Floating Floor Insulation

Floating floor insulation boards provide a barrier to noise and cold temperatures coming from both outside and inside a building.

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Installing insulation under floorboards helps to improve thermal and acoustic performance of ground, intermediate, separating and floating floors.

Learn how our high density, stone wool insulation boards lower the carbon footprint of buildings, improve the acoustic performance of their floors – and make them more energy efficient too.

Find inspiration, guides and reports

Why do we need floating floor insulation?

High-rise developments often use floating floors to block unwanted noise from travelling through the floor and reaching occupants below.

Floating floor insulation boards disconnect the surface that is being walked on, from the load bearing floor. This helps to block excess sound travelling through and helps tenants enjoy better sleep, and improved quality of life – thanks to the reduced noise¹.

Insulation boards can also be placed underneath ground floor spaces, helping to lessen draughts and block heat which may escape the property – reducing heat loss.

Premium floor insulation boards:

Reduce noise between floors²
Prevent excess energy consumption³
Lower heat loss through floor spaces

ROCKWOOL stone wool won’t deteriorate over time. Maintaining its shape and performance throughout the lifespan of a building, it provides insulation for life⁴.

Relevant resources

Calculator and savings

To work out how much insulation you’ll need, determine the m² surface of the entire floor space. Then, for the required thickness, you can find acoustic reports and required performance levels on our relevant product webpages.

Acoustic reports and calculator tools may be available with data that is relevant to your local market. These can help you find the optimal solution for your building or renovation project.

If you need to find out the thermal performance of your construction or renovation, please use one of our U-Value calculators. To reduce energy bills, the insulation of ground floors is often extremely valuable. Adding a thermal insulation layer, in combination with acoustic floor products, can help achieve lower energy bills.

Learn about energy efficiency

Why choose ROCKWOOL solutions?

ROCKWOOL floor insulation boards harness the power of earth’s abundant resource – stone – to create floating floor solutions that provide:

Acoustic performance – high-density ROCKWOOL products help to block urban noise and sound from other tenants, thanks to high dynamic stiffness⁵.
Fire safe – non-combustible stone wool meets the highest requirements and is Euroclass A1 classified, for fire resistance in buildings⁶.
Temperature regulation – steady temperatures are maintained by trapping air in stone wool fibres, vital when buildings heat and cool according to weather⁷.
Stability – with high resistance to compression and coping with floor load requirements, ROCKWOOL insulation remains at peak performance through the lifetime of a building⁸.
A sustainable solution – when a building reaches the end of its lifespan, the stone wool products can be recycled and reused for the same purpose again⁹.

Find ROCKWOOL products

With several dedicated ROCKWOOL insulation products for floating floors, we can meet the specific needs and requirements of many building applications.

Roger Peeters

ROCKWOOL Group Product Manager

Case studies

The project

University Hospital Olomouc’s new intensive care centre became the first healthcare unit in the Czech Republic to be named a zero-energy consumption development.

The Pavilion II Clinic, a five-storey building, was built in 2018.

The solution

The chief architect chose ROCKWOOL solutions for pipes, walls and flooring. They cited the thermal performance of stone wool in the insulation as a way to hit their zero-energy level target.

ROCKWOOL floor insulation boards were part of the package. Resistant to the growth of mould, rot and harmful bacteria, these boards were a natural choice for a hospital setting where hygiene is crucial.

The results

Lower energy bills per month
Comfortable environment for patients and staff
Regulated temperature inside during summer

Find more case studies

Other floor applications

Insulation

Suspended Ground Floor Insulation

Suspended floor insulation helps prevent heat loss in older dwellings, using sustainable materials to insulate above the crawlspace.

Insulation

Ground to Floor Insulation

ROCKWOOL concrete floor insulation is there to make your building as energy efficient as possible.

Insulation

Intermediate Floor Insulation

ROCKWOOL intermediate floor insulation improves the acoustic, thermal and fire performance of wooden and concrete separating floors.

Installation

ROCKWOOL floor insulation boards are simple to apply to any ground, separating or intermediate floor.

When installing insulation floorboards, it’s best to consult our product web pages, which provide instructional guides on how to lay them correctly.

Key tips:

Purchase the correct product for the right performance requirements, as ROCKWOOL solutions are specific to different types of application.
Avoid gaps between products when installing, as this will help assure perfect insulation performance.
Use our special edge solution to avoid floor-to-wall contact sound transmission between those spaces.

Inspiration and guides for professionals

When installing acoustic floorboards, ROCKWOOL insulation can be combined with existing floor heating systems, adding to tenant comfort levels.

Roger Peeters

Global Product Manager, ROCKWOOL Group

Get 16 Renovation Cases

This case study bundle includes:

29 pages of our best 2018-19 projects
Acoustic renovation in both public buildings and private
Bringing new life into old buildings with facade panels
Improving fire safety and wellbeing in high-rises and historical buildings
Reducing noise and flooding with innovative stone wool solutions

Sustainability and energy efficiency

When we develop insulation solutions, the environment is at the forefront of our minds.

Our production process uses as little water as possible, resulting in zero water waste discharge for the environment¹⁰.

We use both raw and recycled materials too, ensuring 70 percent of the total volume of products we sell are recycled¹¹.

crawlspace - crawl space design and construction what it looks like when you have a dirt floor underneath the house

Sustainable ROCKWOOL insulation is:

Robust and durable
Harnesses natural resources
Reduces energy usage

We’re also committed to minimising our carbon footprint. That’s why we have set goals for reducing our water usage, as well as waste that heads to landfill¹².

8 facts about the circularity of stone wool

Downloads and resources

Thought Leadership

Benefits of home improvement

During home renovation, upgrading what’s inside your walls can make the biggest difference of all.

By BroLaws Construction

Renovation

Wellbeing

Insulation - Why is it important?

When building or renovating a house, it is important to think about insulation. That goes for any room in question.

By Vincci Morales

Energy Efficiency

5 Ways to save energy at home

Are you frustrated over the rising cost of your energy bill? Or maybe you just want to do your part for the environment? Read our 5 ways to save energy at home.