Siderise - Integrity in all we do

Passive Fire Protection for Façade, Cavity and Building Envelope Applications
Advanced Firestop & Cavity Barrier Solutions for Safer Buildings

Siderise is a specialist manufacturer of high-performance passive fire protection solutions for the building envelope, with expertise spanning fire safety, acoustic and thermal solutions. Its product systems are developed for a wide range of façade and building applications, with emphasis on tested performance, technical support and installation guidance. Siderise operates internationally across the UK, Europe, Middle East, India, Asia Pacific and the US. United Chemitech brings Siderise solutions closer to architects, façade contractors, consultants and construction professionals in India.

Key Advantages

High-Performance Fire Protection

Restrict the spread of fire and smoke through concealed cavities and building-envelope interfaces.

Application-Specific Solutions

Designed for curtain walling, rainscreen façades, masonry, brick-slip and other façade constructions.

Tested & Proven Systems

Solutions developed and tested for specific construction applications and performance requirements.

Building Movement Accommodation

Selected systems are designed to accommodate movement and deflection within façade and building interfaces.

Easy & Efficient Installation

Purpose-designed components help simplify installation and maintain system integrity.

Comprehensive Product Range

A wide portfolio covering cavity barriers, firestops, linear gap seals and façade fire protection.

Technical Expertise

Supported by specialist knowledge in passive fire protection and building-envelope applications.

Global Expertise

Established international manufacturer serving construction and façade markets worldwide.

Products We Supply

Effective solutions for critical fire and smoke barriers.

Cavity Barriers & Firestop Solutions

Protecting Critical Building Cavities Against Fire and Smoke Spread

Siderise cavity barriers and firestop systems are engineered to provide passive fire protection within façades, concealed cavities and building interfaces. Designed for a wide range of construction systems, these solutions help restrict the movement of fire and smoke through hidden spaces and maintain compartmentation within the building envelope.

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OSCI – Open State Cassette Insert

OSCI – Open State Cassette Insert

A stone wool fire protection insert designed for cassette cladding systems, helping maintain cavity barrier performance while accommodating ventilation requirements. It is A2-s1,d0 rated and suitable for horizontal and vertical applications.
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EWI – Open State Cavity Barrier and Firestop
EWI – Open State Cavity Barrier and Firestop
Designed for external masonry walls, providing fire protection while maintaining cavity ventilation. Its stone wool Lamella construction accommodates site tolerances and supports reliable installation in 20–400 mm cavities, with tested fire resistance performance for horizontal and vertical applications.
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CT – Cavity Tray

CT – Cavity Tray

CT Cavity Tray is a factory-engineered, pre-formed solution for managing moisture in masonry cavities, directing water toward the external face of the wall. With a non-combustible stone wool core and flexible aluminium facing, it is BBA certified and classified A2-s1,d0 to EN 13501-1.
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TW – Cavity Barrier and Firestop for Tops of Walls
TW – Cavity Barrier and Firestop for Tops of Walls
Designed to seal gaps at the tops of walls, partitions and ceilings, providing reliable fire compartmentation and acoustic protection with up to 120 minutes fire resistance.
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TW-P – Firestop for Profiled Decks

TW-P – Firestop for Profiled Decks

A bespoke stone wool firestop designed to seal gaps between compartment walls and profiled metal decking. It provides A1-rated fire protection, 60–120 minutes fire resistance and acoustic performance, with profiles manufactured to suit specific deck geometries.
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Industrial Cladding Firestop & Cavity Barrier
Industrial Cladding Firestop & Cavity Barrier
Industrial Cladding Firestop is a pre-compressed stone wool firestop designed for industrial cladding systems, providing reliable compartmentation and accommodating façade movement. It offers A1-rated fire performance with 60- or 120-minute fire resistance for horizontal and vertical applications.
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Curtain Wall - Firestop and Cavity Barrier
Curtain Wall - Firestop and Cavity Barrier
A factory-compressed stone wool Lamella core with aluminium foil facings, providing reliable fire compartmentation while accommodating building movement and façade deflection. Suitable for curtain walls, precast concrete cladding, and architectural sandwich panels, they enable continuous slab-edge firestopping across different façade interfaces without changing products.
Facade/Brick Slip Cavity Solutions

Passive Fire Protection for Façade & Brick Slip Systems

Siderise cavity barrier solutions are designed to provide passive fire protection within ventilated façade and brick-slip systems, helping restrict the movement of fire and smoke through concealed cavities. Engineered for integration with modern façade constructions, these systems provide reliable cavity compartmentation while accommodating the requirements of different façade configurations.

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Siderise RV Brick Slip

Siderise RV Brick Slip

A non-combustible stone wool cavity barrier designed to restrict lateral fire spread in mechanically fixed, ventilated brick-slip façade systems. Its flexible lamella core adapts to irregular cavity profiles and rail gaps, providing effective fire compartmentation while accommodating façade movement. Siderise
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Siderise RH Brick Slip
Siderise RH Brick Slip
A passive fire protection solution designed for ventilated brick-slip façades. Its non-combustible stone wool core and integrated intumescent strip maintain ventilation and drainage during normal conditions while expanding under fire exposure to seal the cavity and restrict fire spread.
Specialised Facade & Joint Protection

Engineered Protection for Critical Façade Interfaces

Siderise provides specialised passive fire protection solutions for façade interfaces, joints and building-envelope connections, helping maintain fire and smoke compartmentation across critical areas.  Designed to integrate with different façade and construction systems, these solutions help protect vulnerable gaps and interfaces while accommodating movement and installation requirements.

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LGS - Foiled Linear Gap Seal

LGS - Foiled Linear Gap Seal

An intumescent based solution designed to seal junctions between building elements to resist the spread of fire and smoke, providing up to 120 minutes of integrity (E120).
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MC - Mullion Cover
MC - Mullion Cover
Designed for external masonry walls, providing fire protection while maintaining cavity ventilation. Its stone wool Lamella construction accommodates site tolerances and supports reliable installation in 20–400 mm cavities, with tested fire resistance performance for horizontal and vertical applications.
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