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When a
manufacturer cites quality claims, whose word are you taking?
Vinyl siding is the only exterior cladding with both third-party
product
certification and certified
installer programs.
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Verified
by an independent quality control agency, who conducts
two unannounced inspections at each plant every year |
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Ensures
that vinyl siding meets or exceeds ASTM D3679,
the long-standing, accepted industry standard for quality
vinyl siding |
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Includes
tests for weatherability, windload, impact resistance,
heat shrinkage and surface distortion
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Verifies
manufacturers' advertising claims of length, width, thickness
and gloss |
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Includes
a "color
retention" certification to verify that
colors meet or exceed requirements of ASTM D6864
or D7251, demonstrating the ability to resist major
changes over time in a variety of climates |
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Trains
and tests vinyl siding installers on their knowledge of
proper vinyl siding installation techniques based on the
industry standard ASTM D4756 |
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Involves
a combination of classroom training, hands-on instruction
and a written test administered by a VSI Certified Trainer |
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Requires
recertification every three years to ensure that VSI
Certified Installers are using the most up-to-date installation
techniques
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