Appendix C – Glossary
- abatement
- to become less severe or widespread; in this analysis, refers to asbestos, lead removal, enclosure or encapsulation in order to minimize health risks
- acoustic
- sound absorption
- amended water
- water to which a surfactant (wetting agent) has been added to increase the ability to penetrate the asbestos insulation
- barium-impregnated material
- dense material used in soundproofing
- bulkhead
- any vertical partition separating compartments on a ship
- cladding
- covering applied to insulation as a protective or decorative cover
- deckhead
- under side of a ship’s deck viewed from below the ceiling
- encapsulate
- applying sealants or sprays to prevent airborne contaminants
- enclose
- to box in, using materials such as metal or drywall
- fire stopping
- compartmentalizing to prevent spread of smoke, gases and fire
- fireproofing
- protecting material from burning
- foil scrim kraft (foil skin)
- layered reinforcing consisting of a outer aluminium foil with fibreglass scrim (fibres) in the centre and an inner layer of kraft paper; it is applied to the insulation and comes in rolls to tape seams in insulation
- goosenecking
- fastening a garbage bag then folding the top down over itself and fastening again, resembling the shape of a goose’s neck
- gores
- pieces of flat jacketing material fabricated to cover an elbow part or head segment of the insulation system
- head segments
- pieces of insulation material fabricated to cover a dome shape part of the insulation system
- lags
- mitred sections of flat insulating material cut to form a specific shape
- plenum
- enclosed portion of a structure designed to allow air movement
- remediation
- to become less severe or widespread; in this analysis, refers to mould removal, enclosure or encapsulation in order to minimize health risks
- soundproofing
- sound damping or deadening
- stud and rail
- fastening system for insulation and cladding on equipment such as tanks and boilers
- vessel
- pressurized container such as propane tanks, exchangers, cylinder tanks
- watershed
- installation or fabrication technique used to prevent water entering into the insulation