Floor Insulation

ROCKWOOL floor insulation can be installed by a professional industry tradesperson, to prevent heat and noise transfer and to improve fire protection.

If installing yourself, you should carefully follow the product installation guidelines, which are available on our product web pages.

Some key tips:

• Identify the type of floor you’re insulating, as this will affect which product you’ll need.
• Determine the acoustic and thermal performance levels you want to achieve; this will also help you choose the correct product.
• Locate exactly where you want to place the insulation and prepare the area for installation by making sufficient room around you.
• Accurately measure the width and thickness in-between joists.
• If placing underneath a suspended timber ground floor, ensure joists parallel to the wall are a minimum of 35mm away, to allow a gap for insulation to be installed. ¹⁶

Sustainability and energy efficiency

At ROCKWOOL, our business focuses on creating products that have a positive impact. 

All our insulation is made from volcanic rock that is abundant in the earth’s crust and our manufacturing processes are driven by ambitious goals that ensure we have a more positive effect on our planet.

We include circular economy practices in our production processes, taking other businesses’ waste as a substitute for virgin raw material and re-using our own waste too. We take stone, the most abundant natural resource on Earth, and upcycled secondary materials that would otherwise end up as waste and turn them into long lasting stone wool insulation products. These products are themselves recyclable and can be recycled again and again without any deterioration in quality. 

The acoustic properties of ROCKWOOL floor insulation drastically decrease noise within a building, creating quieter spaces that improve our health and well-being. What’s more, all ROCKWOOL critical fire safety products are made from stone wool, which is non-combustible and does not rely on flame retardants that can produce toxic emissions.

Environmental Product Declarations (EPDs) available for all of the stone wool insulation products manufactured in the UK. To request an EPD for floor insulation, please contact technical.solutions@rockwool.com.

_{[1] Istituto Giordano, Reporto di Prova. Test Report 023-2012-ICS}

_{[2] https://housingevidence.ac.uk/high-rise-residential-development-an-international-evidence-review/}

_{[3] https://www.rockwool.com/uk/products-and-applications/floor-insulation/ground-to-floor-insulation/}

_{[4] https://www.rockwool.com/uk/products-and-applications/floor-insulation/ground-to-floor-insulation/}

_{[5] https://www.rockwool.com/uk/products-and-applications/floor-insulation/intermediate-floor-insulation/}

_{[6] Durability Project Mineral Wool (2016), p. 29, Chapter 7 “Conclusions and Outlook}

_{[7] https://energysavingtrust.org.uk/home-insulation/floor}

_{[8] https://www.rockwool.co.uk/why-stone-wool/}

_{[9] https://www.rockwool.com/uk/products-and-applications/product-overview/floor-solutions/flexi-en-gb/?selectedCat=downloads} 

_{[10] https://www.rockwool.co.uk/why-stone-wool/thermal-properties/}

_{[11] https://www.rockwool.co.uk/why-stone-wool/acoustic-capabilities/}

_{[12] Department for Environmental Food and Rural Affairs, “Noise Policy Statement for England” (2010), p. 7}

_{[13] https://www.rockwool.com/uk/products-and-applications/product-overview/floor-solutions/flexi-en-gb/?selectedCat=downloads} 

_{[14] FIW, Durability Project Mineral Wool (2016), p. 29, Chapter 7 “Conclusions and Outlook}

_{[15] ROCKWOOL Group, Sustainability Report 2018, pp. 18, 41}

_{[16] ROCKWOOL Product Application Guide (Replaced by the ROCKWOOL Red Book)}

_{[17] https://www.ofgem.gov.uk/environmental-programmes/eco}

_{[18] FIW, Durability Project Mineral Wool (2016), p. 29, Chapter 7 “Conclusions and Outlook}

_{[19] FIW, Durability Project Mineral Wool (2016)}

_{[20] ROCKWOOL Product Application Guide (Replaced by the ROCKWOOL Red Book)}

_{[21] Taken from ROCKWOOL Chatbot, cell F100}

_{[22] DTU Civil Engineering Prof. Carsten Rode, “Influence of moisture on performance of mineral wool insulation}

_{[23] Taken from ROCKWOOL Chatbot, cell B101}