Metal Composite Material (MCM) Cladding with Mineral Fiber Continuous Insulation & Metal Stud Backup

MCM with Semi-Rigid Mineral Wool Insulation and Metal Stud Back-up

2021 IBC, IECC + MA Stretch Energy Code

Revised: August 2025

Featured Manufacturers

 

   
DetailsAnalysis
 SK-01  
SpecificaitonsProduct Information
 

Section 070543 - Rainscreen Cladding Attachment System - Rigid Insulatuion

Knight Wall Systems - HCI System
 

Section 071300 - Sheet Waterproofing

Henry - MiraDri 860/861 | WP200
 

Section 072100 - Thermal Insulation - Semi-Rigid Mineral Wool

N/A
 

Section 072216 - Roof Insulation

DuPont - STYROFOAM Deckmate Plus
 

Section 072700 - Air Barriers

Henry - Metal Clad 705FR | ELBEX -  HS222
 

Section 074213 - Metal Composite Materal Wall Panels

3A Composites - ALUCOBOND PLUS & AXCENT
 

Section 084413 - Glazed Aluminum Curtain Walls

EFCO - 5600X
 

Section 085113 - Aluminum Windows

EFCO - 325X
 

Short-Form Specificaitons Courtesy of:  Kalin Associates

 

 

Assembly:

 Component

Manufacturer

Product

 Interior Finish (vapor permeable)--
 Interior Gypsum Board (Type X)-  -
 Metal Stud (18 GA. Min. @16” O.C.)- -
 Stud Cavity Insulation (Optional)--
 Exterior Gypsum Sheathing* - -
 Self Adhered Air/Water/Vapor Barrier**Carlisle705 FR-A
 Continuous Insulation- 3" Mineral Fiber
 Cladding Attachment System**Knight WallMFI System
 Fabricated MCM Cladding**3A CompositesAlucobond Plus

* For a 1 hour fire rating change Exterior Gypsum Sheathing to Fire Rated Exterior Gypsum Sheathing.

** Product recommendations are based on Type I-IV construction requiring NFPA 285 assembly acceptance criteria compliance per IBC Section 1403.5.

Assembly Performance:

  Clear Wall

Code Minimum
(IECC 2015 - Metal Framed)

Proposed

Design R-Value: aR-13 + R-7.5ciR-12.6ci  |  R-12.8 + R-12.6ci
Total R-Value:N/AR-18.13  |  R-30.93
Effective R-Value:cN/AR-14.43  |  R-22.11
Design U-Factor: a, bU-0.064U-0.064  |  U-0.049
Effective U-Factor: cN/AU-0.069  |  U-0.045
Assembly Air Permeability0.04 cfm/ft2 @75Pa0.0014 cfm/ft2 @75Pa

a Clear wall meets energy code thermal requirements without stud cavity insulation.

b Clear wall U-Factor is based on the stud size & spacing noted above and is calculated per IECC 2015 & ASHRAE 90.1-2013 Appendix A.

c Clear wall effective thermal performance is based on the stud size & spacing noted above, manufacturer literature and industry studies on the thermal performance of facades.