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ARC
ARC Cavity Stop Sock 150mm
£9.50
/
£7.91 (ex VAT)
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The ARC Cavity Stop Sock 150mm (CSS150) is a passive fire protection cavity barrier designed to restrict the spread of smoke and fire within external masonry wall cavities. This version is specified for external cavities up to 150mm wide and is supplied in 1.2m lengths.
Key Features
For cavities up to 150mm
Designed for external masonry cavities with a maximum width of 150mm.
Rockfibre mineral wool
Manufactured using rockfibre mineral wool with Euroclass A1 fire classification stated in ARC's product information.
Compression fit
ARC specifies a 10mm compression requirement for the listed application.
Horizontal or vertical installation
ARC states that the product can be installed horizontally or vertically at the relevant party wall detail.
Product Specifications
| Manufacturer | ARC Building Solutions |
|---|---|
| Product code | CSS150 |
| Maximum external cavity width | 150mm |
| Dimensions listed | 160 × 120 × 1200mm |
| Length supplied | 1.2m |
| Compression requirement | 10mm, as stated in ARC product information |
| Insulation material | Rockfibre mineral wool |
| Thermal conductivity | 0.037 W/mK |
| Fire integrity | 4 hours masonry fire integrity, as stated in ARC's data sheet* |
| Insulation performance | 15 minutes, as stated in ARC's data sheet* |
| Fire classification | Euroclass A1, as stated in ARC product information |
| Certification | ARC product information references IFC certificates IFCC 1727 and IFCC 1728 |
| Wade selling unit | Sold individually |
*Fire performance applies to the relevant tested construction and installation. Check the latest ARC technical documentation and certificate scope for the project-specific application.
Typical Applications
The ARC Cavity Stop Sock is designed for use within external masonry wall cavities. ARC identifies applications including cavity barriers in line with separating walls or floors and at eaves level, subject to the relevant construction detail and certification.
Installation and Technical Information
ARC describes the Cavity Stop Sock as a compression-fit product installed as brickwork or blockwork progresses. The existing product information states that mechanical fixing is not required for the specified application. Follow the latest manufacturer instructions and the relevant tested construction.
Manufacturer Information
Frequently Asked Questions
What cavity width is the CSS150 designed for?
It is designed for a maximum external cavity width of 150mm. Confirm the actual cavity and required compression fit before ordering.
What fire performance does it have?
ARC's datasheet states 4 hours masonry fire integrity and 15 minutes insulation performance for CSS150. Confirm the relevant certified construction before specification.
Does the Cavity Stop Sock need mechanical fixing?
ARC's existing product information describes a compression-fit installation and states that mechanical fixing is not required for the specified application. Follow the current installation instructions.
Should the polythene sleeve be removed?
ARC states that the sleeve should remain in place for product identification and protection from the elements.
Need Help Selecting a Cavity Stop Sock?
Contact Wade Building Supplies if you need help checking cavity sizing or choosing the right product for your wall construction.
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Customer Reviews
Overall rating: 5.0 / 5 from 1 reviews.
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