Additional Information:   Fasteners   Sealing Washer Items   Sealing Washer Size Options & Installation

Data Courtesy SFSintec

Washer design contributes to the weather seal of a fastener. We offer several washer options based upon the type of fastener and the application requirements.

Bonded Washer

• EPDM rubber bonded to metal
• Metal washers are available in galvanized steel, aluminum, and stainless steel
• Bonded washers offer a low-profile appearance
• Provides positive weather seal between panel and fastener head

• EPDM rubber captured under integral cupped hex head washer
• Cupped washer head prevents overdriving
• EPDM washer and cupped head offers an excellent weather seal
• EPDM is protected from UV rays by cupped washer head

• EPDM rubber captured under the stamped "dome"
• Available on all Woodgrip drill screws
• Reinforced domed shoulder distributes clamp load
• EPDM sealant compressed in three key areas
• Weather tight seal even if fastener is driven in on an angle*

Fastener Head Styles

	irius drive, low profile
	HWH (hex washer head)
	Cupped hex washer head sealer
	Metal-alloy capped cupped: HWH ZAC or HWH MAC
	Pancake head

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