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Rockwool RW3 Acoustic Insulation Slabs | 75mm


Availability: Out of stock SKU: RW3AIS75MM

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Rockwool Cavity Insulation Slabs

Rockwool RW3 Acoustic Insulation Slabs | 75mm


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Rockwool RW3 Prorox SL 930 Acoustic Insulation Slabs | 75mm

Acoustic Insulation, as the name suggests, is used to balance the acoustics of a room and is designed to deflect, absorb and dissipate noise to a manageable level. The Rockwool RW3 Prorox SL 930 Acoustic Insulation comes in slab format, making it strong, rigid and resilient. These insulation slabs are perfect to absorb sound in multiple settings, including homes, offices, music studios and attics. Rockwool is known for being the industry leading provider for this type of Insulation specifically for applications such as floor and ceiling voids in conversions.

This product meets all the health and safety requirements for installation, including Euroclass A1 to BS EN 13501-1 Fire Classification.

The Rockwool RW3 Prorox SL 930 Insulation Slabs come in a variety of sizes and thicknesses to fit any requirements:

Size options:

30mm 10.80 m2 per pack
50mm 5.76 m2 per pack
75mm 4.32 m2 per pack
100mm 2.88 m2 per pack

Additional information

Weight 15000 g


The best type of insulation foam board works well to insulate anything from walls, ceilings and floors.

R-30 is recommended for attics, floors, ceilings and unconditioned crawl spaces.

R-13 for the walls and R-19 for the ceilings.

Yes, rockwool insulation insulates against sound, thermal and fire, therefore if you get acoustic insulation, you will still get the benefits of thermal insulation.

The difference between acoustic and thermal insulation is that thermal helps to keep your building warm. It also stops heat transfer whereas acoustic helps stop sound vibrations.

You can install acoustic insulation in the wall cavity, in floors and in roofs.

Using acoustic insulation can effectively absorb sound.

Acoustic insulation is made of mineral wool insulation with non-directional fibre orientation.

Acoustic insulation adds mass to help stop sound vibration through a structure.

Using an acoustic insulator can be effective in absorbing sound vibration when used with other soundproofing methods.