Rockwool Flexi 1200 x 600mm
Acoustic Insulation (Sold in Packs)
from
ex. Vat -
inc. Vat
This product is stocked.
Need Help Pricing?
ROCKWOOL Flexi® Insulation – Superior Acoustic & Thermal Performance
The ROCKWOOL Flexi® insulation slab is a high-performance solution designed for thermal, acoustic, and fire insulation across a variety of applications. Featuring a unique flexible edge, this insulation ensures a perfect fit between timber and metal studwork, preventing gaps and getting great insulation efficiency.
Made from stone wool, it provides excellent sound absorption, superior fire resistance, and outstanding thermal insulation, making it ideal for partitions, floors, pitched roofs, and separating walls. Whether you’re working on a domestic, commercial, or industrial project, this insulation offers long-lasting performance and simple installation.
What is ROCKWOOL Flexi®?
ROCKWOOL Flexi® is a multi-purpose insulation slab designed to offer enhanced acoustic and thermal performance while providing superior fire protection.
This insulation is widely used in:
- Timber and metal stud partitions – For excellent soundproofing and thermal retention.
- Separating floors and walls – Reducing airborne noise transmission between spaces.
- Pitched roof insulation – Providing excellent thermal and fire resistance.
- Ceilings and suspended floors – Controlling noise while improving energy efficiency.
- Commercial and industrial projects – Delivering reliable fire-resistant and acoustic properties.
Why Choose ROCKWOOL Flexi® Insulation?
- Unique Flexible Edge – Ensures a snug fit, even with changes of temperature.
- Superior Soundproofing – Effectively absorbs noise and reduces reverberation.
- Outstanding Fire Resistance – Achieves Euroclass A1 non-combustible rating.
- Thermal Efficiency – Reduces heat loss, enhancing energy performance.
- Moisture Resistant – Prevents condensation and damp-related issues.
- Easy to Install – Lightweight and designed for quick fitting between studs and joists.
Applications of ROCKWOOL Flexi® Insulation
1. Stud Wall Insulation
Designed for timber and metal stud partitions, the ROCKWOOL Flexi® slab creates a high-performance thermal and acoustic barrier, improving comfort in living and working spaces.
2. Floor & Ceiling Insulation
Used between floors and ceilings, it reduces impact and airborne noise while improving thermal efficiency, making it ideal for multi-storey buildings and commercial spaces.
3. Pitched Roof Insulation
Providing thermal and fire insulation, ROCKWOOL Flexi® helps maintain indoor temperatures and enhances fire safety in lofts and roof spaces.
4. Acoustic Insulation for Separating Walls
Highly effective at minimising noise transmission, ROCKWOOL Flexi® is an incredibly useful and cost effective solution for apartments, offices, and hotels, where soundproofing is essential.
5. Industrial & Commercial Use
With its non-combustible stone wool core, it meets stringent fire safety and acoustic performance standards, making it an ideal choice for factories, warehouses, and public buildings.
Easy Installation & Handling
The ROCKWOOL Flexi® insulation slab is designed for quick and easy installation, making it an excellent choice for contractors, builders, and DIY users.
Simply cut the slab with a standard insulation saw or knife, and friction-fit it between joists or studs—no fixings required!
Why Choose ROCKWOOL?
ROCKWOOL is a global leader in stone wool insulation, delivering superior fire safety, energy efficiency, and soundproofing solutions. By choosing ROCKWOOL Flexi® insulation, you benefit from:
✔ Market-leading thermal and acoustic insulation for walls, floors, and roofs.
✔ A long-lasting, non-combustible solution that enhances building safety.
✔ A trusted, sustainable product designed to perform for the lifetime of a building.
Technical Specifications
- Material Composition: Made from natural stone wool, ensuring durability and high performance.
- Fire Rating: Achieves Euroclass A1 non-combustible classification (EN 13501-1).
- Acoustic Performance: Absorbs sound effectively, improving soundproofing in buildings.
- Thermal Conductivity:
- 0.038 W/mK (for 50mm to 120mm thicknesses).
- 0.035 W/mK (for 140mm thickness and above).
- Water Resistance: Non-hygroscopic and water repellent, preventing moisture build-up.
- Slab Dimensions:
- Standard size: 1200mm x 600mm
- Thickness options: 50mm to 200mm
- Weight: Lightweight for easy handling and installation.
- Installation Method: Designed for a friction fit between studs, joists, and rafters.
At The Acoustics Store, we understand that circumstances may arise necessitating a product return or cancellation. Here’s a summary of our return and cancellations policy:
Customised or made-to-order items
Unfortunately, returns for customised or made-to-order items are not accepted unless they are reported as damaged upon delivery. For this, please refer to the Damages section.
To check if a product is customised or made-to-order, please check the product page.
Stock items
If you wish to return a stock item, please be aware that return shipping costs are your responsibility.
Prior to returning the product, kindly contact us for necessary instructions.
For further details, please consult our full terms and conditions or talk to a member of our team.
To check if a product is a stocked item, please check the product page.
Sample items
Please note that sample items are non-returnable.
Damages or faults
We work hard to ensure your products arrive in perfect condition, but transit-related damage can sometimes occur beyond our control.
To resolve any issues quickly, please inspect packages upon arrival. Note any packaging damage when signing for the delivery.
Inspect products for damage or defects promptly and inform us within 24 hours by email or phone in the unlikely event of any damage or defects.
To initiate a return, you can contact us with photos of the product and packaging.
We will aim to collect and replace the damaged items within the appropriate lead time indicated on the product page.
Cancellations
You can cancel your order within 24 hours of order placement. Simply contact us, and we’ll promptly process your cancellation and issue a refund if necessary.
Refunds will be processed within 5 working days.
Changing an order
If you need to change your order after making it, please contact us within 24 hours before your products are manufactured or dispatched.
For more detailed information regarding our comprehensive returns and cancellation visit terms and conditions or contact our friendly team, who will be eager to assist you.
Thank you for choosing The Acoustics Store as your preferred partner for your acoustic project needs. We appreciate your business and look forward to providing you with an exceptional customer experience.