Rockwool
Rockwool Flexi-Slab - All Sizes
Rockwool Flexi-Slab - All Sizes
SKU:RWFL50.4
Add £300£360 worth of Rockwool to your order to unlock FREE delivery.
How much will I need?
We recommend adding 10% of additional product to the calculation to account for errors, damages, and obstacles in your project
Couldn't load pickup availability
- Shipping protection for peace of mind
- Fast processing and delivery
- Flexible delivery options
Product Information
The following sizes are sold by the pallet 50 x 400mm, 60mm, 70mm, 90mm, 100 x 400mm and 140 x 400mm
The following sizes are sold in packs 50mm x 600mm, 100mm x 600mm and 140mm x 600mm
| Thickness | Width | Slabs Per Pack | Pack Coverage | Number Of Packs Per Pallet |
|---|---|---|---|---|
| 50mm | 400mm | 12 | 5.76m2 | 24 |
| 50mm | 600mm | 12 | 8.64m2 | 16 |
| 60mm | 600mm | 12 | 8.64m2 | 12 |
| 70mm | 600mm | 8 | 5.76m2 | 16 |
| 90mm | 600mm | 6 | 4.32m2 | 20 |
| 100mm | 400mm | 6 | 2.88m2 | 30 |
| 100mm | 600mm | 6 | 4.32m2 | 20 |
| 140mm | 400mm | 4 | 1.92m2 | 24 |
| 140mm | 600mm | 4 | 2.88m2 | 16 |
The Rockwool Flexi-slab is a distinctive insulation product along with a patented flexible corner on single side. This unique corner is created through patented technology to assure an ideal fit is maintained between the main product and the framework supporting it. This further allows the integrity of the insulation.
This is especially manufactured for a horde of applications where ideal fitting insulation is required in roofs, walls, floors and partitions. The product can be firmly fitted between the metal frames and the timber without cutting or any sort of waste.
The Rockwool Flexi-slab is a high value slab ideal for multipurpose applications. It features a flexible edge that allows it to put between joists knowing all gaps are well-sealed. This is available in varied sizes.
Benefits
- Exemplary acoustic, fire and thermal properties
- Easy to handle and installation with no gaps
- Patented Flexible corner provides correct fit to the widths
- Will not slouch in case studs shrink
- Multi-application fits all timber frame and typical metal spacing
- No waste
All in all, this is an ideal insulation product with a variety of features and applications.
Technical Specifications
| Coverage | 0.72m2 |
| Length | 1200mm |
| Material type | Rockfibre |
| Thermal conductivity | 0.038 W/mK |
Datasheets
Delivery Information
Delivery will always take place on a weekday (Mon - Fri excl. public holidays).
An exact delivery charge will be calculated at checkout based on your order and location.
Frequently asked questions
How do I track my order?
As soon as your order is dispatched, you'll receive a dispatch email with delivery dates and details for your order.
If you require an update on your order, you can email customerservice@i4lgroup.co.uk with your order number for assistance.
Can I order now and pay later?
Yes, we offer a variety of flexible payment options to all our customers.
When checking out online, you'll be able to avail of multiple buy now, pay later options with Klarna or PayPal.
The flexible payment options available to you at checkout will be based on the total value of your order.
For B2B customers, you can apply for a 30-day trade credit account, and you'll also unlock:
- Dedicated trade pricing
- Loyalty points and rewards
- A dedicated account manager
Do you really have the best prices online?
Yes! We even have a price match guarantee.
We are so confident that we have the best prices out there that we will match the price of any other online or local retailer.
If you find the same product cheaper elsewhere, we will match the price — just send us the quote or website link.
Read more: Price Match Guarantee
I have a large-scale project, can I get a quote?
Yes, if you are carrying out a construction project that requires a large quantity of materials, email sales@i4lgroup.co.uk with the following information and we will get back to you with your very own bespoke price quote:
- Delivery postcode and address
- Mobile number
- Company name
- A list of required materials and their quantities
Learn more on opening a trade account.
Can I open a trade account?
Yes! Trade customers can open a B2B account to unlock bespoke pricing, B2B discounts, trade credit, loyalty points, and a dedicated personal account manager.
You can learn more here: Open a Trade Account
Can I cancel or amend my order after placing it?
Yes, if your order has not yet been processed for dispatch, cancellation/ amendments should be possible.
Our team works quickly to get your order delivered as soon as possible so it is likely that your order will be processed for dispatch within 2-3 hours of purchase.
Contact us immediately via customerservice@i4lgroup.co.uk or call 020-3481-1978 during opening hours.
If you wish to amend your order after it has been processed by our team, it will be treated as a return or a separate new order.
Read more: Returns
What is your returns policy?
Changed your mind about your order? no problem! we offer a 14 day returns period after your order is delivered.
To avail of this your order must be unused, in its original packaging, and suitable for resale.
Refunds are issued immediately after the goods are received and inspected by our team.
If an item arrives damaged or incorrect, you must notify us within 48 hours of delivery.
Prior approval is needed before returning any goods – do not return without authorization.
Special order items are exempt from returns.
Read more: Returns
Why Choose Us?
| Factors |
|
Other Stores |
|---|---|---|
| Customer service | Easy to reach, and eager to help | Difficult to contact |
| Shipping speed | Fast and organised | Unpredictable |
| Competitive pricing | Price match guarantee | What you see is what you get |
| Loyalty program | Points + exclusive deals | Basic discounts |
| Expert advice | Free 1-on-1 sessions | Self-service only |
| Trade accounts | Bespoke pricing, trade credit, and dedicated account manager | none available |
- Choosing a selection results in a full page refresh.
- Opens in a new window.
Rated Excellent



