VELOSIT
WS
801
is
a
water
swellable
waterstop
used
for
waterproofing
of
construc?on
joints.
Typical
applica?on
fields
besides
others
are
as
follows
• Waterproofing
of
construc?on
joints
between
different
concrete
pours
• Waterproofing
of
saw
cut
joints
• Waterproofing
of
pipe
penetra?ons
• Waterproofing
of
the
wall-‐slab
joint
VELOSIT
WS
801
is
a
waterstop
that
swells
under
contact
with
water.
It
is
applied
on
the
previous
concrete
pour
into
the
center
of
the
construc?on
or
expansion
joint.
VELOSIT
WS
801
is
either
glued
with
an
adhesive
or
nailed
to
the
concrete
1000%
swelling
capacity,
fully
reversible
for
an
unlimited
number
of
cycles
• Dimensional
stable,
no
wash-out
like
with
Bentonite
waterstops
Retarded
swelling,
volume
increase
starts
several
hours
aPer
water
contact
Swelling
pressure
of
>
5
bar
(73
psi),
extreme
resitance
against
hydrosta?c
pressure
Resists
50
m
(160
P.)
water
pressure
acc.
to
EN
12390-‐8
Packaging
VELOSIT
WS
801
is
supplied
in
rolls
á
50
m
(163’).
4
rolls
are
packaged
in
a
box
(approx.
24
kg/53lbs
Storage
VELOSIT
WS
801
can
be
stored
in
unopened
original
packs
for
5
years
at
5-‐35°C
(40-‐95°F)
in
a
dry
storage
place
protected
against
sunlight