It is possible to build a roof deck it is built similar to a dormer in the roof space obviously bigger but the principle is the same. Depending on size and building regulations this will determine the cost. It can be expensive.
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How are you accessing it? The door threshold is one of the tricky places that can leak. A deck can actually be built right over a pitched roof with the correct technique. The strength of the existing roof members, water evacuation, snow build-up, existing roofing materials, where the railing, sleepers and joists will be secured, etc. are just some of the things to condsider. I've done some of these when intrusion into the building was not an option.
no
That is the correct spelling of "screeched" (made a high-pitched wail or animal sound).
yes. it is possible. u can only break it with a VERY high pitched voice.
It agitates their mazirus gland which causes them to become extremely aggressive. The higher pitched tones confuse them and can even cause ear drum failure (in rare cases).
Any brass instrument can be played extremely loud, but a Trumpet would sound loudest, as it's the highest pitched brass instrument.
The french horn is typically pitched in F. Double horns are pitched in F and B-flat (they have a thumb valve that switches it from F to B-flat). Single B-flat horns aren't rare but are definitely not as commonly used.
Sometimes. As long as your voice isn't really high pitched, you're good! It doesn't need to be extremely low though.
"A Day in the Life" by the Beatles has an extremely loud and high-pitched noise at the end that is only audible to dogs.
"La basse" in French refers to the bass, an instrument in music that typically produces low-pitched sounds.
yes a very high pitched voice or sound can shatter glass as seen on myth busters
A sharp snapping sound is typically understood as a brief, high-pitched emission of sound. An example of this kind of sound would be a stick breaking.
it is pitched