As for the rest of the time--when I'm watching ballroom-dancing competitions and searching for batteries for my Bop It and extracting all the sopapilla pieces from a gallon of limited edition cinnamon ice cream with the precision of a brain surgeon--there's no real excuse.
Definition of ALLOWANCE: A deduction, an average payment, a portion assigned or allowed: the act of allowing. The Law Dictionary Featuring Black's Law Dictionary Free Online Legal Dictionary 2nd Ed. Navigation
Air space - The area between insulation facing and interior of exterior wall coverings. Normally a 1 air gap. Allowance(s) - A sum of money set aside in the construction contract for items which have not been selected and specified in the construction contract. For example, selection of tile as a flooring may require an allowance for an underlayment material, or an electrical allowance which sets aside an amount of money to be spent on electrical fixtures.