Instructions / Assembly

14
ATTACHMENT AND SUPPORT
Common Support Methods
STRAPPING Z-FURRING CHANNELS
Strapping members are typically installed outboard of the
insulation and attached through the insulation to the building
structure or backup wall framing. The attached strapping
members clamp the insulation in place.
Z-Furring channels are typically installed to the building structure or
backup wall framing.
• Treated wood or metal strapping may be used.
• 
• For metal, use min. 25 gauge
9

with min. G40 coating or a coating that provides equivalent
corrosion resistance.
• Install wood strapping vertically to facilitate drainage.
• Install metal strapping vertically to facilitate drainage,
or utilize furring channels with integral drainage capacity
measured per ASTM E2273.
• Install Z-Furring channels horizontal to facilitate drainage.
• Use min. 25 gauge
9
, with min. G40 coating or a coating that
provides equivalent corrosion resistance.
• 
Attachment Method
RAINBARRIER
®
45 &
RAINBARRIER
®
DARK™ 45
RAINBARRIER
®
HD &
RAINBARRIER
®
DARK™ HD
RAINBARRIER
®
HIGH
COMPRESSIVE (80)
RAINBARRIER
®
HIGH
COMPRESSIVE PLUS
(110)
RAINBARRIER
®
HIGH
COMPRESSIVE MAX
Mineral wool insulation is
installed between cladding
attachments.
Preferred Preferred
9
Cladding attachments are
fastened outboard of the
mineral wool insulation.
Light Weight Cladding
< 5 lbs./sq.ft.
Medium Weight Cladding
5 lbs./sq.ft. to

Heavy Weight Cladding
> 10 lbs./sq.ft. to
< 15 lbs./sq.ft.
9
Rainbarrier
®
HD may be used where additional rigidity is preferred by the installer.