Finishing the Bubble Doors

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 I used a black spray to finish the inside face of the Plexiglas called “Lacryl” which is a specially formulated Lacquer used in the sign business.  It has a very nice eggshell appearance on the sprayed side and a very glossy black look on the outside.  I used a metal reinforced black plastic edge to finish the plexiglas flange that extended beyond the door frame and I attached the plexiglas to the steel door frame using special black sheet metal screws with a waxed black plastic washer.  A Plexiglas drill bit was used to drill slightly oversized holes in the plexiglas to eliminate cracking or splitting when the sheet metal screws were attached and tightened.