Sela Washers

Red Squirrel Trade & DIY Verified independent store

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Used when securing roofing sheets to create a watertight seal. When using spring head roofing nails just a washer (SW) is required. If using hook bolts you will also require a Sela Cover (SC) to cover the washer and nut to complete the seal.• Made from PVC with a Shore A of 75 Show more