Installation & Assembly

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2
ADURA
®
Max
Installation Guidelines
o Have a written warranty for suitability and performance from
the panel manufacturer or have a history of proven
performance
Concrete Subfloors
• Concrete subfloors should meet requirements prescribed in ASTM
F710 “Standard Practice for preparing concrete floors to receive
Resilient Flooring.”
• Concrete subfloor should meet requirements prescribed in ASTM
F710 standard practice for preparing concrete floors. Concrete
subfloors must be dry, smooth, and free from dust, solvent, wax,
grease, oil, asphalt sealing compounds and other extraneous
materials. The surface must be hard and dense, and free from
powder or flaking. Surface of the slab should be flat to within
3/16” in 10’.
• The final responsibility for determining if the concrete is dry
enough for installation of the flooring lies with the floor covering
installer. Due to environment and indoor quality, Adura®Max
should not be installed where excessive moisture emissions may
exist. In accordance with ASTM1869-04, moisture emission from
subfloor should not exceed 8 lbs. per 1,000 sq. ft. per 24 hours as
measured with the calcium chloride test. If using ASTM 2170 In
Situ Relative Humidity Test, relative humidity should not to
exceed 85%. Mannington will not assume responsibility for floor
covering failure due to hydrostatic pressure or moisture vapor
emission. New concrete slabs should be thoroughly dry (at least
six weeks) and completely cured. Although Adura®Max planks are
not susceptible to damage from moisture, excessive subfloor
moisture is an ideal breeding ground for mold, mildew and fungus
– all of which can contribute to an unhealthy indoor environment.
The Limited Warranties do not cover discoloration from mold or
flooding, leaking plumbing or appliances, water entering through
sliding glass doors or similar conditions.
• Holes, grooves, control joints/saw kerfs and other depressions
must be filled with a high-quality patching & leveling compound,
troweled smooth and feathered even with the surrounding
surface.
• Concrete floors with a hydronic radiant heating system are
satisfactory, provided the temperature of the floor does not
exceed 85°F at any point. Before installing the flooring, the
heating system should be turned on to eliminate residual
moisture. Mannington does not recommend heated floor mats for
ADURA®Max.
Existing Floor Coverings
ADURA®Max can also be installed over most existing hard surface
floor coverings provided that the existing floor surface can be made
smooth.
• Ceramic tile should be made smooth by applying a cementitious
overlay such as patching or leveling compound (filling grout lines
not required).
• Existing grout lines can be laid over.
• Existing floors should non-cushioned, fully adhered and not
exceed one layer in thickness.
• Do not install over carpet.
• Floor should be flat, smooth, dimensionally sound and free from
deflection.
INSTALLATION
ADURA®Max is designed to be installed as a “floating” floor. Do not
secure the planks to the subfloor. Always undercut wood door
jambs. Check local building code for metal doorjamb. If jamb cannot
be cut then expansion must be maintained around the doorjamb. Do
not install cabinets or kitchen islands on top of ADURA®Max. Use
care when installing wall moldings and transition strips to not fasten
through the product. ADURA®Max is an angle/angle installation
which provides supreme joint strength.
WARNING: Do not sand, dry scrape, beadblast or mechanically
chip or pulverize existing resilient flooring, backing, lining felt,
asphaltic “cutback” adhesive or other adhesive. These products
may contain asbestos fibers and/or crystalline silica. Avoid
creating dust. Inhalation of such dust is a cancer and
respiratory tract hazard. Smoking by individuals exposed to
asbestos fibers greatly increases the risk of serious bodily harm.
Unless positively certain that the product is a non-asbestos-
containing material, you must presume it contains asbestos.
Regulations may require that the material be tested to
determine asbestos content. RFCI’s Recommended Work
Practices for Removal of Resilient Floor Coverings are a defined
set of instructions addressed to the task of removing all
resilient floor covering structures. These instructions should be
consulted with each installation. The link can be found on our
website. See mannington.com or go to rfci.com.