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Insert wedi Subliner Dry with the
printed side facing upward and
press on with a rubber roller or
wooden float. Remove airpock-
ets and other foreign particles
from below the sheets.
The sheets must overlap 2”
(50.8 mm) at joints / transitions.
Leave these overlapping areas
free of any thinset and use tape
to keep them folded upward
and / or clean. Once the thinset
has cured, apply wedi Sealant
620 as a full bed onto the lower
mat’s seam connection area
and press the top overlap flat
into the wedi Sealant 620.
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Lay out wedi Subliner Dry and
cut to size using a knife or
scissors.
Apply thinset mortar to the
prepared subfloor using a
1/8 ×
1/8” (3.2 × 3.2 mm) or
1/4 × 1/4”
(6.4 × 6.4 mm) notch
trowel.
05
Spread flat all wedi Sealant
620 using a putty knife. Cross
joints should be avoided.
In complete wet rooms, wedi
recommends to flash Subliner
Dry up the wall by 2
” (50.8 mm)
where it is still invisible behind
baseboard tile or wood appli-
cations.
07
Start setting tile once wedi
620 Sealant has been allowed
to cure for 24-hours. Exposure
to water is possible after 48-
hours providing that the wedi
620 Sealant is dry to the touch.
The wedi 620 Sealant is mois-
ture curing and may require
extended cure times in dry and
cold climate, or when installed
below epoxy setting materials
and/or larger format, dense tile.
wedi Subliner
®
Dry
Installation on Floors or other suitable,
non waterproof underlayments or
substrates
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