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International| Wall Component | Materials |
| Base wall system – Use either 1, 2 or 3 | 1 – Concrete wall
2 – Concrete Masonry wall 3 – 20-guage (min.) 3 5/8″ (min.) steel studs spaced at a minimum of 24″ o.c. a. 1 layer – 5/8″-thick Type X or 1/2″-thick Type X gypsum wallboard on interior |
| Floorline Firestopping | 4 lb/cu ft. mineral wool (e.g. Thermafiber) in each stud cavity and at each floor line – attached with Z-clips or equivalent |
| Cavity Insulation – Use either 1, 2, 3 or 4 | 1 – None
2 – Any noncombustible insulation per ASTM E136 3 – Any mineral fiber (Board type Class A ASTM E84 faced or unfaced) 4 – Fiberglass (Batt type Class A ASTM E84 faced or unfaced) |
| Exterior sheathing – Use either 1, 2 or 3 | 1- Minimum 5/8″-thick, exterior type gypsum sheathing
2 – None, when over exterior claddings of brick or equivalent 3 – 2″ precast concrete panels attached to structural elements of building |
| Air Barrier or Weather- Resistive Barrier Applied to Exterior Shealthing Use any of these options | 1 – W. R. MEADOWS AIR-SHIELD LMP (Gray)
2 – W. R. MEADOWS AIR-SHIELD LMP (Black) 3 – W. R. MEADOWS AIR-SHIELD TMP 4 – W. R. MEADOWS AIR-SHIELD LSR |
| Exterior insulation
Use either 1, 2, or 3 |
1 – Atlas EnergyShield® Pro Rigid Insulation – 4″ maximum thickness 2 – Atlas EnergyShield® Pro 2 Rigid Insulation – 4″ maximum thickness 3 – Atlas Rboard® Pro Ridgid Insulation – 4″ maximum thickness |
| WRB Over Exterior Insulation – use either 1, 2, or 3 | 1 – None
2 – 3″ IPG Cold Weather Foil Tape and 4″ Atlas WRB System Tape may be interchanged 3 – Any tape that has been tested per ASTM E1354 (at a minimum of 20 kW/m2 heat reflux) and shown by analysis to be less flammable (improved Tign, Pk. HRR) that thoes listed above |
| Flashing | Flash all exterior insulation joints and, as an option, veneer tie penetrations with maximum 4″ width of one of the following:
• BT25XL™ by Protecto-Wrap • Any UL Listed tape by 3M Company’s Venture Tape® • Aluminum foil tape • Asphalt or butyl-based flashing tape Note: A small amount of spray primer may be used in aid in adhesion, max 5″ width |
| Exterior Veneer – Use any of these options | 1 – Brick
a. Brick veneer anchors – standard types – installed max 24″ o.c. vertically on each stud b. Maximum 2″ air gap between exterior insulation and brick c. Standard nominal 4″-thick, clay brick 2. Stucco – Minimum 3/4+-thick, exterior cement plaster and lath. A secondary WRB can be installed between the exterior insulation and the lath. The second- ary WRB shall not be full-coverage asphalt or butyl-based self-adhered membranes. 3. Minimum 2″-thick, limestone or natural stone veneer 4. Cast artificial stone – minimum 1.5″-thick complying with ICC-ES AC 51 5. Terracotta Cladding – Use any terracotta cladding system in which terracotta is min. 1 1/4″ thick. Any standard installation techniques can be used. 6. Any ACM that has passed NFPA 285 7. Uninsulated cement or fiber-cement cladding panels 8. Metal skin noncombustible exterior wall coverings such as steel and copper 9. Stone/Aluminum hooneycomb composite building panels that have successfully passed NFPA 285 criteria 10. Autoclaved-aerated-concrete (AAC) panels that have successfully passed NFPA 285 criteria 11. Reynobond ZCM Zinc metal composite panel |
| Flashing of windows, doors and other exterior wall penetrations | As an option, flash window, door and exterior penetrations with limited amounts of any tape specified in “Flashing” above or any acrylic, asphalt or butyl-based flashing tape – max. 12″ width |
Information obtained from the Dr. J™ Technical Evaluation Report TER No. 1306-03 Issue Date: July 23, 2013
Updated Date: June 13, 2014
Subject to Renewal: April 1, 2015
Full NFPA testing documents are available. Please contact us to request these documents.