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
-
Timber
-
Chipboard
-
Plywood
-
Concrete
-
Concrete Slab
Applications
- Systems of mechanically fastened flexible roof waterproofing membrane
Installation guide
- Position POK washer on insulation and insert: WCS,WW screw
- Using drilling machine, drive the screw into substrate until fixing depth is reached
