Curtain walling serves as a non-structural façade system with a sleek aesthetic for the exterior of mid to high-rise buildings, protecting occupants from the external elements whilst offering them floor-to-floor natural daylight. For long-term fire safety, it is important that these glazed façade systems include compartmentation solutions that not only provide reliable fire resistance but are designed and tested with building movement and façade deflection in mind.

Our comprehensively tested range of passive fire protection products and systems for curtain wall façades are specifically engineered to deliver the fire resistance performance needed for what are typically non-fire rated ‘window framed’ building envelopes.

Siderise CW-FS Firestop and CW-CB Cavity Barrier: Developed specifically for curtain walls

CW-FS Firestop and CW-CB Cavity Barrier restricts the movement of flame by sealing the gap between compartment floors or walls and the external façade. They feature a Lamella insulation core comprising durable vertically oriented stone wool fibres laterally compressed under factory-controlled conditions and held in place with aluminium foil facings. This allows them to accommodate building movement and façade deflection, ensuring a tight seal for the lifetime of the building.

They can also be used with precast concrete cladding and architectural sandwich panel façade systems, facilitating a continuous run of the slab edge compartmentation line running across multiple interface types where façade materials alternate across the elevation, and removing the need to switch between different firestopping products.

Siderise MC Mullion Cover: External mullion sound insulation

MC Mullion Cover provides a means to improving sound insulation of curtain wall mullions that abut room partitions. Fitted on the external face of mullions, it offers a solution where mullion inserts are impractical. The covers are suitable for use on both stick and unitised curtain wall systems, for mullion sizes from 80mm to 250mm. An acoustic and fire rated version is available, to improve the fire resistance of mullions up to 205mm wide.

Siderise NXS Nexus Fusion: Lamella technology

NXS Nexus Fusion Spandrel Panel Infill is a pre-finished Lamella board for use within spandrel assemblies including panelised systems. It comprises durable and resilient vertically oriented stone wool fibres laterally compressed under factory-controlled conditions with facings heat-bonded to the ‘cut’ face of the fibres to hold the pre-compression firmly in place. This offers excellent rigidity with fire, thermal and acoustic benefits in a wide range of thicknesses from 25 to 175mm.

Siderise CW-FB Fireboard: Enhanced passive fire safety

CW-FB Fireboard is specially engineered to facilitate advanced performance of CW-FS Firestop at the slab edge for the required fire resistance period. In addition to shielding the spandrel panel, it protects the mullions and transoms in the spandrel zone of non-fire rated curtain wall framing systems from fire exposure, helping reduce the risk of deflection and deformation of these aluminium profiles in a fire scenario.

Siderise BM/P10 Series Acoustic Barrier Mat: Enhancing sound reduction and dampening performance

The BM/P10 Series Acoustic Barrier Mat combines high surface mass with ‘limp’ mechanical characteristics, making it ideal for improving the sound insulation value of existing panels of stiff materials such as metal, wood, plastic, GRP and more. The product is used in many varied applications and industries including construction, marine, automotive, and OEM. Some applications use the product as a component layer within a bespoke Siderise composite material. The barrier is then optionally combined with sound absorbents, spacing layers, facings and self-adhesive backings.

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