Compartmentation
Compartmentation is an important element of ‘passive fire protection’ and is achieved by dividing the premises into ‘fire compartments’ through the use of fire doors, floors and walls of fire-resisting...
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Compound
Fire Protection Compound is intended for use as a gap filling material where cables, ducts or pipework services penetrate fire compartment floors and walls. See Also Mortar, Fire Protection Compound,...
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COSHH
COSHH stands for the Control of Substances Hazardous to Health Regulations. These Regulations require employers to control exposure to hazardous substances to prevent ill health. Hazardous substances include: certain chemicals,...
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CPD (Continuing Professional Development)
An activity that professionals engage in to develop and enhance their abilities. It enables learning to become conscious and proactive, rather than passive and reactive. CPD combines different methodologies to...
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CPVC Pipes
Chlorinated polyvinyl chloride (CPVC) is a thermoplastic produced by chlorination of polyvinyl chloride (PVC) resin, which is significantly more flexible and can withstand higher temperatures than standard PVC. Uses include...
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Dampers
Dampers are moveable metal plates in a flue or chimney, used to regulate the draught and control the rate of combustion.
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Deflection
Deflection is the amount an element or structure bends or ‘sags’ when a load is applied. Allowable deflection is generally expressed as a fraction of the span, in inches. All...
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Ducts
Ducts are conduits or passages used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The needed airflows include, for example, supply air, return air, and exhaust...
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Durability
The durability of reactive materials may change significantly when exposed to specific weathering conditions. This change may result in a product not achieving the expected performance in the event of...
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EAD (European Assessment Document)
Documentation of the methods and criteria accepted in European Organisation for technical Assessment (EOTA) as being applicable for the assessment of the performance of a construction product in relation to...
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Elastomeric
Any material exhibiting elastic or rubber-like properties. Elastomeric materials are generally measured in material type, compound, and durometer (the hardness of the material).