Knauf
Knauf Rocksilk Flexible Slab (All Sizes) 1200mm x 600mm
Knauf Rocksilk Flexible Slab (All Sizes) 1200mm x 600mm
SKU:kfefr50mmsl
Est Delivery between 6th Feb and
12th Feb.
How much will I need?
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
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Product Information
These products are sold in pallet quantities only. Price listed is per pallet. Please see pallet quantities below.
| Thickness | Sheets Per Pack | Pack Coverage | Number Of Packs Per Pallet | Pallet Coverage |
|---|---|---|---|---|
| 50mm | 12 | 8.64m2 | 12 | 103.68m2 |
| 60mm | 10 | 7.2m2 | 12 | 86.40m2 |
| 70mm | 8 | 5.76m2 | 12 | 69.12m2 |
| 90mm | 6 | 4.32m2 | 12 | 51.84m2 |
| 100mm | 6 | 4.32m2 | N/A | N/A |
| 140mm | 3 | 2.16m2 | N/A | N/A |
Introducing Knauf Rocksilk Flexible Slab, the ultimate solution for your thermal, acoustic, and roof insulation needs. Designed for easy installation through friction fitting, this versatile slab offers superior performance with a thermal conductivity of 0.035 W/mK, surpassing other boards in its category. Manufactured using Ecose Technology, it boasts an environmentally friendly, formaldehyde-free binder derived from renewable bio-based materials. Certified Zero Ozone Depletion Potential and Zero Global Warming Potential, this eco-friendly insulation is available in various thickness options, ensuring a perfect fit between studs, joists, and rafters. With features like being odorless, non-hygroscopic, rot-proof, and moisture-tolerant, it provides reliable protection for your home. Choose Knauf Rocksilk Flexible Slab for a sustainable, high-performance insulation solution.
Key Features
- Provides excellent thermal, acoustic and roof performance
- Friction fits between studs, joists and rafters
- Multiple application solution
- Zero Ozone Depletion Potential
- Zero Global Warming Potential
- Free from CFCs, HCFCs
- Odorless, non-hygroscopic, and rot proof
- Does not sustain vermin
- Moisture tolerant
Frequently Asked Questions
What is the Knauf Rocksilk Flexible Slab used for? The Knauf Rocksilk Flexible Slab is a versatile insulation solution designed for thermal, acoustic, and roof applications. It's suitable for use in internal partitions, between timber and metal studs, floor joists, and rafters.
How is the installation of the Flexible Slab done? This slab is installed by friction fitting, making it a user-friendly and efficient process. It easily fits between studs, joists, and rafters, providing excellent thermal and acoustic performance.
What are the dimensions and thickness options available? The Knauf Rocksilk Flexible Slab comes in a standard size of 1200mm x 600mm. It is available in various thickness options, including 50mm, 60mm, 70mm, 90mm, 100mm, and 140mm.
What is the thermal conductivity of the Flexible Slab? The Flexible Slab boasts a high-performance thermal conductivity of 0.035 W/mK, providing effective insulation for your home. Thicker boards with different measurements have a thermal conductivity of 0.037 W/mK.
Is the product environmentally friendly? Yes, the Knauf Rocksilk Flexible Slab is manufactured using Ecose Technology, ensuring an environmentally friendly, formaldehyde-free binder made from renewable bio-based materials. It is certified Zero Ozone Depletion Potential (ODP) and Zero Global Warming Potential (GWP).
Can it be used in moist environments? Yes, the Flexible Slab is moisture-tolerant, making it suitable for use in various conditions. It is also odorless, non-hygroscopic, and rot-proof.
Is the product certified for eco-friendliness? Yes, the slab is certified with Zero ODP and Zero GWP, aligning with environmentally conscious practices. It is free from CFCs and HCFCs, contributing to a sustainable insulation solution.
Can the Flexible Slab be used in roof applications? Yes, the Knauf Rocksilk Flexible Slab is suitable for roof insulation. Its flexibility and high thermal performance make it an excellent choice for maintaining a comfortable and energy-efficient home.
Is the product suitable for DIY installation? Absolutely. The friction fitting installation method makes it user-friendly, and homeowners can confidently use Knauf Rocksilk Flexible Slab for their insulation needs. However, it's always recommended to follow the installation guidelines provided.
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View Product »Technical Specifications
| Length | 1200mm |
| Material type | Rockfibre |
| Thermal conductivity | 0.037 W/mK |
| Width | 600mm |
Datasheets
Delivery Information
Est Delivery between 6th Feb and
12th Feb.
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
Can you help me pick the right insulation for my project?
Yes, of course!
Our team is ready to assist you with any questions and queries you may have.
Just reach out to us via any of the following methods:
Call us: 020-3582-6399
Email us: sales@i4lgroup.co.uk
or click the Livechat tab at the bottom of your screen.
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
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 020-3582-6399 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
