InTents October/November 2019 - 55

Tents and fabric structures used in
California must meet the speci ications
of California State Fire Marshal (CSFM)
Title 19. Unlike the NFPA, the CSFM
tests materials and issues certi icates
and annual renewals. And because the
state of California tends to be a frontrunner on regulatory issues, a CSFM
certi ication is sometimes accepted in
other localities. Herculite also subjects
its fabric to another standard, ASTM
6413, which is required for government
and military contracts.

was obtained for the tent vinyl being
purchased. Sparks recommends asking
for the data that resulted from the test
in addition to a certi icate, especially
when working with a new supplier.
"It's important not to just get a piece
of paper that says 'cert' but to get a test
result, actually see some form of test
results, either by an independent lab
or by the manufacturer's lab," he says.
"Rental companies should understand
what the test method is, what it means,
and have some data to back it up from
the manufacturer of the fabric."

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Test results
While details differ, all of the tests
involve igniting lame to a fabric sample
and then removing the lame, Sparks
says. The test results in an afterburn
number (the time it took for the sample
fabric to stop burning) and a char length
number (how far the fabric burned).
"If you take the lame away, the ire
on the sample should go out in four
seconds or less," Sparks says. "And it
shouldn't burn more than seven inches.
Some tests would require less than
that, but if it's in that range, it's a lameretardant tent fabric."
If a ire marshal requests more information about lammability for a permit, the tent renter usually goes back
to the tent manufacturer, and if the
manufacturer's data doesn't satisfy the
marshal, the tent manufacturer will go
back to the fabric supplier, Sparks says.
Herculite conducts tests on every 500
yards of fabric.
"We will send a ire marshal all the
tests-'Here are 2,000 tests over the
last few years, here are the averages,
here's the mean.' That typically satis ies
the ire marshal most of the time,"
he says.
When purchasing new tent fabric, tent
renters should know what is required
by the jurisdictions where the tent will
be installed and which certi ication

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55



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InTents October/November 2019

Table of Contents for the Digital Edition of InTents October/November 2019

InTents October/November 2019 - Cover1
InTents October/November 2019 - Cover2
InTents October/November 2019 - 1
InTents October/November 2019 - 2
InTents October/November 2019 - 3
InTents October/November 2019 - 4
InTents October/November 2019 - 5
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InTents October/November 2019 - cover3
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InTents October/November 2019 - 63
InTents October/November 2019 - TentConf20_1
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