As they say, "Google knows all."
This little search took about 15 seconds...counting the cut and paste.
(I was a Boy Scout for a lot of years.)
The following is off of a BSA site I just visited.
Displaying the Flag
When the national flag is displayed flat, either horizontally or vertically,
on a wall or in a window, the union (blue field) should be at the top and to
the observer's left when facing the flag.
When displayed from a staff projecting from a windowsill, balcony,
or the front of a building, the union (blue field) should be at the staff's
peak (unless the flag is at half-staff).
The U.S. Flag Code, adopted in 1923 and amended by Public Law 94-344
in 1976, states "It is the universal custom to display the flag only from
sunrise to sunset ... However, when a patriotic effect is desired, the flag
may be displayed 24 hours a day if properly illuminated during the
darkness hours.
When displayed on a stage or platform, the national flag should be to
the speaker's right. Any other flag is on the speaker's left.
When suspended, the flag should be vertical with the union to the north
over an east-west street and to the east over a north-south street. The
flag should be hoisted out union (blue field) first.
Flag decals and stickers may be correctly displayed on the inside of
motor vehicle side windows.
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Flying the Flag at Half-Staff
When flown at half-staff, the flag is hoisted to the peak for an instant,
then lowered to the half-staff position (half the distance from the top
to the bottom of the staff).
Before the flag is lowered for the day, it is raised again to the top,
then lowered.
If your flag is on an outrigger flagpole or mounted on a wall and cannot
be flown at half-staff, it is appropriate to drape a purple and black
mourning ribbon across the flag.
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Wearing the Flag
A flag patch may be attached to such uniforms as those of athletes,
fire fighters, police officers, and members of patriotic organizations. The
national flag should not be used as a costume or athletic uniform.
Flag lapel pins should be worn on the left lapel near the heart.
Reproductions of the national flag in any medium such as jewelry, pins,
buttons, or printed materials must show the union (blue field) on the
top and to the observer's left when facing the flag.
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Flag Care
Be sure flags are dry before storing them.
Colors affixed to staffs should be carefully furled, placed in a flag case
or boot, or wrapped in plastic, then stored upright-preferably in a
cool, dry, dark place.
Iron-on patches make rips and holes easy to repair. They can be
bought in fabric departments in colors and various materials to match
the flag. Follow the directions on the fabric package.
Outdoor flags should be correctly folded and sealed in moisture- and
bugproof plastic bags. Store in a safe, cool, dry place.
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Folding the Flag
1. To fold the flag correctly, bring the striped half up over the blue field.
2. Then fold it in half again.
3. Bring the lower striped corner to the upper edge, forming a triangle.
4. Then fold the upper point in to form another triangle. Continue until the entire length of the flag is folded.
5. When you get near the end—nothing but the blue field showing—tuck the last bit into the other folds to secure it.
6. The final folded flag resembles a cocked hat with only the white stars on a blue field showing.
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Destroying Worn Out Flags
When the national flag is worn beyond repair, burn it thoroughly and
completely on a modest, but blazing, fire.
This should be done in a simple manner with dignity and respect. Be
sure the flag is reduced to ashes unrecognizable as a former flag.
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David
I have been to a lot, and even called a few, flag destroying ceromonies. They are something quite special. Makes me feel good just remembering them.