PRODUCT GUDE interactive 2024 - Flipbook - Page 153
SUPPLEMENTARY INFORMATION
CORROSION CATEGORIES AND PRODUCT WARRANTY
SUPPLEMENTARY
INFORMATION
Evolu琀椀on Fasteners provides a comprehensive and industry leading product
warranty. It is advised that you take 琀椀me to read our Standard Product Warranty
Document (available on our website) to ensure that you comply with the
requirements of the warranty.
WOODMASTER®
RANGE
ACCESSORIES
While all warran琀椀es provided by Evolu琀椀on Fasteners are done so on a case-bycase basis
a昀琀er submission of an assessment to our Technical Department,
generally the largest factor is the corrosivity category which details the level of
exposure and environment type the fasteners will have to face for their design
lives. These corrosivity categories, as well as the recommended steel grade to be
used in their respec琀椀ve applica琀椀ons:
C1
(Very Low)
0.0 – 1.3
Clean, heated residen琀椀al
rooms without moisture.
Not applicable.
EDZ4
C2
(Low)
1.3 – 25.0
Rooms where condensa琀椀on
can occur.
Rural areas with low
pollu琀椀on.
EvoShield® 500
C3
(Medium)
25.0 – 50.0
Produc琀椀on rooms with
some
humidity.
Urban areas with
moderate
pollu琀椀on.
A2-70
A4-50
C4
(High)
25.0 – 50.0
Chemical plants, breweries,
etc
Urban areas with
moderate
salinity (1,000 –
2,000m from salt
water source).
C4
(High)
25.0 – 50.0
Buildings with permanent
condensa琀椀on and high
pollu琀椀on.
Coastal areas (≤
1,000m from salt
water source).
A4-50
CX
(Extreme)
200.0 –
700.0
Excep琀椀onally aggressive
environments (swimming
pools,
etc
O昀昀shore
A5-70
MASONRY SCREWS
& ANCHORS
GRADE
REQUIRED
STRESS PLATES/
WASHERS
EXTERNAL
INSULATION
FIXINGS
INTERNAL
BI-METAL TEK®
RANGE
STEEL LOSS
T
/ YR (ΜM)
CARBON STEEL TEK®
RANGE
CATEGORY
DRYWALL
SCREWS
Atmospheric Corrosivity Categories and Examples of Typical Environments
153
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