Installation Guide

Installation Guide:
visit www.JM.com/GoBoard
GB-001 8/14 © 2014 Johns Manville. All Rights Reserved.
APPROVED MATERIALS
• Fastening:
Wood – Galvanized roofing nails (1 1/2" long) or backer
board screws (1 1/4" long).
Steel Framing – Backer board screws (1 1/4" long).
• Bonding: Dry set mortar compliant with ANSI A118.1
standard or Polymer modified thin-set mortar compliant
with or ANSI A118.4 standard.
• Joint Sealing: Polyurethane sealant/caulk (in tube) or
2" wide polymer-coated alkali-resistant fiber glass
mesh tape and mortar, as above, coated with a liquid
waterproofing membrane for waterproof installations.
• Tools: Utility knife, pencil or pen for marking, straight edge,
measuring tape, putty knife, appropriate roofing nail or
backer board screw fastening device, 1/4" square notched
trowel, caulk gun and 1"– 3" paint brush (for liquid sealant).
LIMITATIONS
• GoBoard
™
must not be used as a structural load bearing
member. Follow all local and national building codes.
• GoBoard
™
1/4" is for Residential and Light Commercial use
only and GoBoard
™
1/2" is for Residential use only. Do not
use for external applications or as a shower pan base.
• Do not use drywall nails, tape or joint compound. Fully
embed GoBoard
™
into mortar, as specified in the Approved
Materials section, prior to fastening for floor applications.
• Where waterproof installations are required, ensure that all
joints and fastener locations are sealed with a sealant, as
specified in the Approved Materials section.
• For steam showers, 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.
• For floor installations, tiles installed onto GoBoard
™
must
be a minimum of 6" in size (individual tile dimensions).
SAFETY & HANDLING
• Safety: Please wear gloves, safety glasses and long
sleeve shirts and pants and follow good safety practices
when installing GoBoard.
™
Temporary mechanical abrasion
(itching) of skin, eyes and respiratory tract may occur upon
exposure to fibers or dust during handling. GoBoard
™
contains no cement.
• Storage and Handling: GoBoard
™
should be delivered
to distributors in unopened packages and stored flat and
in an enclosed shelter.
TECHNICAL DATA
Property
ASTM
Method
GoBoard
™
(1/4")
GoBoard
™
(1/2")
Dimensions (inches) C473 36"x 60" 36"x 60"
Nominal Thickness (inches) C473 0.25 0.50
Board Weight (lbs) 6.0 7.5
R-Value (ºF•ft
2
•h/BTU) C518 1.2 2.3
Compressive Strength (average psi) D2394 250 200
Moisture Movement (%) D1037 <0.07 <0.07
Surface Burning Characteristics* E84 Pass Pass
Waterproof D4068 Pass Pass
WVT Permeance (perms) E96 <1 <1
Resistance to Fungi / Bacteria G21/G22 No Growth No Growth
Robinson Floor Test C627 Light
Commercial
Residential
*Per International Building Code Requirements
• GoBoard
™
is waterproof.
• GoBoard
™
core is not made from polystyrene and will
not melt and flow.
LIMITED WARRANTY
LIMITED WARRANTY; SPECIFICATIONS
All products sold are subject to the following limited warranty: Johns Manville
(“Seller”) warrants that for a period of one year from the date of purchase the
product will be free from defects in material and workmanship and is manufactured
in all material respects to Seller’s product specifications.
SELLER DISCLAIMS ALL OTHER REPRESENTATIONS AND WARRANTIES OF
ANY KIND, EXPRESS OR IMPLIED, IN FACT OR IN LAW, INCLUDING, WITHOUT
LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY AND THE IMPLIED
WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. Every claim under this
limited warranty shall be deemed waived unless in writing and received by Seller
within 10 days of product purchase if visibly damaged or defective, and, otherwise,
within 30 days after the defect to which each claim relates is discovered, or should
have been discovered, but in no event longer than 1 year after product purchase.
LIMITATION OF REMEDY
PURCHASER’S EXCLUSIVE REMEDY AND THE LIMIT OF SELLER’S LIABILITY FOR
BREACH OF THIS LIMITED WARRANTY, WHETHER BASED ON NEGLIGENCE,
BREACH OF WARRANTY, STRICT LIABILITY, OR ANY OTHER THEORY AT LAW OR
IN EQUITY, SHALL BE, AT SELLER’S OPTION, REPAIR, REPLACEMENT WITH A LIKE
QUANTITY OF NONDEFECTIVE PRODUCT OR REFUND OF THE PURCHASE PRICE.
NO RECOVERY OF CONSEQUENTIAL OR SPECIAL DAMAGES
IN NO EVENT SHALL SELLER BE LIABLE FOR ANY CONSEQUENTIAL, SPECIAL,
INCIDENTAL, INDIRECT OR PUNITIVE DAMAGES, INCLUDING, WITHOUT
LIMITATION, ANY CLAIMS OF PROPERTY DAMAGE, WHETHER BASED UPON
BREACH OF WARRANTY, NEGLIGENCE, STRICT LIABILITY, TORT, BREACH OF
CONTRACT, OR ANY OTHER LEGAL THEORY.
Some states do not allow the exclusion or limitation of warranties or do not allow
the exclusion or limitation of incidental or consequential damages, so the above
disclaimers may not apply to you.
GoBoard
™
Approved Materials, Safety, Technical & Other Information
LIMITED
WWW.JM.COM/GOBOARD
FOR DETAILS VISIT
Durable, Lightweight Tile Backer Board
Ultra-lightweight
Up to 80% lighter than cement boards
yet engineered for durability
Easy to cut, handle and install
Simply attach with backer board
screws or roofing nails
Inherently waterproof
Seal only the board joints and fastener locations
for a waterproof tile assembly per GoBoard
™
installation instructions
GoBoard
™
is available in two thicknesses:
– 1/4" for floors and countertops
– 1/2" for walls, showers, ceilings and floors
GoBoard
™
is the ultra-light, waterproof tile backer board from Johns Manville. It’s engineered for
durability, yet is up to 80% lighter than cement boards. GoBoard
™
is easy to handle and can be cut
right where it’s installed with a basic utility knife without crumbling or disintegrating. And, best of
all, it has waterproofing already built-in.