Rockwool SP Firestop Fixing Brackets

Specifically designed to form cavity fire stops within buildings. Available in Small, Large or XL sizes.

*Always Refer Back To The Manufactures Specification Document

Download Specification

ROCKWOOL SP Firestop System comprises of both the SP Firestop Slab and SP Firestop fixing brackets.

The SP Firestop Slab is a medium density stone wool slab which incorporates a foil facing to both sides.

The foil facing includes cutting lines to support accurate installation.


SP Firestop System may be installed horizontally or vertically and is suitable for cavity widths between 50mm and 600mm.

SP Firestop can also be used horizontally in cavity widths up to 1000mm for further information please contact ROCKWOOL Technical Solutions.

SP Firestop System is suitable for:

• Masonry constructions
• Curtain Walling Systems
• Large cavity voids
• Rainscreen Facades (vertical use only)

SP Firestop System is not suitable for use as a horizontal fire barrier in ventilated façade systems.

For these applications consider using the ROCKWOOL SP Firestop OSCB.

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