Roxul ComfortBoard CIS - Manual (Page 3)

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1. APPLICATIONS
 Exposed Exterior Insulation
 Basements (Inside / Outside)
 Parking Garages
 Acoustic Panels
2. EXPOSED INSULATION
ROXUL stone wool insulation is not
intended to be left exposed to the elements.
Cladding should ideally be installed
immediately after insulation attachment. If
the insulation is to be left exposed, or
installation takes place in bad weather,
ROXUL recommends a minimum of 5
mechanically attached insulation fasteners
per board.
3. TYPE OF FASTENERS
 Screw & Washer
 Insulation Fastener
 Plastic Cap Nails
 Impaling Pins
4. NUMBER OF FASTENERS
ROXUL recommends a minimum of 5
mechanically attached insulation fasteners
per board. Designers can increase number
of fasteners to meet specific conditions and
design requirements (including wind-driven
rain-loads).
5.
EMBEDDED DEPTH OF FASTENER
Embedded depth required to resist fastener
pull-out will vary with both substrate
material and the fastener type. ROXUL
recommends a minimum 1” embedded
depth, designers may vary this amount.
6.
PROPRIETARY FASTENERS
Some proprietary Insulation Fasteners can
provide adequate support with fewer than 5
fasteners per
board and less than 1”
embedded depth. Individual fastener
manufacturers should be consulted for
details.
5. THERMAL CONTROL LAYER
ROXUL ® COMFORTBOARD ™ IS
continuous insulation is the primary thermal
control layer.
The amount of insulation recommended
varies by climate region (see Table 2)
6. VAPOR CONTROL LAYER
The assembly as illustrated is a “vapor
open” assembly, meaning that there is a
single line of vapor control and that drying
can occur towards the interior or towards
the exterior from this line. Selection of
vapor-open interior finishes should be
considered. If vapor impermeable finishes
are used, analysis should be conducted to
assess drying potential.
7. EXTERIOR CLADDING
A drained and back-ventilated wood or fiber
cement siding is illustrated.
Material options for the exterior cladding
include:
•
Vinyl siding (see manufacturer’s notes
for installation on furring)
•
Wood siding
• Fiber cement siding or panels
8. QUALITY CONTROL
CONSIDERATIONS
Inspect the lapping of drainage plane pieces
to ensure that pieces are installed in
“shingle” fashion.
Ensure a tight fit where the exterior
insulation boards are fit together. At
mechanical and structural penetrations, an
opening in the ROXUL COMFORTBOARD
IS layer may be cut slightly undersized to
ensure a tight fit.
Plain Insulation
ISSUED: 04-15-14 SUPERSEDES 04-11-14