The Glass Railing Specialists

Dr Shim Kit

If installing balustrade onto an uneven surface, plastic shims can be used as levelers. They fit underneath the POSIglaze drain block to raise it up.

As a maximum, drain blocks can be stacked to a height of 20mm before being filled with sealant.

Read the full installation guides here.


The Dr Shim Kit can be used Base-fix POSIglaze drain blocks only. Each kit is suitable for 1 x 3m POSIglaze base fix.


Shim Dimensions:
W = 70mm
H = 70mm
D = 1mm / 2mm / 3mm


15x 1mm Shims
15x 2mm Shims
15x 3mm Shims


Excluding VAT


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