Cleaning And Polishing Bronze Elevator Doors And Cabs
- Procedure code:
- Gsa Office - 4P2
- Metal Materials
- Last Modified:
CLEANING AND POLISHING BRONZE ELEVATOR DOORS AND CABS
A. This procedure includes guidance on the general cleaning
and polishing of bronze elevator doors and cab walls.
More detailed guidance is provided in several other
bronze cleaning procedures. These have been noted, when
applicable, and should be referenced in conjunction with
B. See 01100-07-S for general project guidelines to be
reviewed along with this procedure. These guidelines
cover the following sections:
1. Safety Precautions
2. Historic Structures Precautions
4. Quality Assurance
5. Delivery, Storage and Handling
6. Project/Site Conditions
7. Sequencing and Scheduling
8. General Protection (Surface and Surrounding)
These guidelines should be reviewed prior to performing
this procedure and should be followed, when applicable,
along with recommendations from the Regional Historic
Preservation Officer (RHPO).
A. J.A. Wright & Co.
62 Dunbar Street
Keene, NH 03431
A. Lemon oil
B. Mineral oil
C. Wax (silicone or furniture wax)
D. Liquid brass cleaner (contain a very fine abrasive) such
as "Brasso", "Noxon", "Golden Glow", "Wright's Brass
Cleaner and Polish" (J.A. Wright & Co.), or approved
NOTE: THESE WORK WELL ON TARNISH, BUT CAN LEAVE BEHIND
A RESIDUE THAT WILL BUILD UP IN JOINTS OR CARVED AREAS IF
NOT COMPLETELY REMOVED.
E. Mild detergent
F. Clean, soft cloths
G. Clean, potable water
A. Scotchbrite Type "A"
1. Ensure that the elevator is parked in place before
proceeding with cleaning and polishing operations.
2. Keep elevator doors open at all times, except when
cleaning the inside of the cab doors; make sure the
elevator fan is turned on and remains running
throughout the work operations.
3. Cover and protect floor under work area using
tarpaulins or towels.
4. Take care not to spill fluids or sprays on elevator
push buttons, key switches or door reopening
3.02 ERECTION, INSTALLATION, APPLICATION
A. For Natural Finish:
1. Cleaning: Remove dirt and finger marks from the
surface by wiping weekly with a light coat of wax
on a clean, soft cloth. Lemon oil or mineral oil
may also be used.
a. Rub the surfaces lightly using a scotchbrite
pad saturated with lemon oil or mineral oil.
Rub in the direction of the grain or sanding
b. Wipe the surface dry with a clean, soft cloth.
To retard oxidation, treat the cloth with
either wax, lemon oil or mineral oil before
wiping the surface dry.
3. See also 05010-01-P for guidance on cleaning and
B. For Mirror Finish:
1. Cleaning: Remove adhesive residue or dirt by wiping
the surface with a clean, soft cloth treated with a
bronze mirror finish cleaner.
2. Polishing: Polish the surface using a cloth treated
with liquid brass cleaner. DO NOT USE ABRASIVE
POLISHES ON MIRROR FINISH BRONZE. THEY MAY
PERMANENTLY MAR THE SURFACE FINISH.
3. See also 05010-03-P, 05010-10-P and 05010-12-P for
guidance on cleaning, polishing and protecting
C. For Statuary Finish: (Oxidized bronze with a protective
finish such as "Perma-cote #62"). NOTE: This type of
coating may last anywhere from six months to two years,
depending on its location relative to amount of public
a. Dust weekly with a clean soft cloth.
b. For stubborn dirt, clean periodically with a
damp rag soaked in a mild soap and warm water.
Always wipe in the direction of the grain or
finish sanding lines.
2. See also 05010-22-R for guidance on cleaning and
oiling statuary bronze finishes.
D. For Lacquer Finish:
1. Cleaning: Clean as above for statuary finish.
2. If lacquer coating becomes oxidized, it will need
to be replaced. See 05010-11-R for guidance on
repairing a scratched or worn Incralac coating on
3. See also 05010-24-R for guidance on refinishing
END OF SECTION