Poor instructions and no built in position lock.

The housing doesn't have a way to lock the joist hanger in place like most recessed lights. If there is a way, it was not apparent so other means are required to ensure the placement doesn't move. Since the instructions included were not even applicable to this style of sloped housing, they were also useless in this regard. Nicor's online instructions were the same. For the cost paid for this housing, it should have all of the above and then some.