Specification
THIS IS NOT A CONSTRUCTION DOCUMENT. Edit carefully to coordinate with specific project requirements.
User must determine suitability of this guide specification in whole or in part for their particular project.
Owens Corning
®
Mineral Wool Insulation
Guide Specification 07 21 00 - 12
13. This product qualifies under the Department of Homeland Security SAFETY Act designation, which
provides commercial building professions and building owners liability protection in the event of a
domestic act of terrorism.
B. Smoke Barrier Sealant: Smoke sealant as listed in the appropriate fire-tested assembly.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine the areas and conditions under which work of this section will be installed. Do not proceed with
installation until unsatisfactory conditions have been corrected.
3.2 INSTALLATION
A. Install insulation in accordance with approved submittals, manufacturer’s written recommendations and
guidelines.
B. Install insulation to maintain continuity of thermal protection to building elements and spaces.
C. Comply with tested and listed systems.
D. Install products in proper relationship with each other and adjacent construction, and as follows:
1. Backer Reinforcement Members for Perimeter Fire Containment System:
a. Install backer reinforcement member in accordance with the UL
®
or Intertek
®
listed and tested
system, per ASTM E2307.
b. Install Thermafiber
®
Impasse
®
T-bar or an approved light steel angle or channels (see specific
listing for appropriate gauge of steel), placed horizontally at the safing line, attached to the
vertical mullions, either within the insulation at a horizontal splice, or behind the insulation and
mechanically attached to vertical mullions.
c. Install to prevent the bowing of the curtain wall insulation due to the compression fit of the safing
insulation.
2. Curtain Wall Insulation:
a. Install curtain wall insulation in accordance with the UL
®
or Intertek
®
listed system and
manufacturer’s instructions.
b. Install backer reinforcement assembly in accordance with the UL
®
or Intertek
®
listed and tested
design. Not applicable when the Thermafiber
®
No Backer Bar™ system is specified.
c. Fasten insulation in place with mechanical fasteners within the mullions and transoms (spandrel
area), spaced at intervals recommended by the UL
®
or Intertek
®
listed and tested assembly to hold
insulation securely in place without touching the exterior wall. One-inch air space must be
maintained.
d. Provide Thermafiber
®
Impasse
®
Hangers or mechanical fasteners as approved by architect and
manufacturer.
e. Comply with specific listed and tested assemblies per ASTM E2307 for mechanical fastener
requirements.
3. Safing Insulation – Type SAF Forming Material:
a. Install safing insulation of proper size in safe-off area between curtain wall insulation and floor
slab as prescribed by the UL
®
or Intertek
®
listed and tested assembly per ASTM E2307. Safing
insulation direction and compression, as well as the absence of safing Z-clips, are prescribed by
the UL
®
or Intertek
®
listed and tested assembly.
b. Install safing insulation of proper density, thickness, depth, compression, and orientation into
perimeter joint, construction joints (head-of-wall, floor-to-floor, floor-to-wall, etc.) as prescribed
by the UL
®
or Intertek
®
or other third-party testing laboratory listed and tested assembly.
c. Install safing insulation of proper density, thickness, and compression into poke-throughs and
penetrations as prescribed by the UL
®
or Intertek
®
listed and tested assembly.
4. Smoke Barrier System: