Rockwool RWA45 Acoustic Insulation Slabs | 75mm (4.32m2 per Pack)
Pros
- Rigid stone wool slabs hold their shape well in stud walls and floor voids
- Strong acoustic performance for party walls and internal partitions
- Non-combustible with a good fire-resistance rating for building regs compliance
Cons
- Denser and itchier to handle than lightweight glass mineral wool rolls
Specifications
- Material
- Stone Wool
- Price tier
- Mid-range
- Size
- 75mm
How it compares in Loft & Wall Insulation
We list 20 loft & wall insulation products, priced from £15.98 to £563.00. At £59.97 this one is the 13th cheapest of them — 7 cost more. The average across the subcategory is £104.37 and the midpoint is £50.49, so it lands £44.40 below the average.
Its 4.4-star score sits 0.08 above the loft & wall insulation average of 4.32, with 8 of the 20 rated higher. Its 29 Amazon reviews make it the 10th most-reviewed here, against a subcategory average of 401.
Price position in Loft & Wall Insulation
Splitting the subcategory into three price bands puts this product in the Mid-range band (£45.59–£64.99), which holds 7 of 20 products and averages £53.22 at 4.46 stars.
| Band | Range | Products | Average price | Average rating |
|---|---|---|---|---|
| Budget | £14.38–£44.99 | 7 | £30.09 | 4.34 |
| Mid-rangeThis one | £45.59–£64.99 | 7 | £53.22 | 4.46 |
| Premium | £84.99–£563.00 | 6 | £247.99 | 4.13 |
About this product
Transform your building projects with Rockwool RWA45 Acoustic Insulation Slabs – a robust solution for achieving superior soundproofing while maintaining structural integrity. These rigid stone wool slabs are ideal for installers working on stud walls and floor voids where dimensional stability is key. Their inherent strength ensures they hold their shape effectively, providing lasting acoustic performance within any construction project.
Designed to deliver exceptional noise reduction, these RWA45 slabs excel in applications such as party wall insulation and internal partitions, significantly reducing unwanted sound transmission. The stone wool material itself boasts a high fire-resistance rating, contributing to building regulations compliance and enhancing the safety of your build. While denser than lightweight glass mineral wool rolls – meaning they can be slightly more challenging to handle – their performance benefits are considerable.
These slabs offer a versatile solution for both experienced tradespeople and DIY enthusiasts seeking reliable acoustic control. The 75mm thickness provides substantial sound absorption, making them suitable for a wide range of interior spaces. Remember to consult the manufacturer’s guidelines regarding installation techniques for optimal results. These Rockwool RWA45 Acoustic Insulation Slabs represent a solid investment in comfort and noise reduction, ensuring a quieter and more productive environment within your building project. They are a mid-range product suited to projects requiring robust acoustic performance.
Related attributes
FAQ
What is Rockwool RWA45 acoustic insulation best suited for?
These stone wool slabs are ideal for use in stud walls and floor voids, offering strong acoustic performance. They're particularly well-suited for party walls and internal partitions where noise reduction is a priority.
What materials are these Rockwool RWA45 insulation slabs made from?
The slabs are constructed from rigid stone wool, a non-combustible material that provides good fire resistance. This makes them suitable for meeting building regulations and ensuring structural safety.
How do the dimensions of these 75mm slabs affect their suitability for different applications?
The 75mm thickness offers a robust level of insulation and acoustic performance, making it appropriate for various wall and floor void applications. Consider this when planning your project to ensure optimal results.
Are Rockwool RWA45 slabs easy to cut and fit?
Due to their density, these stone wool slabs can be more challenging to handle than lighter alternatives like glass mineral wool rolls. Careful cutting with appropriate tools is recommended for a neat fit.
How does the price of Rockwool RWA45 compare to other acoustic insulation products?
These slabs fall into a mid-range price tier, offering a balance between performance and cost compared to some lower-priced options. They represent good value for their strength and acoustic qualities.
What is the fire resistance rating of Rockwool RWA45?
The stone wool material provides a good fire-resistance rating, contributing to building safety and compliance with relevant regulations. This non-combustible property adds an important layer of protection.
How should I maintain and clean Rockwool RWA45 insulation slabs?
Regular cleaning with a soft brush or vacuum cleaner will help remove any dust or debris accumulated within the slabs. Avoid using harsh chemicals or abrasive cleaners.
Are there any specific safety precautions I should be aware of when working with these slabs?
Wear appropriate personal protective equipment, including gloves and eye protection, during installation to minimize contact with the denser material. Handle with care to avoid injury.
What are the advantages of using rigid stone wool compared to other types of insulation?
The slabs hold their shape well, providing consistent support and preventing sagging, which is a benefit over some lighter alternatives. This structural stability contributes to performance.
Can Rockwool RWA45 be used in external wall applications?
While suitable for internal partitions and walls, these stone wool slabs are primarily designed for interior use due to their density and weather resistance characteristics. Consult with a professional for external applications.
£59.97
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