Knauf Insulation Rocksilk® RainScreen FireStop Slab - Cavity Barrier
Verified by manufacturer 17 days ago
Cavity barrier made from rock mineral wool, suitable for use as a vertical cavity barrier in buildings with a ventilated cavity, and vertically and horizontally in buildings with masonry façades.
Application
Rocksilk® RainScreen FireStop Slab is used as vertical open state cavity barriers in buildings with ventilated cavities or as a horizontal and vertical cavity barrier in closed state cavities to provide fire resistance between compartments, floor levels and cavity openings such as windows or doors.
It is suitable for use in partially filled masonry cavities where the inner leaf is concrete/masonry/steel or timber frame.
Rocksilk® RainScreen FireStop Slab is recommended for use against a steel, timber, masonry inner or reinforced concrete inner leaf where the construction has a ventilated cavity.
Rocksilk® RainScreen FireStop Slab should be partnered with Rocksilk® RainScreen OSCB which is installed horizontally, and Rocksilk® RainScreen Slabs for a complete rainscreen cavity system for open state cavities.
Rocksilk® RainScreen FireStop Slab should be partnered with Rocksilk® RainScreen Slabs for a complete rainscreen cavity system for closed state cavities.
Description
Rocksilk® RainScreen FireStop Slab is a cavity barrier manufactured from rock mineral wool, suitable for use as a vertical cavity barrier in buildings with a ventilated cavity, and vertically and horizontally in buildings with masonry façades. It is part of a tested system with Rocksilk® RainScreen Slabs that provides fire resistance for up to 180 minutes integrity and 45 minutes insulation (E180 I45).
General information
Finish | Foil Guidance for specification option: Foil faced to ensure correct orientation of barrier. |
Material | Rock mineral wool |
Shape | Rectangle Guidance for specification option: Cavity barrier. |
Length | 1200 mm |
Width | 100 mm 600 mm |
Height | 100 mm 600 mm |
Uniclass | |
CAWS | F30/180 Cavity closers F30/18 Cavity closers P12/40 Mineral wool rigid batts P12/360 Mineral wool rigid batts |
Product range |
Specification data - Mineral wool fire-stopping
Material | |
Third-party certification | Made in Britain. |
Type | Rigid. |
Facing | Metal foil laminate. |
Fire performance | Vertical CP Board Inner Leaf (50–450 mm): E90 I45. |
Recycled content | 35% (mineral wool only). |
Durability | Odourless, rot proof, nonhygroscopic, does not sustain vermin and will not encourage the mgrowth of fungi, mould or bacteria. The product will have a life equivalent to that of the wall structure in which it is incorporated. |
Sustainability data
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 35 % Guidance for specification option: Mineral wool only. |
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 |
|---|---|---|
 Revit | - | 1 |
 IFC | - | 1 |
Literature
Knauf Insulation Rocksilk® Rainscreen FireStop Slab - Installation Guide
Knauf Insulation Rocksilk® RainScreen FireStop Slab - Product Datasheet