No, the word 'ceiling' is a common noun, a general word for an upper interior surface of a room or an upper limit of something.A proper noun is the name of a specific person, place, or thing.
No. A gerund is a verb that has an ending -ing. For example, talking, running, eating, etc. Ceiling is a noun, so it is not a gerund.
A coffered ceiling is a method of finishing a ceiling by building in indented boxes. The word coffer is a word that can mean box or chest, and as such a coffered ceiling is quite literally a "boxed ceiling."
The word is spelled ceiling, just as you spelled it.
Another name for a base is Alkali.
a suspended ceiling
crest
Pop-up, coffer.
CAVU = Ceiling And Visibility Unlimited.
One Man's Ceiling is Another Man's Floorfrom:There Goes Rhymin' Simon (1973)
They are sloped
Not necessarily. A perpendicular to a sloped line will be sloped. It will be at right angles to the sloped line, though.
why PPF in economics is negatively sloped
Ceiling can holder is the name of a song. This song is new by Macklemore.
Carefully. First, do not let a contractor merely stuff the space with insulation and then place the sheetrock. You must have them install what are called attic chutes or vent chutes between each rafter. Very easy and inexpensive to do. This insures air can travel up the sloped ceiling and to the attic or ridge vent above. Otherwise, you run the risk of condensation builing up in the walls which leads to mold which leads to unexplained sickness. And eventually you realize everything must be torn out and redone.
the creation of adam which was painted on the Sistine Chapel ceiling
Ceiling