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ACRYLUME®
Storage and Handling
ACRYLUME® Coated Sheet incorporates a tough and durable protective surface film that
assists in the roll-forming of the sheet and imparts lasting long-term corrosion protection to
the material. However, the acrylic is extremely thin (approximately one micrometer or 1/25th
of a millimeter) and can be damaged by abusive handling. As with other coated steel products, such
as "bare" GALVALUME® Coated Sheet, the acrylic coated sheet should be stored and handled properly. This
includes careful storage and handling at the roll-former and on the job site.
| Conditions
that have a negative impact on ACRYLUME® Coated
Sheet, as well as GALVALUME® Coated Sheet include: |
 |
Marine atmospheres with constant spraying
of salt or fresh water |
|
Fallout of corrosive chemicals including,
but not limited to, chemicals, fumes, ash, cement dust
and animal wastes |
|
Water run-off from lead or copper articles
or direct contact with lead or copper |
|
Corrosive fumes or condensates generated
or released within the building |
| Situations that may affect the
long-term corrosion resistance of the acrylic coated
sheet include: |
|
Chemical or mechanical damage caused to
the acrylic or metallic coating during shipment,
handling, fabrication or erection |
|
Failure to provide free drainage of water
including condensation |
|
Failure to remove debris from the surface
of the material |
|
Prolonged contact with green or wet
lumber |
|
Presence of damp or wet insulation
materials |
Other issues to consider
include material treatment at the roll-former and the job
site.
At the roll-former: |
|
Coils must be used within 90 days of
receipt at the buyer's plant |
|
During storage, the coils must be kept in
a dry, temperature-controlled environment |
|
Roll-forming should be done without the
addition of oil- or water-based lubricants |
|
During storage in bundle form, the
material should be kept in a dry, temperature-controlled
environment |
|
During shipment, the bundles must be
covered to protect the shipment from moisture
penetration |
| At the job site: |
|
The bundles should be protected from the
weather by storing them indoors or by storing the bundles on
protected pallets with canvas or other waterproofing
covering, leaving the bottom open for adequate air
movement |
|
The bundles must also be protected from
exposure to corrosive chemicals and fumes |
Acrylic coatings do provide many benefits over traditionally
treated sheet steel products, but they are not completely
impervious. Abusive storage and handling of the material can alter the
excellent corrosion resistance of these coatings.
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