Marine Fabricator January/February 2022 - 45

This sofa was built in
separate components and
assembled in place.
Some foam products are injection
molded. This is a process where the
chemicals are poured into a mold of
the fi nal product, which is commonly
how the foam for boat captain seats
are created.
Foam buzz words
When discussing foam durability
and feel, there are three main buzz
words used in the industry that
are often misunderstood: density,
compression and resilience.
Density: This is the primary factor
for durability, meaning how long a foam
will maintain its original qualities before
it breaks down. It is a measurement
used to defi ne how durable and
supportive a foam is, but it does not
determine the hardness or fi rmness of
the foam. Foams with a higher density
contain more foam and less air. The
heavier the foam, the more support
you will receive and the longer it will
last. Measured in pounds (lbs.), density
refers to how much foam is contained in
a 12-by-12-by-12-inch block.
Something to keep in mind when
creating a custom piece or replacing foam
is how the weight of the foam will affect
the performance of the fi nal product.
For example, a heavy foam mattress or a
lot of cushions in a racing sailboat could
affect the performance of the craft.
Compression: This is the main
factor in determining fi rmness, but
it is unrelated to durability. Firmness
interprets the feel of the foam and
how it yields to weight and pressure.
This measurement, or test, is called
" indentation load defl ection " (ILD)
and is determined using mechanical
performance testing. The lower the ILD,
the softer the foam. The higher the ILD,
the fi rmer the foam.
Many people believe that the harder a
foam feels, the longer it will last. This is
a common misconception. Super hard
foam with an ILD of 60 can come in
www.marinefabricatormag.com | 45
Rebecca Delano stands next to a
slab, also called a " bun " of foam.
When building custom pieces such as this
sofa for a Hood 57 LM, the weight of the end
product should be taken into consideration as
it might affect the performance of the vessel.
http://www.rexpeggfabrics.com http://www.marinefabricatormag.com

Marine Fabricator January/February 2022

Table of Contents for the Digital Edition of Marine Fabricator January/February 2022

Marine Fabricator January/February 2022 - Cover1
Marine Fabricator January/February 2022 - Cover2
Marine Fabricator January/February 2022 - 1
Marine Fabricator January/February 2022 - 2
Marine Fabricator January/February 2022 - 3
Marine Fabricator January/February 2022 - 4
Marine Fabricator January/February 2022 - 5
Marine Fabricator January/February 2022 - 6
Marine Fabricator January/February 2022 - 7
Marine Fabricator January/February 2022 - 8
Marine Fabricator January/February 2022 - 9
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Marine Fabricator January/February 2022 - 11
Marine Fabricator January/February 2022 - 12
Marine Fabricator January/February 2022 - 13
Marine Fabricator January/February 2022 - 14
Marine Fabricator January/February 2022 - 15
Marine Fabricator January/February 2022 - 16
Marine Fabricator January/February 2022 - 17
Marine Fabricator January/February 2022 - 18
Marine Fabricator January/February 2022 - 19
Marine Fabricator January/February 2022 - 20
Marine Fabricator January/February 2022 - 21
Marine Fabricator January/February 2022 - 22
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Marine Fabricator January/February 2022 - 24
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Marine Fabricator January/February 2022 - 26
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Marine Fabricator January/February 2022 - 30
Marine Fabricator January/February 2022 - 31
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Marine Fabricator January/February 2022 - 35
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Marine Fabricator January/February 2022 - 41
Marine Fabricator January/February 2022 - 42
Marine Fabricator January/February 2022 - 43
Marine Fabricator January/February 2022 - 44
Marine Fabricator January/February 2022 - 45
Marine Fabricator January/February 2022 - 46
Marine Fabricator January/February 2022 - 47
Marine Fabricator January/February 2022 - 48
Marine Fabricator January/February 2022 - Cover3
Marine Fabricator January/February 2022 - Cover4
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