Siderise EW Closed State Cavity Barrier and Firestop
Verified by manufacturer 7 days ago
EW-FS120 fire stop
EW-FS120 fire stop
QA Certificate
Certificate type
IFCC
Certificate type
Siderise EW Systems Cavity Barriers and Fire Stops have been developed to provide a tested method of sealing external wall cavities for fire and smoke in masonry constructions.
Application
Siderise EW Systems have been developed to provide a tested method of sealing external wall cavities for fire and smoke in external masonry constructions.
The EW product range is for use as a Cavity Barrier or Firestop in accordance with the guidance supporting the national Building Regulations.
Friction fit is available (see Tables 2 & 3 of the manufacturer's technical datasheet for applicable voids) to support easy installation with ‘green’ brickwork, which brings considerable advantages to the construction timeline.
Please note that some void ranges are only available with a compression fit and may be unsuitable for green brickwork. Care should be taken when installing under compression to ensure mortar has cured adequately to prevent deformation of the masonry outer leaf.
In addition to providing an effective seal against the passage of smoke and fire, the products are also acoustically absorptive.
These products represent an ideal combination of fully qualified performance and practical installation.
3rd party product approval is provided by IFC Certification (IFCC 1830).
Description
Siderise EW Systems Cavity Barriers and Fire Stops comprise a low resin content stone wool insulation core 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
- Installation: 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)
General information
Color | Silver Manufacturer guidanceStone wool exposed to leading edge. |
Finish | Foil Guidance for specification option: Foil. |
Material | Stonewool Aluminium Guidance for specification option: Foil. |
Shape | Rectangle |
Length | 1200 mm |
Width | Bespoke Manufacturer guidancePlease see manufacturer's product Technical Data Sheet. 20–450 mm for vertical applications and 20–350 mm for horizontal applications. EW-CB30 only; Gap width + 10% to be used for gap widths 20-50 mm to allow for compression. EW-CB30 & EW-FS120; Gap width + 10mm to be used for gap widths 351-450 mm vertically only. |
Height | Manufacturer guidancePlease see Product Thickness |
Uniclass | |
CAWS | F30/18 Cavity closers F30/180 Cavity closers P12/360 Mineral wool rigid batts P12/40 Mineral wool rigid batts |
Product range |
Specification data - Mineral wool fire-stopping
Material | |
Third-party certification | IFC Certification IFCC 1830. |
Type | Semi-rigid. |
Facing | Aluminium foil. |
Fire performance | To EN 1366-4, 120 minutes integrity and insulation. |
Cavity width | 20–450 mm. Guidance for specification option: Vertical. 20–350 mm. Guidance for specification option: Horizontal. |
Configuration | Vertical. Horizontal. |
Thickness | 120 mm. |
Fixing brackets | B65/110. Guidance for specification option: Voids 51–150 mm. B195. Guidance for specification option: Voids 151-250 mm. B355. Guidance for specification option: 251–450 mm vertically and 251–300 mm horizontally. None. Guidance for specification option: Gap widths of 20–50 mm. Manufacturer guidanceConsult manufacturer's literature for specific void widths in application. |
Sustainability data
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Stonewool Aluminium Guidance for specification option: Foil. |
Recyclability | Recyclable |
BIM objects
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
| Platform | Compatible | Version |
|---|---|---|
 IFC | - | 1 |
 Revit | - | 1 |
Third party certifications
Literature
Siderise EW Closed State Cavity Barrier and Firestop Technical Datasheet v4.00 Aug 2024
Case studies
Woodberry Down Block B, London