams each. The air barrier in this assembly can be either the interior gypsum board or the exterior gypsum sheathing. Flexible, Waterproof Elastomeric Exterior Coating, 100% Acrylic Coating Providing a Pearlescent Appearance, Ready-To-Use Smoothing Material for Dryvit Base Coat, An Acrylic Admixture for Portland Cement Mixes, Pigmented Acrylic Primer For Dryvit Finishes, Water-based, acrylic, semi-transparent primer, A Flexible Mat 1/8 in (3.2 mm) Thick for Use With the Outsulation LCMD Systems 1-5 or the Outsulation RMD System, A Polyethylene Spacer for Use with the Cement Board MD System, Dryvit Vent Assembly, Starter Strip, Track, Vent Track, Drainage Track and Drainage Strip. Leland, NC 28451. Air-impermeable is quantitatively defined by ASTM E 283. December, January and February). To find out more about the cookies we use, please read our Privacy Policy. Where an accurate boiling point is unavailable for the material in question, or for mixtures which do not have a constant boiling point, for the purposes of this classification, the 20-percent The modeling program used was WUFI (Kunzel, 1999). Enclosures are ventilated meeting ASHRAE Standard 62.1 or 62.2. Zone 5 requires a Class III (or lower) vapor retarder on the interior surface of insulation in ventilated insulated roof or attic assemblies.9. The Outsulite System is a high performance Outsulation system over steel studs in a prefabricated panel assembly and delivered to the job site for erection on the wall. The blowing agent used to produce the polyiso foam core does not contain any CFCs, HCFCs or HFCs. The fundamental principle of control of water in the vapor form is to keep it out and to let it out if it gets in. The moisture content of building materials that comprise the building assemblies all remained below the equilibrium moisture content of the materials as specified in ASHRAE 160 P under this evaluation approach. A high-performance Outsulation system with inherent moisture drainage that incorporates continuous insulation (ci) and an air/water-resistive barrier for optimal building envelope performance. Lstiburek, J.W. Their development is the subject of two ASHRAE papers (Briggs, Lucas & Taylor, 2003). Color-Tinted Acrylic Primer For Weatherlastic Finishes, Glass Fiber Mesh For Reinforcing Dryvit Base Coats, 100% Acrylic-Based Finish with Multi-Colored Quartz Aggregates, Templated Finish Resulting in a Brick Appearance, A Smooth 100% Acrylic-Based Dirt Pickup Resistance Finish, 100% Acrylic-Based Finish with the Appearance of Limestone Blocks, Exterior and Interior Quartz Aggregate Finish, 100% Acrylic-Based Finish with Large Mica Chips and Multi-Colored Quartz Aggregates, A 100% Acrylic-Based Finish with the Appearance of Travertine Stone. It has a Class III vapor retarder on the interior of the assembly (the latex paint on the gypsum board). If you click the "Accept All Cookies" button or continue navigating the website, you agree to having those first and third-party cookies set on your device. Foil-faced isocyanurate 1/2 thick (R 3.5) installed over a 2x4 frame wall meets requirement #9 in Chicago. Prefabricated Exterior Wall Insulation and Finish System for Use over Solid Substrates. Figure 16: Precast Concrete With Interior Spray Applied Foam Insulation. Therefore, a kraft-faced batt (Class II vapor retarder) is required on the interior of this assembly. Note that adsorbed water is different than absorbed water (see Kumaran, Mitalas & Bomberg, 1994). See Health and Safety Code Section 17921.1 for "Approved" as applied to the use of hotplates in residential construction referenced in Section 1.8.2.1.1. And it comes standard with our innovative AquaFlash Flashing system and Backstop NT air- and water-resistive barrier to better protect the building substrate. Plywood sheathing and oriented strand board (OSB) have perm values of greater than 1 perm when using the wet cup test. A Liquid Applied, Water-Resistive Membrane, Air Barrier and Class I Vapor Retarder . With our Modulite pre-fabricated panel program you get all of the benefits of the traditional Outsulation system, - lower installed cost, lower annual operating costs, lower