An expansion gap is a gap between building elements that allows them to move with expansion, (this can be caused by temperature and moisture changes), without pressing into each other and being damaged. The size of the gap can be calulated and will depend on the amount of movement expected.
the expansion gap is suck your mum
to expand things that need expansion ;)
Increases If the gap can easily be conceived as a small break in a metal ring, then the expansion of the metal ring may decrease the gap size.
to measure spark plug gap
An attempt to stop westward expansion.
Turner said that colonial expansion served the purpose that the frontier had for earlier Americans.
to circulate water in fresh water tank to expansion talk.
gap allows information to jump between neurons
main purpose is cover the gap of door and window frame and wall and decorative of door and windows
I assume the "gap" you refer to is the expansion joint between the coping and the concrete deck. The expansion joint is there to prevent damage from occurring in case of movement. There should be no reason for concern, unless you are replacing the deck.
it only to show off
allow for tube expansion