ROCKWOOL Comfortbatt Thermal Insulation

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Ideal applications for Comfortbatt
®
insulation.
The higher density of ROCKWOOL Comfortbatt
®
ensures a
snug friction t 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)
Cladding
Air Barrier
Sheathing
2” x 6” Wood Studs
5.5” Comfortbatt
®
Vapor Retarder*
Gypsum
In addition to residential applications, ROCKWOOL Comfortbatt
®
is ideal as a component of a high performance cavity wall system.
Wall Components
(shown from outside to inside)
Terra Cotta Cladding
1” Air Space (1/2” minimum)
1”-5” Cavityrock
®
(R4.2-R21.5)
Permeable Air Barrier
Exterior Gypsum Board
3.5” or 6” Steel Stud
3.5” or 6” Comfortbatt
®
Insulation
Vapor Barrier*
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)
Shingles
Tar Paper
Sheathing
2” x 10” Roof Trusses
Comfortbatt
®
(R30/R32/R38)
Ceiling Joists
Comfortbatt
®
(R21/R22/R23 or R28/R30/R38)
two layers running perpendicular
*Check with your local building code for approved vapor barrier/retarder information.