Room temperature curable composition

A room temperature curable composition comprising a fluorine-containing organosilicon compound represented by the following general formula (1):

• ##STR11## wherein a is an integer of at least 1, b is 2 or 3, R.sup.1, which may be the same or different where plural R.sup.1 are present, is a monovalent unsubstituted or substituted hydrocarbon group, the plural R.sup.2 may be the same or different and are each a divalent unsubstituted or substituted hydrocarbon group, the plural X may be the same or different and are each an alkoxy group or an alkenyloxy group, the plural R.sub.f may be the same or different and are each a divalent perfluoroalkylene group or a divalent perfluoroalkylether group, and Q is a siloxane group expressed by the following formula (2):
• ##STR12## where the plural R.sup.3 and R.sup.4 may be the same or different and are each a monovalent unsubstituted or substituted hydrocarbon group.