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Page updated 15/08/2025

K-Roc insulation

K-Roc is a European Classification (Euroclass) A1 rock mineral fibre insulation for use:

  • behind rainscreen façades
  • within steel frame systems
  • on structural ceilings (soffits)
  • on flat roofs waterproofed with mechanically fixed single-ply waterproofing.

Mineral fibre is particularly suited to areas that require a Euroclass A1 reaction to fire, for example relevant buildings or

K-Roc

K-Roc

Rock mineral fibre insulation

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buildings with a close boundary wall
. 

 

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K-Roc Rainscreen Slab installation

How to install K-Roc Rainscreen Slab

Find out how to install K-Roc Rainscreen Slab, including preparation and best practice.

Knowledge Article4 min read
Greater Manchester Major Trauma Hospital Front Case Study 4:3

Greater Manchester Major Trauma Hospital

See how K-Roc Rainscreen Slab provided a Euroclass A1 insulation solution for Salford Royal Hospital

Case Study4 min read
Greater Manchester Major Trauma Hospital facade case study 4:3

What is a “Relevant Building”?

What do the Building Regulations in England, Wales and Scotland define a "Relevant Building' as?

Knowledge Article5 min read
Kingspan Baytree Image 1

Baytree Specialist School

School expansion provides much needed specialist care facilities

Case Study5 min read
Primary Energy Primary Energy Factors Article 4:3

What is the Euroclass System?

This article looks at what the Euroclass system is and the importance of using it correctly

Knowledge Article5 min read
Rock mineral fibre for use behind rainscreen façades

K-Roc Rainscreen Slab

Rock mineral fibre for use behind rainscreen façades
Rock mineral fibre for use within steel frame systems
Rock mineral fibre for flat roofs
Rock mineral fibre soffit insulation

K-Roc Framing Slab

Rock mineral fibre for use within steel frame systems

K-Roc Flat Roof Slab 70/039

Rock mineral fibre for flat roofs

K-Roc Soffit Slab

Rock mineral fibre soffit insulation