Repairing Interior Window Trim Varnish Damage from UV Rays

Step one is to tape off the area.  Then we carefully sand down the window frames with 220 to 350 grit paper and are careful go deep where there is substantial UV damage, but not so deep sanding, on the areas with no UV damage.  Good Bright Lighting is critical for the prep and the varnish work, in order to clearly see what is going on.  With out strong light, it is easy to miss areas that need to be sanded down more. Also when applying varnish, bright light helps to see runs or areas where the varnish is not quite flowing properly.

We used 2 Coats of Epifanes Clear with UV protection, light sanding in between coats, followed up by 3 to 4 coats of Epifanes Rubbed effect.  Needs a minimum of 24 hours between coats.

The Epifanes Rubbed effect gives the satin finish.  The below photos are all a work in Progress.  Will post final photos when the job is completed.
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