For every vinyl fence there are
a lot of ingredients that go into making (also called extruding)
the fence. Here are some of the ingredients and processes.
TiO2:
Well, TiO2 stands for Titanium Dioxide. Basically it is the
most expensive part of your fence. Co-extrusion functions
as a suntan lotion on your fence protecting it from UV rays.
Mono-extrusion functions as a mixture, not just a top layer,
that is extruded throughout the profiles. Co-extrusion uses
10 parts TiO2 on the outerlayer (which is paper thin), while
Mono-extrusion uses 12 parts TiO2 throughout the entire size
of the profile.
Resin:
Resin is the largest part of the extruding process. It kind
of functions like the flour in a cake. There are two common
types of resin out there: pipe grade and siding grade. Pipe
grade is used for that Vinyl pipe under your kitchen sink and
siding grade is what is used on the outside of your homes.
Impact Modifiers:
This ingredient helps give vinyl some flex. Basically it allows
the vinyl to modify on impact.
ASTM Standards:
American Society for Testing and Materials sets the minimum
standards for any of your building materials. They do not
approve anything. No company can be approved by ASTM; they
can only meet or exceed these basic standards.
Extrusion Processes:
There are two extrusion processes out there: monoextrusion
and co-extrusion. Basically, they are two different ways of
making your fence. Monoextrusion is the original way fence
and even siding is made. Mono-extrusion is a process that
injects a U.V. protector in the entire profile, having 100%
coverage. Now most fence companies use co-extrusion because
of cost, which is extruded with a capstock (the outer layer)
and a substrate (the inner layer). Using co-extrusion causes
the profile to have ONLY 20% coverage of U.V. protection,
which is the capstock and is only paper-thin. It is easy to
understand the differences if you think of mono-extrusion
as being solid gold and co-extrusion as being plated gold,
in time the outer layer will wear off and the fence profiles
will begin to become brittle, crake and peal.
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Country
Estate Fence is constructed exclusively of solid wall
virgin polyvinyl compounds. Compare Country Estate Fence
with its solid wall virgin polyvinyl compounds to any
co-extruded fence product and it becomes obvious that
competitors are making co-extruded products rather than
virgin solid wall fencing for no other reason than to
increase their profits. Buyer beware! It is not always
easy to recognize a co-extruded product. Some of it is
produced with a white interior and the outside layer (capstock)
is so thin it is difficult to detect.