HomeMy WebLinkAboutInstallation GuideINSTALLATION
GUIDE
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4 GeorgiaPacific
Gypsum
DensDeck@ Roof Board
Georgia-Pacific redefined roof boards in 1987 with DensDecko
Roof Board. This innovative cover board provides stronger
puncture protection and is non-combustible as a result of its
gypsum core and fibregtass facers. Since 1982 Georgia-Pacific has
continued innovating industry-[eading high-performance roof boards.
Buitding on the legacy of DensDeck @ Roof Board, DensDeck @ Prime Roof Board
offers even more strength with enhanced moisture resistance for adhered roofing assemblies.
Fo[ow these instructions to instatl DensDeck@ Roof Boards and DensDeck@ Prime Roof Boards on
any building in need of tough roofing defence. Always wear personaI protective equipment (PPE)
when working on construction projects to prevent onsite hazard.
Tools Needed
. Knife,
. Cutting gloves.
. Measuring tape.
. Straight edge or T-square and/or chatk tine
, Appropriate equipment to appty adhesive
or instal[ fasteners, per design and system
man uf acturer specif ication.
Storage
1 Remove pLastic packaging immediate[y
upon receipt. (Any protective, plastic factory
packaging that is used to wrap DensDeck@
Roof Boards / DensDeck@ Prime Roof
Boards for shipment is intended to provide
onty temporary protection from moisture
exposure during transit and is not intended
to provide protection during storage after
detivery.)
2 Store boards outside, level and off the
ground. Protect with a waterproof covering.
3 Provide means for air circulation around and
under stored bund[es.
4 Use adequate supports to keep the bundles
ftat, tevel and dry.
INSTALLATION
INSTRUCTIONS
CAUT|0ll: For product fire, salsly and use inlormation,
go to buildgp.comrsafetyinfo
O t0r latest informali0n and updates:
hltprJlbuildsp,comlgypsum/
DensDeck@ Roof Board
Handting
1 Measure and mark the board to size as
needed. Score atong mark and snap to break
ctean, then use a sharp knife to cut the back
mat.
2 Carry the DensDeck@ Roof Board / DensDeck@
Prime Roof Board in an upright position.
Laying the Board
1 For a cover board application, lay the board
down in a running bond pattern, offsetting
the roof board joints from the underlying
insutation joints.
2 Butt atl board edges and ends tightty
together.*
3 When added to a structuraI metaI deck in a
roof board apptication, support the edges by
instalting the edge joints on and paral[e[ to
the top ftutes.
*DensDeck@' Roof Boards / DensDeck@
Prime Roof Boards of any thickness
do not require gapping.
Fastening
1 Refer to system manufacturer and FM Gtobat
requirements for fastener type and spacing,
or adhesive insta[[ation requirements.
2 Grid marks on the board are 150 mm
(6 inch) on centre as a reference guide for
the instalLer.
Transition from Roof to Wall
1 For a parapet wa[t, instatt DensDeck@ Prime
Roof Board directty to the framing per
specification and code requirements.
2 lf the parapet kicker or cant strip is attached
to the parapet watl framing, instatt the
DensDeck@ Prime Roof Board over a solid
substrate, rather than directty onto the
stanted wall. / roof f raming.
CAllTl0l{: For product lire, safely and use informalion,
go to buildgp.comlsafelyinlo
A GeorgiaPacific
Gypsum
F0r Latest inf0rmati0n and updales: @
https:l/buitdgp.comlgypsum/
Limitations
1 Refer to the DensDeck@ Prime Roof
Board Technicat Guide (avaitable at
DensDeck.com) for additionaI installation
instructions and important information
concerning recommendations and
Iimitations for use. Faiture to adhere to
such recommendations and timitations
may void the timited warranty provided
by Georgia-Pacific Gypsum for
DensDeck@ Roof Board / DensDeckc'
Prime Roof Board.
2 Protect DensDeck@ Roof Board /
DensDeck@ Prime Roof Board from
moisture before, during and after
instatlation, Atthough DensDeck@
Roof Boards / DensDeck@ Prime Roof
Boards are engineered with fibergtass
facings and high-density gypsum cores,
the presence of moisture can have a
detrimentaI effect on the performance of
the product and the instatlation of roofing
membranes.
3 Georgia-Pacific Gypsum does not warrant
and does not provide specifications nor
instructions for any specif ic assembly
or system using DensDeck@ Roof Boards
/ DensDeck@ Prime Roof Boards or
any component in such assemblies or
systems other than DensDeck@ Roof
Board / DensDeck@ Prime Roof Board.
4 Consutt with the appropriate system
manufacturer and/or design authority for
system specifications and instructions
and for specific instructions for apptying
other products to DensDecko Roof Board
/ DensDeck@ Prime Roof Board.
DensDeck'
Roof Board
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