Installation Guide
GoBoard
®
½" and s" for Walls, Showers, Ceilings & Floors –
Installation Instructions
WALLS
Framing Requirements:
• All framing should comply with local building code
requirements.
• Framing members shall be spaced a maximum of 16" o.c.
and shall be a minimum of 2"x 4" nominal (wood) or No. 20
gauge (metal).
• Studs shall be furred out flush with receptors and
GoBoard
®
edges should be continuously supported.
Installation:
• Measure the first GoBoard
®
to fit at the bottom of the
wall, score one side with a utility knife and quickly snap
to desired size. To snap, firmly grab the board edge and
quickly apply downward pressure at the scored line. An
alternative method would be to stand the board on edge
and place your knee against the back of the board directly
behind the scored line bending the board backward against
your knee. Pre-marking the stud positions on GoBoard
®
will
aid in fastening.
•
Liberally apply a continuous bead of sealant, as specified
in the Approved Materials section, to the bottom edge of
GoBoard
®
so that when it is butted at the base the sealant
squeezes out. To comply with ANSI A118.10 and GoBoard
®
warranty, there must be at least 8" gap between GoBoard
®
and base that is completely filled with sealant. Sealant must
extend onto GoBoard
®
surface at least 1" beyond joint on
either sides. The slightest pin hole may result in a leak, so
careful attention is required when sealing joints. Fasten
GoBoard
®
to the studs with backer board screws or roofing
nails, as specified in the Approved Materials section, flush
with the surface of the board with a maximum spacing of
6" and within 2"– 1" of the edge. Spread excess sealant to
ensure a tight seal at the base joint.
• Again, liberally apply a continuous bead of sealant to the
top edge, as specified in the Approved Materials section,
so that when GoBoard
®
is butted the sealant squeezes
out. Ensure a tight seal at the joint leaving a 8" gap. Fasten
GoBoard
®
to the studs as above, and spread the excess
sealant with a putty knife or other flat surface to at least
1" beyond either side of the joint.
• Once all boards have been installed in this manner, seal
all fastener locations and joints (between boards and at
all corners and other changes of plane) with sealant, as
specified in the Approved Materials section. Make sure
each fastener location is completely covered with at least a
22" diameter patch centered over the fastener. This can be
quickly achieved with a 3" putty knife. All joints should be
completely filled with sealant and sealant spread 1" beyond
either side of joint.
• Joint Sealing Alternative: Leave a maximum 8" gap
between boards and fill the joint gaps with mortar, as
specified in Approved Materials section. Place 2" alkali
resistant fiber glass mesh tape on the joint and embed
with mortar, ensuring it is fully covered. Then, if a
waterproof installation is required, seal all joints and
fastener locations with two coats of liquid waterproofing
membrane, as specified in the Approved Materials section
ensuring the liquid waterproofing membrane extends at
least 1" beyond the mortar.
STEAM SHOWERS
• Follow GoBoard
®
wall and ceiling installation instructions.
However, either first install a manufacturer approved
vapor barrier directly to the wall studs and ceiling framing
behind GoBoard
®
per the manufacturer’s instructions or
install a manufacturer approved vapor barrier or waterproof
membrane over the external surface of GoBoard
®
per the
manufacturer’s instructions.
CEILINGS
Framing Requirements:
• All framing should comply with local building code
requirements and must be capable of supporting total
system dead load with deflection not to exceed L/360
of the span.
• Framing members shall be spaced a maximum of 16" o.c.
and GoBoard
®
edges should be continuously supported.
Installation:
• Starting on one edge of the ceiling, measure the first
GoBoard
®
to orient in the same length-wise direction as
the wall installation and then proceed with "score and snap"
as previously discussed.
• Utilizing either joint sealing method in the wall installation
instructions, fasten GoBoard
®
to the ceiling studs with
backer board screws or roofing nails, as specified in the
Approved Materials section, flush with the surface of the
board with a maximum spacing of 6" and within 2"– 1" of
the perimeter edges.
• Working across the remainder of the ceiling, ensure that
all GoBoard
®
joints, change of plane joints and fastener
locations are sealed.
FLOORS
• Follow GoBoard
®
4" wood floor or concrete floor
installation instructions.