Placing the window stool in start by placing one of the side trims against the side of the window.
Arched window trim install.
Installing a 5 trim for more details on how to install arch trim around your windows read about this arch molding installation.
How to trim arched windows two types of arches find the arch cut the arch mitered arch.
Then line up a straight edge with the marks and draw the cut lines.
On both sides mark where the circle starts to turn in.
Arched windows or transoms should be trimmed out just like any other window.
As far as the arches it was a local craftsman i found when googling arch trim austin texas i live in the austin area.
If the molding is not custom made to the window the molding must be.
How to install arched window trim step 1.
The trim is nailed directly to the window jamb.
To make the cuts on a miter saw support the free end of the circular trim in back of you.
The cost was around 240 total if memory serves me right i have a memory of 80 window.
In this installation the et 8751 polyurethane molding was used to surround the window with 5 of trim.
As far as adding them i literally just nailed them on following the arch of the window.