Siderise EW Closed State Cavity Barrier and Firestop

Siderise EW Systems Cavity Barriers and Fire Stops  comprise of a low resin content stone wool insulation core which is pre-compressed internally to form a resilient strip. The material is faced on two sides with reinforced aluminium foil which is an effective smoke barrier. Available in the following forms:

Pre-cut Strips

• Pre-cut products are available in 1mm increments of width to suit the cavity size. Please see Table 2 & 3 of the manufacturer's Technical Datasheet regarding 'fit type'.
• Supplied with appropriate brackets as part of a system.

Sheets

• Standard sheet size is 1200 x 1200mm and may be of benefit when the actual void size is not known or where it varies significantly.
• Appropriate brackets must be ordered separately.

Siderise EW Systems Cavity Barriers and Fire Stops should be installed in accordance with PD6697:2019 - 'Recommendations for the design of masonry structures to BS EN 1996-1-1 and BS EN 1996-2'.

• Horizontal - EW must be installed with a suitable cavity tray immediately above.
• Vertical - EW must be installed with a DPC extending a minimum of 25mm into the cavity on either side. DPC to be sourced separately. If requested by Building Control / Warranty provider the DPC can be optionally secured with Siderise RFT 120/45 foil tape.

Features and benefits:

•  Reaction to fire Third-Party Certification with Intertek - classified as A1 to EN 13501-1.
• Qualified performance: Fire resistance options up to 2 hours
• Choice of systems: Comprehensive range compliant with building regulations – friction fit up to 350mm cavities
• Easy to install: A one-piece product that accommodates normal site tolerances
• Practical, simple and thought-out: Integral foil smoke barrier, robust yet resilient 3rd Party-Approved: IFCC 1830 (EW)