Superfoil
Superfoil Shed Insulation Kit (21m2)
Superfoil Shed Insulation Kit (21m2)
SKU:SFSHINSKIT
Est Delivery between 6th Feb and
12th Feb.
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
This product has been engineered to withstand tough conditions. It boasts a high tensile property, with a strength of 138N in length and 175N in width. Additionally, it has a strong resistance to tearing, with a strength of 75N in length and 100N in width. This ensures that the insulation remains intact and functional, even under strain. The Superfoil Shed Insulation Kit also has a water vapour resistance of 1200 MNs/g and a resistance to water penetration of W1, making it an ideal choice for protecting your shed from dampness and moisture.
Safety is a key priority with the Superfoil Shed Insulation Kit. It has a fire rating of Class E when installed behind plasterboard, providing an added layer of protection for your shed. This product is not only functional and durable but also easy to install, making it a convenient choice for both professional builders and DIY enthusiasts. With the Superfoil Shed Insulation Kit, you can ensure that your shed is well-insulated, safe, and protected from the elements.
Key Features
- High-quality, durable insulation kit
- 21m length, 1m width, and 3mm thickness
- Composed of 2 Aluminium Metalized PET Layers and 1 layer Air Bubble
- Excellent thermal resistance (0.12 R value)
- High tensile property and resistance to tearing
- Water vapour resistance of 1200 MNs/g and resistance to water penetration of W1
- Fire rating of Class E when installed behind plasterboard
Pros & Cons
Pros- High-quality, durable insulation kit that provides superior insulation for sheds.
- Offers excellent thermal resistance with a 0.12 R value, ensuring a robust barrier against heat loss.
- Strong resistance to tearing and water penetration, making it ideal for protecting sheds from dampness and moisture.
- Has a fire rating of Class E when installed behind plasterboard, adding an extra layer of safety.
- Easy to install, making it a convenient choice for both professional builders and DIY enthusiasts.
- The product's effectiveness may be reduced if not installed behind plasterboard due to its fire rating of Class E.
- Despite its high tensile property and resistance to tearing, it may still be susceptible to damage under extreme conditions.
- The silver colour of the insulation may not be appealing to all users, limiting its aesthetic versatility.
Frequently Asked Questions
The Superfoil Shed Insulation Kit is a high-quality, durable solution designed to provide superior insulation for your shed. It measures 21m in length and 1m in width, offering an impressive coverage area of 21m². The insulation is 3mm thick and is composed of two layers of aluminium metalized PET and one layer of air bubble.
The Superfoil Shed Insulation Kit has excellent thermal resistance, with a 0.12 R value. This unique combination of materials ensures a robust barrier against heat loss.
The product boasts a high tensile property, with a strength of 138N in length and 175N in width. It also has a strong resistance to tearing, with a strength of 75N in length and 100N in width.
Yes, the Superfoil Shed Insulation Kit has a water vapour resistance of 1200 MNs/g and a resistance to water penetration of W1, making it an ideal choice for protecting your shed from dampness and moisture.
The Superfoil Shed Insulation Kit has a fire rating of Class E when installed behind plasterboard, providing an added layer of protection for your shed.
Yes, this product is not only functional and durable but also easy to install, making it a convenient choice for both professional builders and DIY enthusiasts.
Technical Specifications
Brand | Superfoil |
Colour | Silver |
Coverage | 21sqm |
Facing | Foil |
Fire rating | Class E (Behind Plasterboard) |
Length | 7m |
Material | Multifoil |
Resistance to tearing | Length - 75N, Width - 100N |
Resistance to water penetration | W1 |
Tensile property | Length - 138N, Width - 175N |
Thermal resistance | 0.12 R Value |
Thickness | 3mm |
Water vapour resistance | 1200MNs/g |
Width | 1m |
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
Why Choose Us?
Factors |
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Other Stores |
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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 |