1 Room utilization â Actual room time used during a case(s) divided by total free time for a given room.  Block utilization â Actual room time used during a case(s) divided by total allocated amount of time for a surgeon. Block time allocation is usually set aside for specific surgeons, but can also be defined for the group they belong to or the surgical service(s) the surgeon is associated with.
The most common insulation materials are fiberglass, cellulose and foam. Insulation types include loose fill, batts, rolls, foam board, spray board and vapor barriers. Tip: The type of insulation you need depends on which is currently installed and the required R-value. Blown-in/loose fill. 1  Usually made of fiberglass or cellulose (recycled paper fiber) 2  Blown or sprayed into place with pneumatic equipment. 3  Ideal for hard-to-reach areas such as attics.  Can fill wall cavities and installed over existing insulation.
When installed properly, an attic fan can effectively cool the attic and draw fresh, cool air into the home. Attic fans work by drawing air from the rest of the house into the attic through an opening between the two spaces. It then ventilates this air to the outside of the house for an overall cooling effect.