environmental costs and limitless design flexibility all in a factory-controlled environment. In cold climates condensation is limited on the interior side of the vapor barrier as a result of installing all of the thermal insulation on the exterior side of the vapor barrier (which is also the drainage plane and air barrier in this assembly). It is not intended for use with an Outsulation system. (not the actual service conditions for typical residential occupancy but the design conditions for the simple steady state design procedure being used), Zone 4 (marine) 40 percent RH @ 70 degrees F (Dew Point 45 degrees F)Zone 5 30 percent RH @ 70 degrees F (Dew Point 37 degrees F)Zone 6 25 percent RH @ 70 degrees F (Dew Point 32 degrees F)Zone 7 20 percent RH @ 70 degrees F (Dew Point 28 degrees F). Backstop NTX Texture and Smooth. hbspt.forms.create({ CI has been an inherent component of the Dryvit Outsulation system since it was brought to the United States by Dryvit in 1969- truly a cladding system ahead of its time! That's why we offer ReVyvit by Dryvit: our industry leading renovation solution set. Dryvit's Textured Finishes (TAFS) over Insulated Concrete Forms (ICFs) marry two of the most energy efficient cladding systems on the planet into one super-energy efficient system - with exterior finish options to suit any design need. formId: '38e46f89-b694-4451-af5f-44a12d065064', The system provides continuous insulation to meet local Energy Codes and architectural appeal that has made Dryvit the number one choice in North America. The Outsulite System is a high performance Outsulation system over steel studs in a prefabricated panel assembly and delivered to the job site for erection on the wall. The spray foam insulation installed on the interior of the precast concrete is non-moisture sensitive and allows the wall to dry inwards. Figure 12: Frame Wall With Cavity Insulation and Stucco With Interior Vapor Retarder, Applicability Limited to marine, cold and very cold regions. In the strictest sense air barriers are also vapor barriers when they control the transport of moisture-laden air. This combination must always be used over substrates such as Insulated Concrete Forms and EPS shapes. A Liquid Applied, Water-Resistive Membrane, Air Barrier and Class I Vapor Retarder . Three-coat hard-coat stucco installed over two layers of Type D asphalt saturated kraft paper and OSB has a combined perm value of less than 1.0 under a wet cup test. Note that vapor retarders are defined and classed using ASTM E-96 Test Method A (the desiccant method or dry cup method) or Test Method B (the wet cup method). Prefabricated Exterior Wall Insulation and Finish System for Use over Solid Substrates. This can be a problem in any air-conditioned enclosure. portalId: '1781455', Microsoft pleaded for its deal on the day of the Phase 2 decision last month, but now the gloves are well and truly off. This can be accomplished by installing a spacer mat or by providing drainage channels in the back of the rigid insulation. A high-performance Outsulation system with inherent moisture drainage that incorporates continuous insulation (ci) and an air/water-resistive barrier for optimal building envelope performance. Foil-faced isocyanurate 1 inch thick (R 6) installed over a 2x6 frame wall (R 19) meets requirement #9 in Minneapolis. CCP 2 is a traditional stucco assembly over wood or steel frame construction with a Dryvit approved sheathing and a Dryvit polymer finish. What is required is to define vapor control measures on a more regional climatic basis and to define the vapor control measures more precisely. Demandit Smooth is a 100% acrylic coating, In hot climates any moisture that condenses on the exterior side of the vapor barrier will be drained to the exterior since the vapor barrier is also a drainage plane. December, January and February).10. The solid phase also drives everyone crazy when we have to shovel it or melt it, but at least most professionals understand the related building problems (ice damming, frost heave, freeze-thaw damage). The Outsulation MD system features engineered moisture drainage that provides Continuous Insulation (ci) and an air- and water-resistive barrier to enhance building envelope performance. But the common characteristic of all of them is the presence of continuous insulation (CI) as an integral part of the system. They are based on recommendations from the U.S. Department of Energy (DOE) and the International Energy Conservation Code (IECC). It has a large moisture storage (hygric buffer) capacity due to the block construction. In an attempt to clear up some of the confusion the following definitions are proposed: Vapor Retarder*: The element that is designed and installed in an assembly to retard the movement of water by vapor diffusion. A vapor retarder is defined as a material or system that adequately retards the transmission of water vapor under specific conditions. Sec 7 2100-EnergyShield Pro Class A Short Form Outline Specifications, EnergyShield-Specification (Canada-English), Product Review & Approval Request-Form (Prior), Atlas TB 02-Recycled Content of Atlas Polyisocyanurate, Atlas TB 09-ASTM and CAN/ULC Standard Classifications, PIMA-Product Stewardship Report: Polyiso Insulation and Flame Redardants, PIMA-Performance Bulletin-Polyiso and Mineral Wool, PIMATB103-Fire Performance in Walls and Ceilings, PIMA TB 116-Sustainable Building and LEED 2009, PIMA TB 201-Polyiso Insulation: The Clear Winner, PIMA TB 401-Polyiso Insulation In Masonry Cavity Walls, PIMA TB 403-Continuous Insulation Using Polyiso Wall Sheathing, PIMA TB 405-Fire Resistance Properties of Polyiso Foam Plastic Insulations used in Wall Assemblies, Tech Matters: Comparison of Fire Performance Requirements of the IBC and IRC for Wood Structural Panels and Foam Plastic Insulating Sheathing, ANSI-SBCA FS 1002012: Standard Requirements for Wind Pressure Resistance of Foam Plastic Insulating Sheathing Used in Exterior Wall Covering Assemblies, TER 1006-01:Prescriptive Wind Pressure Performance of Foam Plastic Insulation used as Insulating Sheathing Exterior Wall Covering Assemblies, TER 1205-05: Construction Details for the Use of Foam Plastic Insulating Sheathing in Light-Frame Construction, TER 1304-01: Attachment of Windows with Integral Flanges through Foam Plastic Insulating Sheathing to Wood Framing, Atlas Wall CI Approved WRB Tapes-Did You Know, Approved Attic and Crawlspace Applications-Did You Know, Atlas Wall CI Compatible Tapes-Did You Know, Atlas Wall CI Compressive Strength-Did You Know, Polyiso Wall Products and the Environment-Did You Know, Flame Spread and Smoke Development-Did You Know, Foil Faced Polyiso & Mineral Wool in Wall Applications-Did You Know, Measuring Atlas Polyiso Thickness-Did You Know, Atlas Wall CI NFPA 285 Assemblies-Did You Know, DRJ-TER 1306-03: NFPA 285 Tested Assemblies, EnergyShield Pro & EnergyShield CGF Pro-Install Guide, EnergyShield Pro Interior Exposed Application-Install Guide, CMU-EnergyShield WRB, Masonry Veneer Cladding, CMU-Fluid Applied WRB, EnergyShield CGF, Masonry Veneer Cladding, CMU-EnergyShield CGF, Metal Frame, Gypsum Thermal Barrier, Metal Frame-Gypsum Sheathing, Masonry Veneer Cladding, Metal Frame-Sheathing, Pro 2 WRB, Masonry Veneer Cladding, Metal Frame-Sheathing, EnergyShield WRB, Masonry Veneer Cladding, Metal Frame-Sheathing, WRB, EnergyShield CGF, Masonry Veneer Cladding, Steel Frame-Sheathing, Pro 2 WRB, ACM MCM Panel Cladding, Meets ASTM C1289, Type I, Grade 3 (25 psi), Exterior or interior continuous insulation (CI) in commercial and residential construction, Exterior or interior continuous insulation (CI) for masonry or concrete wall systems, including exterior masonry cavities, Exterior or interior continuous insulation (CI) in commercial and residential wood stud construction, Exterior continuous insulation (CI) over wood or gypsum sheathings, Use over existing cladding to improve energy efficiency with continuous insulation (CI) and provide a level surface prior to installing a new cladding, Approved for use in attics and crawlspaces without requiring the use of a thermal barrier (ICC-ES A12, Appendix B), Interior exposed applications installed with white facer facing outward for interior walls only or ceilings only.
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