Where to get UPVC risers?

Where to get UPVC risers?

Where to get UPVC risers?

I need to get a UPVC riser

I've found on amazon
The item is called 'pvc Run Up Riser Block White Window or Doors 11mm Step Guide Closer'

I can't find in Screwfix or toolstation
Maybe it's called something else?

Thanks

by OM2

This has been automatically posted in the DIYNot Forum on DIY Talk. The new DIY Forum