Specification

THERMAL BATT INSULATION
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Ideal Applications for ComfortBatt
™
Insulation
Roxul ComfortBatt’s higher density ensures a snug friction fit in the wall
cavity. Note: A vapor retarder may be required in the wall assembly,
depending on the geographical location of the building.
The ComfortBatt Residential Wall Assembly
(shown from outside to inside)
1. Cladding
2. Air Barrier
3. Sheathing
4. 2” x 6” Wood Studs
5. 5.5” ComfortBatt
6. Vapor Retarder
7. Gypsum
In addition to residential applications, Roxul ComfortBatt is ideal as a
component of the BEDR cavity wall system.
BEDR Wall Components (shown from outside to inside)
1. Terra Cotta Cladding
2. 1” Air Space (1/2” minimum)
3. 1”-2” CavityRock MD Insulation (R4.2–R8.4)
or 2.5”–5” CavityRock DD (R10.75–R21.5)
4. Permeable Air Barrier
5. Exterior Gypsum Board
6. 3.5” or 6” Steel Stud
7. 3.5” or 6” ComfortBatt Insulation
8. Vapor Barrier
9. 5/8” Gypsum Board
When insulating attics, use two layers of ComfortBatt to achieve
the required R-value. The bottom layer should run parallel to the
joists and the top layer run in the opposite direction. For attics and
cathedral ceilings, only a single layer of ComfortBatt is required
between the roof trusses.
The ComfortBatt Roof/Attic Assembly
(shown from outside to inside)
1. Shingles
2. Tar Paper
3. Sheathing
4. 2” x 10” Roof Trusses
5. ComfortBatt (R28/R30)
6. Ceiling Joists
7. ComfortBatt (R22/R23 or R28/R30)
two layers running perpendicular