POK-040-ALZN Circular steel washer 40mm for the pre-assambling with the screw

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.

Product information

Product Code

Aluminum washer

Fixture

Hole diameter

Plate diameter

Thickness

Min. thickness

Max. thickness

d

D

t

tfix

[mm]

R-POK-040-ALZN

2.5

40

0.7

45

265

Base material

  • Metal Sheet & Profiles

    Metal Sheet & Profiles

  • Timber

    Timber

  • Chipboard

    Chipboard

  • Plywood

    Plywood

  • Concrete

    Concrete

  • Concrete Slab

    Concrete Slab

Applications

  • 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