EverGuard® Water‑Block Mastic Specs

      EverGuard® Water‑Block Mastic Docs

      EverGuard® Water‑Block Mastic Videos

      Why EverGuard® Water‑Block Mastic?

      A one-part, butyl-based high-viscosity sealant, suitable for sealing between flashing membrane and substrate surfaces, behind exposed termination bars, and between roofing membrane and drain flanges.

      ecomedes sustainability logo

      See how this product can help you meet your environmental goals.  View sustainability information here.

      Where to buy

      Find a commercial distributor near you.

      Find a contractor

      Find a GAF certified contractor near you.

      Get Support at Every Phase of Your Project

      PLANNING

      Get assistance with detail drawings and products
      GET STARTED

      PURCHASE

      Receive support from your local territory manager
      CONNECT

      DELIVERY

      Get delivery instructions or see status updates
      GET STATUS