Trapezoidal Firestops
The Trapezoidal Firestops are part of the ROCKWOOL® Linear and Trapezoidal Firestop system which is a linear firestop solution for use within compartment junctions.
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Application(s)
- Fire Protection
- Linear Joint Seals
Product description
The Linear and Trapezoidal Firestop system consists of a range of strips and pre-shaped blocks of ROCKWOOL high-density stone wool insulation. It is used as a linear firestop seal at junctions between the top of compartment walls, and the underside of roof and floor constructions.
The Trapezoidal Firestop can be manufactured to suit a wide range of steel profile dimensions. All FireStop products are supplied in standard lengths of 1m.
*subject to application
- Tested in accordance with BS EN 1366-3:2021 and BS EN 1366-4:2021
- Up to 240 minutes of fire resistance*
Areas of application
Linear and Trapezoidal Firestop is suitable for use on the following construction types:
- Compartment junctions
Documentation

FirePro Linear and Trapezoidal Firestop System Datasheet
ROCKWOOL® Linear and Trapezoidal Firestop system is a linear firestop solution for use within compartment junctions.

Linear and Trapezoidal Firestop System Installation Guide
Installation guideline for ROCKWOOL Products in the Linear and Trapezoidal Firestop Systems

SUIS ROCKWOOL UK
Safe use instruction sheet ROCKWOOL stone wool insulation products

Republic of Ireland Price List
Price List March 2025

UK Price List
Price List March 2025
Product variants
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