Also described as Glazing Packers, these are primarily used within the window industry for the support and levelling of glazed units within window frames. They are manufactured in polypropylene in 4 sizes and 6 colour coded thicknesses as shown below.
These packers can also be used in many other construction or DIY applications.
Some common uses are:-
Levelling of timber studwork
Installation of windows and door frames
Levelling of electrical cable trays and conduits
Levelling of HVAC ductwork
Kitchen cabinetry and counter tops
Hardwood and laminate flooring installation
Used as spacers for brickwork or tiling