K-Roc Rainscreen Slab

Kingspan Architectural Facades Systems K-Roc Image


K-Roc Rainscreen Slab is a soft and rigid stone mineral wool slab containing a water repellent additive, designed for use in buildings with a storey 18m or more above ground level.
  • Thermal conductivity of 0.034 W/m·K

  • Fire Performance Euroclass A1 Reaction to Fire rating

Fav Faved

Product Information

Product Dimensions
Product Weight & Thermal Performance
Recommended Fixing Pattern
Fire Compliance & Environmental Ratings


1,200mm x 600mm slab size

Available thicknesses: 80mm, 100mm, 120mm and 150mm.

Thickness & Thermal Performance

Insulant Thickness
Thermal Resistance
80 2.35  
100 2.90  
120 3.50  
150 4.40  

The thermal performance of this rock mineral fibre product is declared in accordance with EN 13162: 2012, as required by the EU Construction Product Regulations.
EN13162: 2012 does not provide for any assessment of the degradation of thermal performance over time. As such, Kingspan Facades cannot guarantee that the declared thermal performance of this product will be valid for the lifetime of the product’s use.
Kingspan Architectural Facades Systems KSF K-Roc Rainscreen Slab Image

The image below shows the recommended fixing pattern with

3 fixings per m2.

  • BES 6001; Issue 3.1
  • ISO 9001
  • ISO 14001


K-Roc Rainscreen Slab is a soft, rigid stone mineral wool insulation with the following properties:
  • Reaction to Fire, Euro Class: A1; 
  • Thermal Conductivity: 0.034 W/m.K / 10 degrees and relative humidity, refer to EN Standard BS EN 13162: 2012+A1: 2015
  • Density: 45kg/m3 ;
  • Water Absorption (Short Term): WS, (Wp): <=1kg/m2 ;
  • Water Absorption (Long Term): WL(P)(Wlp): <=3kg/m2 ; 
  • Water Vapour Transmission: 1Mu, μ.
Fire Performance Euroclass A1 Reaction to Fire rating

Environmental Performance The raw materials used in the manufacture of K-Roc Rainscreen Slab have a high content of recycled materials and this helps to minimise the environmental impact of construction, reducing carbon emissions by diverting materials from landfill and limiting the depletion of finite natural resources. At end of life, K-Roc Rainscreen Slab offer a ‘Cradle to Cradle’ approach to recycling where materials are recycled in a closed loop - used, recycled and reused again without losing any material quality.

KSF K-Roc Declaration of Performance

Download to read more about the performance of K-Roc

Explore our comprehensive fire section

Recent high-profile fires have reinforced the importance of choosing the right cladding system for your building.

Alternative Rainscreen Options

Kingspan Architectural Facades Systems Dri Design Standard Facade Image

Dri-Design rainscreen facade cassettes install twice as fast as comparable systems with option for a ventilated cavity. Get your free sample from Kingspan Facades


Kingspan Architectural Facades Systems Hook-On Cassette Image

Hook-on-cassette rainscreen facade solutions can be installed in landscape or portrait orientation in varying materials and finishes. Explore the full Kingspan Facades range and get your free sample.

Hook-On Cassette Facade

Kingspan Architectural Facades Systems Shingle Rainscreen Facades Image

Shingle rainscreen and facade solutions, available in various sizes and any polygon shapes, providing a distinctive look. Get your free sample from Kingspan Facades.

Shingle Rainscreen Facades

Kingspan Architectural Facades Systems Interlocking Plank Project - EASTWOOD SCHOOL GLASGOW UK Image

Interlocking plank rainscreen facades provide a high-quality panelised solution, in many materials and finishes. Get your free sample from Kingspan Facades.

Interlocking Plank

Kingspan Architectural Facades Systems Recess Fixed Project - SAFE STORAGE COMPANY UK Image

Recess fixed cassette facade provide cutting aesthetics and high performance solutions to any project. Get your free sample from Kingspan Facades.

Recess Fix Facade

Kingspan Architectural Facades Systems BML100.1 Hook-on Project - MORRISONS BOOTH UK Image

BML100 is a hook-on, open joint rainscreen system with variable joint widths which is best suited for portrait panels as part of a vertical wall cladding system. BML60 is available with a hook-and-pin or a hidden plate variation of hook-on.

BML100.1 Hook-on

Kingspan Architectural Facades Systems BML400 fixed Project - UWIC Western Ave Image

BML400 is a face-fixed rainscreen system which is suitable for all panel formats as part of a vertical wall cladding system. It can also be used for soffits and column casings, where a face-fixed panel is preferred.

BML400 Rainscreen System

Kingspan Architectural Facades Systems Ceramic Granite Image

Ceramic granite rainscreen facades provide an attractive and hardwearing facade solution, in a wide choice of styles and colours. Explore the full Kingspan Facades range.

Ceramic Granite Rainscreen Facade

Kingspan Architectural Facades Systems BENCHMARK Ideas Book Image


Download the Ideas Book for inspiration

Find us on social media

Kingspan Facades : Greenfield Business Park No.2 : Holywell : Flintshire : CH8 7GJ : UK 
Tel:  +44 (0) 1352 716100 email: info@kingspanfacades.co.uk