Washer design contributes to the weather seal of a fastener. SFS offers several washer options
based upon the type of fastener and the application requirements.
Bonded Washer
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EPDM rubber bonded to metal
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Metal washers are available in galvanized steel, aluminum, and stainless steel
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Bonded washers offer a low-profile appearance
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Provides positive weather seal between panel and fastener head
Sealer Cupped Hex Washer Head
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EPDM rubber captured under integral cupped hex head washer
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Cupped washer head prevents overdriving
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EPDM washer and cupped head offers an excellent weather seal
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EPDM is protected from UV rays by cupped washer head
Control Seal
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EPDM rubber captured under the stamped "dome"
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Available on all Woodgrip drill screws
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Reinforced domed shoulder distributes clamp load
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EPDM sealant compressed in three key areas
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Weather tight seal even if fastener is driven in on an angle*
* Proper installation techniques should always be employed.
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Fastener Head Styles
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SFS offers a wide variety of fastener head styles designed to meet your project and fastener requirements.
Each head style will provide proper panel attachment and desired finish appearance.
Available fastener head styles are:
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Cupped hex washer head sealer
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Metal-alloy capped cupped: HWH ZAC or HWH MAC
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Learn more about
Weather Gard® Products.
Request a demonstration or
Contact Us for more information.
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