7ARCC-BT-INSULATION AND HARDWARES

building insulation

refers broadly to any object in a building used as insulation for any purpose. for thermal purposes, acoustical insulation, fire insulation, impact insualtion

thermal insulation

materials used to reduce the rate of heat transfer or the methods and processes used to reduce heat transfer

heat or thermal ocnduction

the spontaneous transfer of thermal energy through matter to equalize temperature differences. It also described as heat energy transferred from one material to another by direct contact

convection

the movement of molecules within fluids

radiation

energy in the form of waves or moving subatomic particles emitted by an atom or other body as it changes from a higher energy state to a lower energy state

21.1deg C/ 70deg F

the standard comfortable temperature of insulation required to keep a resting person warm in a windless room is

oriented strand board

an engineered wood product formed by layering strands (flakes) of wood in specific orientation

batts are precut, blankets are in continuous rolls

difference between batt and blanket insulation

ironmongery

old term of hardwares

door closer

a mechanical device that closes a door, in general after someone opens it

hinge

type of bearing that connects two solid objects, typically allowing limited angle of rotation between them