Rockwool RWA45

Insulation slabs, such as Rockwool RWA45, help ensure your building achieves effective thermal protection. As a widely trusted mineral wool insulation product in the UK, RWA45 is a popular choice across the construction sector.

What is RWA45 insulation?

RWA45 offers more than just thermal insulation. It is also a highly effective acoustic insulator, blocking unwanted noise in spaces where it is used. It provides the density and rigidity required to create secure installations in buildings. This mineral wool insulation slab is made from basalt rock and boasts exceptional fire resistance.

What is RWA45 insulation used for?

RWA45 is a multipurpose product used to:

• Reduce sound transfer between rooms and floors
• Ensure effective heat retention within buildings.
• Create energy-efficient spaces.
• Improve comfort in rooms.

It is also used as part of fire protection systems to enhance building safety because of its non-combustible nature.

Specific places where you can install Rockwool RWA45 include:

• Internal partitions and wall systems.
• Ground, intermediate and separating floors.
• Ceilings.
• Roof and loft spaces.

It is equally effective in commercial and industrial environments that require high acoustic performance, such as schools, hospitals, offices and studios.

Types of RWA45 insulation slabs

All Rockwool RWA45 slabs are composed of similar material. They only differ in thickness. Thickness options for RWA45 range from 25 mm to 100 mm.

• Thinner RWA45 slabs are best suited for stud walls and partitions.
• Medium RWA45 slabs work well for ceiling and floor insulation.
• Thicker RWA45 slabs are typically used for separating walls, suspended ceilings, and industrial partitions where high noise absorption is required.

Benefits of Rockwool RWA45 slabs

Rockwool RWA45 offers numerous key advantages that make it one of the UK’s most popular insulation choices:

• Effectively absorbs sound, reducing airborne noise between floors and rooms.
• Maintains stable indoor temperature, improving comfort and energy efficiency.
• It can contribute to reduced heating costs.
• Resistant to moisture, rot and mould growth.
• Non-combustible and won’t spread flames.
• Durable and can maintain its insulation performance over the lifetime of the building.
• It is lightweight and easy to install.

Why choose our Rockwool 45 slabs?

Insulation Wholesale stocks genuine Rockwool RWA45 insulation slabs in varied thicknesses. Whatever your project demands, we have a suitable RWA45 thickness for it.

We store all slabs carefully to protect them from dust and moisture damage, so they reach you in excellent condition.

Get expert guidance from our team and identify the RWA45 slabs that match your U-value or acoustic performance targets.

Our fast nationwide delivery and competitive pricing make it easy to source quality Rockwool insulation for any build.

Upgrade your next project with Rockwool RWA45 – insulation that delivers consistent thermal, fire, and acoustic performance.