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1984
1988
1997
1999
2003
2004
OUR HISTORY
Polylok moves into
a 35,000 square
foot facility located
at 60 Capital Dr.
in Wallingford, CT
combining office
and warehouse
space.
Polylok purchases a
25,000 square foot
warehouse facility
located at 120
Church St. in
Yalesville, CT to
accommodate their
growing product
lines.
Polylok, Inc. is
formed in a small
office space above
United Concrete’s
precast plant in
Yalesville, CT to
address a need in
the industry for
onsite wastewater
products.
Polylok patents the
Poly I pipe seal.
Polylok develops
and patents the
PL-122 effluent
filter, putting them
on the road to
becoming the
leader in effluent
filter technology.
Polylok develops
the Extend & Lok™,
a simple, easy to
use solution that
extends the inlet or
outlet pipe.
Later in the year,
Polylok introduces
the D-Box seal &
nut to create a
watertight connection
for drainage and
distribution boxes.