Opaque Envelope Wall Basis of Design (BOD)
MCM with Semi-Rigid Mineral Wool Insulation and Metal Stud Back-up
2021 IBC, IECC + MA Stretch Energy Code
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Overview
Performance
| Semi-Rigid Continuous Insulation – IECC 2021 + MA Stretch Energy Code (Climate Zone 5, All Other Use) | ||||||
| Code (IECC 2021 + MA Stretch*) | Proposed Base | Proposed Optimized | ||||
| R-Value | U-Factor | R-Value | U-Factor | R-Value | U-Factor | |
| Roofs | ||||||
| Insulation Entirely Above Roof Deck | R-30ci | U-0.032 | R-30ci | U-0.032 | R-45ci | U-0.022 |
| Walls Above Grade | ||||||
| Metal Framed | R-13+ R-10ci | U-0.055 | R-19.4ci | U-0.053** | R-19+ R-19.4ci | U-0.036** |
| Slab-On-Grade Floors | ||||||
| Unheated Slabs | R-15ci | F-0.52 | R-15ci | F-0.52 | R-15ci | F-0.52 |
| Vertical Fenestration | ||||||
| Fixed | NA | U-0.36 | U-0.30* | NA | U-0.29 | NA | U-0.24 |
| Operable | NA | U-0.45 | U-0.32* | NA | U-0.30 | NA | U-0.30 |
| * MA specific requirement. ** U-Factor includes clear field thermal derating as required by IECC 2021 Section C402.1.3. and MA Stretch Energy Code Section C402.7. | ||||||
Downloads
| Summary: | |
 | R-Value & U-Factor Analysis Dew Point Analysis Embodied Carbon Analysis Clear Field Wall Thermal Modeling* Linear Thermal Bridge Modeling* ICC Code Evaluation Report(s)* NFPA 285 Extension Report(s)* * Items available upon request Lineral Thermal Bridge Modeling by RDH Building Science |
| Details: | |
| SK-01 | Typical Wall Plan & Section SK-02 | Typical Wall to Foundation SK-03 | Typical Inside & Outside Corner SK-04 | Typical Floor to Floor SK-05 | Typical Wall to Roof SK-06 | Typical Wall to Window SK-07 | Typical Wall to Curtainwall |
| Short Form Specifications: | |
 | Section 070543 | Rainscreen Cladding Attachment System (Semi-Rigid ci) Section 071300 | Sheet Waterproofing Section 072100 | Thermal Insulation (Semi-Rigid ci) Section 072216 | Roof Insulation Section 072700 | Air Barriers Section 074213 | Metal Composite Material Wall Panels Section 084413 | Glazed Aluminum Curtain Walls Section 085113 | Aluminum Windows Short Form Specifications Courtesy of Kalin Associates |
| Product Data: | |
 | Section 070543 | Knight Wall Systems - ThermaZee Section 071300 | Henry - MiraDri 860/861 & Blueskin WP200 Section 072100 | DuPont - Styrofoam & TClear - WallGuard Section 072216 | DuPont - Styrofoam XR Section 072700 | Henry - Metal Clad 705FR & ELBEX - HS222 Section 074213 | 3A Composites - ALUCOBOND Plus & ALUCOBOND AXCENT Section 084413 | Apogee Architectural Metals - EFCO 5600X Section 085113 | Apogee Architectural Metals - EFCO 325X |