Technical Bulletin: Thermafiber

•  Concrete Masonry Units

•  Steel Stud Framing, minimum 3 5/8″ depth, minimum 20 gauge, maximum 16 inches on center spacing, with lateral bracing every 4 ft vertically. Cover on the interior with 1 layer of 5/8″ thick, Type X, gypsum wallboard.

If a fire resistance rated floor or floor/ceiling assembly IS required use option 1:

If a fire resistance rated floor assembly IS NOT required use option 2:

Thermafiber_® Safing Insulation

Thermafiber_® Impasse Insulation Hanger System

2.  Install a mineral wool fire stop, 4 pcf density, attached with Z-clips or equivalent continuously at each floor line and/or in each stud cavity if the stud framing is continuous past the floor line.

•  EcoTouch_® Batt Insulation (unfaced fiber glass)

•  Thermafiber_® Ultrabatt_™ (faced or unfaced mineral wool)

• Any non-combustible insulation (faced or unfaced)

• Spray Polyurethane Foam, Demilec Sealaction 500 (0.5 pcf maximum, used only with gypsum exterior sheathing)

•  None

•  Gypsum Sheathing, 1/2″, exterior grade

•  Gypsum Sheathing, 5/8″, Type X, exterior grade

All air & water barriers are to be installed at recommended application rates and in strict accordance with the manufacturer’s installation instructions. Verify vapor resistance properties if required.

• Air/water barrier membrane selected from Appendix B and installed on the base wall behind the continuous insulation (CI)

•  Owens Corning_® JointSealR_® Foam Joint Tape applied to the joints of FOAMULAR_® XPS continuous insulation

•  DuPont Tyvek_® CommercialWrap applied over continuous insulation

•  Pactiv GreenGuard_® Max Building Wrap applied over continuous insulation

•  FOAMULAR_® High R CW Plus

•  FOAMULAR_®  CW15 XPS

•  FOAMULAR_®  CW25 XPS

•  Thermafiber_® Rainbarrier_® HD

•  Thermafiber_® Rainbarrier_® 45

Unfaced, minimum 2″ thick, mechanically attached per manufacturer’s recommendations, continuous over air & weather barrier system if selected unfaced, minimum 2″ thick, mechanically attached per manufacturer’s recommendations, continuous over air & weather barrier system if selected.

•  Concrete Masonry Units: Minimum 4″ thick. Maximum 2″ air space between continuous insulation and CMU.

• Concrete Panels: Minimum 2″ thick. Maximum 2″ air space between continuous insulation and concrete.

•  Insulated Concrete Sandwich Panels: Minimum 2″ thick outer face wythe. Maximum 2″ air space between continuous insulation and concrete.

•  Stone Veneer: Minimum 2″ thick, limestone or natural stone veneer, or minimum 1 1/2″ thick manufactured stone veneer. May use any standard closed joint installation such as ship-lap, etc.

•  Stucco: Minimum 7/8″ thick, exterior cement plaster and lath. Lath mechanically attached.

•  Thermafiber_® Rainbarrier_® Continuous Insulation

•  Steel Stud (head, jamb, sill)

•  CMU (head, jamb, sill)

•  Transition Between Cladding Types

• Flash window, door, and other exterior penetrations with limited amounts of acrylic, asphalt, or butyl-based flashing tape, max. 12″ width.

•  Concrete Masonry Units

•  Steel Stud Framing, minimum 3 5/8″ depth, minimum 20 gauge, maximum 16 inches on center spacing, with lateral bracing every 4 ft vertically. Cover on the interior with 1 layer of 5/8″ thick, Type X, gypsum wallboard.

If a fire resistance rated floor or floor/ceiling assembly IS required use option 1:

If a fire resistance rated floor assembly IS NOT required use option 2:

Thermafiber_® Safing Insulation

Thermafiber_® Impasse Insulation Hanger System

2.  Install a mineral wool fire stop, 4 pcf density, attached with Z-clips or equivalent continuously at each floor line and/or in each stud cavity if the stud framing is continuous past the floor line.

•  EcoTouch_® Batt Insulation (unfaced fiber glass)

•  Thermafiber_® Ultrabatt_™ (faced or unfaced mineral wool)

• Any non-combustible insulation (faced or unfaced)

• Spray Polyurethane Foam, Demilec Sealaction 500 (0.5 pcf maximum, used only with gypsum exterior sheathing)

•  None

Options*

•  Gypsum Sheathing, 1/2″, exterior grade

•  Gypsum Sheathing, 5/8″, Type X, exterior grade

All air & water barriers are to be installed at recommended application rates and in strict accordance with the manufacturer’s installation instructions. Verify vapor resistance properties if required.

•  W. R. MEADOWS AIR-SHIELD_® LSR

•  W. R. MEADOWS AIR-SHIELD_® LMP (Gray)

•  W. R. MEADOWS AIR-SHIELD_® LMP (Black)

•  W. R. MEADOWS AIR-SHIELD_® TMP

•  Thermafiber_® Rainbarrier_® HD, unfaced, minimum 2″ thick, mechanically attached per manufacturer’s recommendations, continuous over air & weather barrier system if selected.

• Brick Veneer: Nominal 4″ thick, clay brick. Veneer anchors, standard types, installed maximum 24″ o.c. vertically on each stud, or, continuous ladder tie type if CMU backup is utilized. Maximum 2″ air space between continuous insulation and brick.

•  Concrete Masonry Units: Minimum 4″ thick. Maximum 2″ air space between continuous insulation and CMU.

• Concrete Panels: Minimum 2″ thick. Maximum 2″ air space between continuous insulation and concrete.

• Fiber Cement or Cement Board Siding: Fastened to the structural backup wall or to Z-furring, girts, or other secondary framing as recommended by the cladding manufacturer.

• Metal Panel: Single skin steel, aluminum, copper, etc, fastened to the structural backup wall or to Z-furring, girts, or other secondary framing as recommended by the cladding manufacturer.

• Metal Composite Material (MCM): Use any MCM that has been tested and documented to be NFPA 285 compliant. Fastened to the structural backup wall or to Z-furring, girts, or other secondary framing or clip system as recommended by the cladding manufacturer.

•  Stone Veneer: Minimum 2″ thick, limestone or natural stone veneer, or minimum 1 1/2″ thick manufactured stone veneer. May use any standard open or closed joint installation such as ship-lap, etc.

• Terra Cotta Panels: Terra Cotta cladding system, minimum 1 1/4″ thick, with open or closed joint installation such as ship-lap, etc.

•  Steel Stud (head, jamb, sill)

•  CMU (head, jamb, sill)

•  Transition Between Cladding Types

• Flash window, door, and other exterior penetrations with limited amounts of acrylic, asphalt, or butyl-based flashing tape, max. 12″ width.