POK-041-ALZN Circular steel washer 40mm

Steel washer with special form for roofing applications, for use with all types of roofing screws.

Features and benefits

  • Round washer made of aluminum and zinc sheet, which ensures a very high resistance against corrosion. Its sculpted shape allows for trouble-free installation using a dedicated rigid mounting screws for hard roof insulation.

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    Base material

    • Metal Sheet & Profiles

      Metal Sheet & Profiles

    • Timber


    • Chipboard


    • Plywood


    • Concrete


    • Concrete Slab

      Concrete Slab


    • Systems of mechanically fastened flexible roof waterproofing membrane

    Installation guide

    Installation guide
    Installation guide
    Installation guide
    1. Position POK washer on insulation and insert: WCS,WW screw
    2. Using drilling machine, drive the screw into substrate until fixing depth is reached


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