Novia
A1F Standard Building Paper - All Sizes
A1F Standard Building Paper - All Sizes
SKU:N5427
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
Introducing Novia Ltd's A1F Standard Building Paper – the trusted solution for construction. Meeting the highest BS 1521 Grade A1F standard, this bitumen-bonded laminate is versatile, suitable for vapour checks, cladding underlays, and more. Novia Ltd, the industry leaders, provide expert guidance for this traditional, reliable product. With standard rolls of 1m x 25m and 1m x 50m, A1F adapts to various applications, from separation layers to air movement barriers. Choose Novia's A1F for a timeless, dependable construction essential.
Key Features
- Meets BS 1521 Grade A1F standards
- Versatile composition: Bitumen, paper, scrim laminate
- Permanent use for diverse building applications
- Time-tested reliability in construction
- Convenient rolls: Available in 1m x 25m and 1m x 50m sizes
- Multi-use adaptability for various purposes
- Novia support: Backed by industry leaders for expert guidance
Note: Novia products are non returnable if over or incorrectly ordered
Other Related Products
Polybit Building Paper: A top-notch solution for specific construction requirements.
B1F Building Paper: Designed for superior performance in building applications.
509B Kraft Union Liner: A reliable liner for added strength in construction projects.
B2 Building Paper: A versatile solution with a large roll size for extensive coverage.
Frequently Asked Questions
What is A1F Standard Building Paper used for? A1F is a versatile building paper suitable for various applications, including vapour checks, cladding underlays, temporary protection, separation layers, bond breaks, draught, damp exclusion, and air movement barriers.
Does A1F meet any specific industry standards? Yes, A1F meets the highest standards of BS 1521 materials, Grade A1F, ensuring top-notch quality and reliability in construction.
Can A1F be used for permanent building applications? Absolutely, A1F is designed for permanent building applications, providing a reliable and durable solution.
Is A1F suitable for uninsulated cladding applications? Yes, A1F is commonly used as an underlay on uninsulated cladding, providing effective protection and support.
How does A1F differ from breathable roof underlays? A1F is a traditional bitumen-bonded building paper laminate, offering generic suitability for a wide range of applications. Unlike breathable roof underlays, A1F's usage is not specifically guided by BS 1521.
Technical Specifications
Biological | Does not attract insects or vermin |
Brand | Novia |
Certification | BS 1521 |
Colour | Brown |
Grade | A1F |
Material type | Kraft Paper |
Permeability | Vapour Permeable |
Suitable for | Permanent building applications |
Temperature stability | Over 70 Celsius |
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 |
![]() |
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 |