Dowty Washers

Sizes available - M8

Available in our Lifton, Launceston & Tavistock Branches

Product Information

  • Black thermo-plastic roof seal washers provide an effective weather seal on fibre cement and metal sheeting

  • The washers are designed to exert ever increasing sealing pressure at the washer rim whilst the fixing is being tightened

  • Also known as Spat Washers