Good for ceilings with insulation.
This recessed lighting housing is for NEW construction jobs where there is NO existing drywall or you may be able to use for existing drywall ONLY if you have enough access or crawlspace to be able to install this housing.

This unique housing is Air Tight rated and can handle up to a 90 Watt Bulb. It is still IC rated* but it is also Air Tight sealed in key engineer specified areas. One of the benefits of having this IC rated Air Tight housing is that it saves you money on your electrical bill by reducing your heating and air conditioning costs because it eliminates the escaping heat or conditioned air that normally escapes through non-Air Tight recessed lighting fixtures. No matter what State you live in this housing will save you money and increase your property's value by the simple fact that you have made your property more energy efficient. Whether you live in the central, the east or west side of the USA, this housing is the future of all recessed housings. Not only will it save you money and increase your property value, it will also help decrease the ever growing problem of the depletion of our planets natural resources and reliance on foreign fuel and its rising cost.