Fire stopping is best defined as the sealing of gaps and openings (often with services passing through) to prevent fire, heat and smoke passing from one building compartment to another. The degree of spread is controlled by creating fire-resisting compartments which subdivide the building. This may be vertically or horizontally.
However, a major threat from fire in most building structures occur where concealed cavities between fire separating walls and floors are interlinked. It is therefore essential that all openings and gaps are fire-stopped to restrict lateral and vertical fire spread and to achieve the required degree of containment. Failure to do so may cause fire to spread uninterrupted in cavities and penetrations in a building.
Services by necessity, breach compartment walls and floors allowing failure to occur where gaps around services have not been adequately fire-stopped. Fire-stopping products must be able to provide sufficient insulation to the penetrating services, in order to reduce the temperature rise.
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Fire rated Sealants are designed for sealing gaps and joints in fire rated structures, and for maintaining integrity when sealing around service penetrations.
It can be used in most low movement joints up to 30 mm wide with no slump and can be over-painted.
Often gaps need to be sealed for purposes other than fire, we can provide expert guidance and advice on sealing for air leakage and acoustic separation between different elements of structure.
Coated Batts are used to provide fire and acoustic barriers for voids created by the passage of services in both dry wall and masonry walls, and floors. The Batts can also be used to form a blank seal in wall and floor voids and seal gaps between elements of the structure (e.g. curtain walling to cladding) Batts are manufactured from Rockwool material coated with a flexible and resilient layer of fire resistant material.
This is ideally suited to being cut around service penetrations and other elements of structure ensuring that a complete and robust fire compartment has been installed.
Fire Compound provides higher strength fire seals, generally in floor openings to take foot traffic, around service penetrations. Fire Compound is a formulated gypsum based mortar which provides strength and is light weight.
Mortars are different types of material offering different capabilities in terms of load bearing capacity. Generally gypsum or cement based depending on requirements in terms of load and other considerations (i.e. acoustic requirements)