Trim Terms

We have a lot of trim in our house, so I thought I’d share the technical names of some trim features.  We’ll work from the bottom to the top.

We have baseboard and shoe moulding.  baseboard are the lowest piece of trim, covering the joint between the wall and floor.  Shoe moulding is similar to quarter round moulding, but is higher than it is wide.  Shoe moulding is installed where the baseboard meets a finished floor.

Plinth blocks are a middle ground for door casement and base board to meet.

Chair rail is a horizontal piece of trim that is usually installed 36 inches from the floor to protect the wall from the being damaged by chair backs.

Now, we come to the humble window sill.  I’m sure most, if not all, of my dear readers know what a window sill is.  For those that don’t, the sill is the lower horizontal part of the window opening.  I like for ours to extend 1 inch past our casement.

Casement trim is placed around doors and windows to cover gaps and imperfections. Rosette blocks are a decorative alternative to mitered casement corners.

3 thoughts on “Trim Terms

  1. The window sill is an exterior trim. The part that you prefer to have extending an inch from your casement is called the stool.

    1. I stand corrected! I have always heard it as a window sill, inside or out. Thanks for the heads up!


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