standard insulation class
1Impact insulation class — (or IIC) is an integer number rating of how well a building floor attenuates impact sounds, such as footsteps. A larger number means more attenuation. The scale, like the decibel scale for sound, is logarithmic. The IIC is derived from ASTM… …
2Sound transmission class — (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the USA, it is widely used to rate interior partitions, ceilings/floors, doors, windows and exterior wall configurations (see ASTM International… …
3Building insulation materials — A selection of insulation materials can aid in building insulation. All of these are based on standard principles of thermal insulation. Materials used to reduce heat transfer by conduction, radiation or convection are employed in varying… …
4Cellulose insulation — The word cellulose comes from the French word for a living cellule and glucose, which is sugar. Insulation is low thermal conductivity material used to separate the internal climate and sounds of a building from external climate and sounds.… …
5British Rail Class 303 — Infobox EMU name = British Rail Class 303 Blue Train imagesize = 300px caption = A pair of Class 303s in the old, 1980s onwards, Strathclyde Passenger Transport orange livery at Glasgow Central station. ( Photograph with permission of James Howie …
6British Rail Class 70 (diesel) — PowerHaul Freightliner 70001 near Clay Cross Tunnel (Nov. 2009) Power type Diesel electric Builder General Electric / …
7British Rail Class 378 — Capitalstar London Overground Class 378 No. 378149 at Crystal Palace …
8British Rail Class 376 — Electrostar 376015 at Woolwich Arsenal In service 2004 Current Manufacturer Bombardier Transportation …
9NZR DQ class — DQ / QR class DQ 6324 at Palmerston North, New Zealand Power type Diesel electric Builder Commonwealth Engineering, Rocklea, Queensland, Australia …
10SR Leader Class — Infobox Locomotive powertype=Steam name = SR/BR Leader Class Robertson, Kevin: The Leader Project: Fiasco or Triumph? (Oxford: Oxford Publishing Company, 2007) ISBN 0860936066] caption = 36001 at Oxted, taken by British Railways designer = Oliver …
