Material Safety Data Sheet (MSDS)
Safety data sheets provide information on chemical products that help users of those chemicals to make a risk assessment. They describe the hazards the chemical presents, and give information on...
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Membrane Penetration
A hole in one side of a fire-rated wall or floor for a single surface-barrier penetration, such as an electrical socket.
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Mineral Wool
Mineral wool is any fibrous material formed by spinning or drawing molten mineral or rock materials such as slag and ceramics. Applications of mineral wool include thermal insulation (as both...
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Mortar
Intended for use as a gap-filling material where cables, ducts, or pipework services penetrate fire compartment floors and walls.
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Movement Testing
There can be a range of factors that cause movement within a building, including thermal, seismic, and subsidence. This is most apparent in high-rise buildings. Without considering the building's movement,...
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Multi-Layer Pipes (MLCP)
MLCP is often perceived to be comparable to plastic-only pipe, commonly used in DIY projects. But it is a halfway house between polybutylene pipework and copper piping, consisting of a...
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Mixed/Multiservice Penetration Seal
A mixed or multiservice penetration seal is where more than one of the same or different type of services penetrate the one aperture. For instance, a letterbox aperture above a...