Alan 1 Posted April 5, 2008 Report Share Posted April 5, 2008 Architrave corner blocksThe idea behind the Architrave corner block is that it offers an alternative to mitring architraves around doors and windows etc. As a general rule they are 10mm wider than the architrave or trim they are accompanying, so if you are using a 70mm architrave then you will need a 80mm corner block. Link to post Share on other sites
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