With up to 120 minutes fire resistance
	Integrity & Insulation
	Tested to BS476: Part 20 & AS1530: Part 4 requirement

Electrical Cable Enclosure - Internal fire

Stability/Integrity/Insulation Table 3:
For stability, integrity in fire compartment / Insulation
in adjacent compartment

Stability/Integrity/Insulation Table 4:
For stability, integrity and insulation in fire
compartment

The board thicknesses given in the tables 3 & 4 will ensure that the stability, integrity and insulation of the duct will be maintained when exposed to fully developed cellulosic internal fire (BS476 curve). For ducts which are not required to satisfy insulation criteria, and for larger ducts, please consult Promat Technical Department.

Wall penetrations

System Specification

Electrical cable enclosures are to be constructed using PROMATECT®-H, PROMATECT®-L or PROMATECT®-L500 matrix engineered mineral boards all in accordance with the Architectural Specification in the manufacturer’s handbook. Relevant constructions are to be selected according to the required FRL of 30/60/90/120 minutes of the selected elements. All printed installation details are to be followed to ensure approval to BS476: Part 20 or AS1530: Part 4. All work to be certified by installer in an approved manner.

For more architectural specifications,
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