What I did instead is to paint the doors on the hall side in the same color (but higher sheen) as the walls on that side, and on the inside of the rooms that the doors were attached to I painted the doors the color of the trim in the room.
tabular alumina applications tabular alumina is the material of choice in unshaped and shaped high performance refractories used in a variety of industries steel foundry cement glass petrochemical ceramic and waste incineration other common non refractory applications include its use in kiln furniture and for metal filtration
Adhesive Tabs. Composed of a thin film of strong nonconductive adhesive. Size of adhesive area is 7/16 (11mm) diameter which is appropriate for 1/2. SEM pin and cylinder mounts. Place the press portion of the tab on an SEM mount surface. After pressing, pull tab up and a thin layer of adhesive is left on the mount surface.