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Open as normal. Free delivery over £50
Open as normal. Free delivery over £50

Catnic Lintels


At Armstrong Supplies we offer a variety of Catnic box lintels and cavity lintels, ensuring that you can find the right solution for your project. So, regardless of the project you are looking to complete, Catnic offers a wide selection of steel lintels to fit doorways, windows, archways and aperture of any length, breadth, shape and depth.

What Makes Catnic Lintels the Perfect Choice?

Lintels form an integral part of any major structural changes to a property and furthermore, builders  have to ensure they are manufactured in accordance with all regulations and standards.

So, whether you are looking for an extra heavy duty lintel and a range of steel lintel sizes, you can be confident in the products that Catnic manufactures. We understand the importance of finding the right solution and that’s why we stock a wide variety of lintels for you to choose from.

Catnic is known for its excellence and that fits perfectly well with our desire to deliver the very best products on the market. With a vast amount of experience, Catnic knows all there is to know about the steel lintel and their products are superior and are suitable for cavity walls, timber frames, external solid walls and internal walls, providing flexible solutions that are designed for a variety of situations.

Furthermore, whether you opt for the Catnic angle lintel, the CG90 100 cavity wall lintel or any of the other products they offer, you will benefit from exceptional thermal performance and corrosion resistance that ensures they stand the test of time.

What Does Catnic Offer?

All of the lintels we offer from Catnic are designed to deliver an exceptional level of support and versatility. As every construction project requires specific solutions, Catnic lintels are available to meet the specific needs. Lightweight yet sturdy, they are designed to help enhance wall integrity and thermal performance, while they also improve both stability and durability.

Offering exceptional structural performance, you can have confidence in every product that Catnic offers. What’s more, Catnic products also comply with the technical requirements of:

National House-Building Council (NHBC)
Housing Association Property Mutual (HAPM) with appropriate adjustment factors
Zurich Municipal
British and European Standards

All of their lintels are designed to ensure that they meet BS EN 845-2:2003 and are manufactured from pre-galvanised steel in accordance with BS EN 10346:2009 with or without an applied polyester coated finish.

At Armstrong Supplies, we only offer products that we can trust and that’s why we are proud to offer Catnic lintels. We are confident that each of their products will deliver complete satisfaction and with our service, you can have them delivered to site efficiently.

What’s more, if you are unable to find a steel lintel that fits your needs then please feel free to get in touch with us. We will do all we can to ensure that we can source one for you.



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