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.
Chimney and flue types: 1  Masonry (brick or stone fireplaces and chimneys) with or without tile-lined flue. 2  Reinforced concrete chimneys. 3  Metal-lined flue: Double or triple walled metal pipe running up inside a new or existing wood-framed or masonry chase.