Specifications Part 2

Page!4!of!5! 6063-M!(2016-3-21)!
PART!3!–!EXECUTION!
3.1!! SITE!INSPECTION!
A. Examine!the!subfloor!before!installation!to!ensure!that!the!surface!is!clean,!dry,!smooth,!structurally!sound
and!free!from!foreign!substances!that!may!adversely!affect!adhesion!or!cause!discoloration.!Furthermore,
ensure!that!the!subfloor!is!free!of!paint,!varnish,!adhesive,!oil,!grease,!solvent!and!other!foreign!substances,
including !tre at m e n t!c o m p o u n d s,!s ea le rs!a n d !cu r in g!c o m p o u n d s !th at !m a y !a dv e rse ly!a ff ec t!a d h es ion !o r !alt er
the!appearance!or!du rab ility !of!the!vin yl!floorin g.
B. Verify!the!surface!to!ensure!there!is!no!powder,!scaling!or!mold.!If!there!is,!remove!it!with!a!mechanical
sander!and!level!with!a!good-quality!cement-based!Portland!primer.
C. Never!remove!residual!or!other!adhesive!with!chemical!adhesive!removal!products;!their!use!will
automatically!void!the!Mohawk!product!warranty.
D. Report!and!rectify!all!unsatisfactory!conditions.!Do!not!start!flooring!installation!until!all!rectifications!have
been!completed.
3.2!! SUBFLOOR!PREPARATION!
A. All!subfloors!should!be!smooth,!flat!and!dust!free!with!the!tolerance!not!exceeding!more!than!1/8”!in!a!10’
span.!All!subfloor!and!underlayment!patching!must!be!performed !with!a!non-shrinking,!water-resistan
t
Portland!cement!patching!compound.
B. Mechanically!remove!all!surface!contam ina n ts !su c h !as !p a in t,!oil,!g re as e,!v a rn ish ,!a d h esiv e !as!well!as!various
other!products!such!as!treatment!compounds.
C. Measure!the!humidity!and!pH!levels!in!the!cement!in!compliance!with!the!following!standards!before
installation :
1. ASTM!F!1869,!Anhydrous!Calcium!Chloride!test!for!moisture!levels.!The!maximum!allowable!reading!fo
r
M700!adhesive!is!5!lbs/1,000!sq.!ft./24!hours!(2.26!kg/92.9!sq.!m/24!hours).
2. ASTM!F!2170,!Relative!Humidity!(RH)!test!using!in!situ!probes.!The!maximum!allowable!reading!is:
a. 85%!RH!!for!M700!Adh e sive
b. 95%!RH!for!M95.0!Adhesive
c. 93%!RH!for!the!MS160!Spray!Adhesive
3. ASTM!F!710,!pH!levels!(test!procedure!5.3.1).!The!readings!should!be!b etween!8!and !9.!The!ASTM!test
frequency!rec ommendatio n!is!3!measures!for!the!first!1,000 !sq.!ft.!(92 .9!sq .!m )!an d!o ne !m ea su re!fo r!ea ch
additional!1,000!sq.!ft.!(92.9!sq.!m).
D. Ensure!Moisture,!Relative!Humidity!and!pH!tests!have!all!been!conducted!and!measurements!meet!Mohawk
Group’s!recomm e n d a tio n s .
E. In!case!of!do u b t,!te st !th e !adhesion!on!the!cement!subfloor!or!other!surface!that!will!be!covered!by!th
e
flooring.!Do!the!te st!us ing!th e!sp e cified !floo ring!a nd !rec ommended !ad h esive .
3.3 !!!!!RESILIENT!FLOORING!INSTALLATION!
A. Install!the!flo o rin g !a cc o rd in g !to !th e !la te st !ve rs io n !o f!Mohawk!Group’s!Installation !In s t ru c tio ns.!Use!the !to ols,
adhesives,!trowel!types!and!procedures!recommended!in!the!instructions.
B. Acclimatize!the!subfloor,!all!flooring!material!and!adhesive!for!48!hours!before!and!during!the!installation!by
maintaining!the!room!temperature!between!65°F!(18°C)!and!85°F!(29°C).!Afterwards,!m ain tain !the
temperature!betw e en! 55°F!(13°C)!and!90°F!(32 °C).
3.4!! CLEANING!AND!PROTECTION!
A. Remove!all!excess!adhesive!immediately!after!installation!as!recommended!in!Mohawk!Group’s!Installatio n
Instruction s .