Acoustics Resource Hub

ROCKWOOL insulation is used by specialists in many demanding acoustic applications. ROCKWOOL stone wool insulation works in two distinct ways to reduce noise, either by impeding the transmission of sound through an element of the structure or by absorption of sound at the surface.

The dB rating (acoustic performance) of any ROCKWOOL product is determined by the total construction. The acoustic performance of a construction will be dependent upon the sound path, the mass and absorbative qualities of the products used within the construction. ROCKWOOL products have been tested in a number of standard constructions - to find out more, speak to our technical solutions team 

Email: technical.solutions@rockwool.co.uk

Telephone: 01656 868 490 

We have a range of tested solutions for walls, floors and flanking sound transmission to meet or exceed the current acoustic requirements for Approved Document Part E.

Discover more about our popular product Sound Insulation Slab

Yes, ROCKWOOL insulation has natural inherent properties for thermal, fire and sound which is present in all products. Therefore, if you are using a sound insulation slab, you will automatically get a thermal and fire benefit.  The only exception is for masonry cavity walls which must use the specific performance tested product which is ROCKWOOL cavity for full fill applications.

We would suggest lining the walls with a tissue faced slab such as RW3 or RW4. The insulation product would then need to be protected from damage. Typically, this would be achieved by installing a perforated sheet. 

That depends on what kind of wall or partition needs insulating acoustically. Acoustic improvement can be complicated, but there are several ROCKWOOL products and systems which can help reduce interference sounds though structures.  Impact, reflective and penetrating sounds transmit in different ways and behave differently in varying frequency ranges. The principle on which ROCKWOOL acts successfully as an acoustic insulant is by diffusing and absorbing the sound waves. 

For walls and partitions ROCKWOOL semi-rigid slabs (RW Slab range), FLEXI or Sound Slabs will provide effective reductions in decibel levels (dB) These can be fixed against walls, or in timber frames separated from the main structures to avoid the possibility of sound bridging. 

Acoustic improvement can be complicated, but there are several ROCKWOOL products and systems which can help reduce interference sounds though structures. Impact, reflective and penetrating sounds transmit in different ways and behave differently in varying frequency ranges. The principle on which ROCKWOOL acts successfully as an acoustic insulant is by diffusing and absorbing the sound waves. For floors, Acoustic ROCKFLOOR® is an insulation board for acoustic performance in a variety of buildings. 

Yes, there are several products which can help. ROCKWOOL's proven combination of high acoustic porosity, acoustic frictional resistance and light weight makes it ideal for use in a wide range of demanding situations. Products to look for include Techwrap2 and Techtube, Ductwrap and Ductslab and pre-formed pipe sections such as  RockLap H&V pipe sections.

The products vary in density, thermal performance, approved thickness and physical characteristics. FLEXI® as an example, is purposefully
manufactured with flexible edge technology to ensure a good fit within framed applications.

Yes, ROCKWOOL products all provide a thermal and acoustic performance.