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Knauf ThroughWall System: The one manufacturer solution for steel infill panels

31st Oct 2022

Infill panel walls are a form of cladding that is built between the structural members of a building. The structural frame provides support for the cladding system, whilst the cladding provides protection from the external environments. 


Knauf ThroughWall

What are Infill Panels?

Infill walls are different to other forms of cladding panels as it is fixed between framing members rather than being attached to the outside of the frame.

These panels are fixed between the structural horizontal and vertical members of the frame and include architectural features like large windows, parapets, and so on. The panels are lightweight and quick and easy to install. The size and thickness of the steel sections can be varied according to the façade wall height and windloads.

What makes the Knauf ThroughWall system different?

Knauf ThroughWall is a one-manufacturer solution that provides the integral parts of an exterior wall system. When products from multiple manufacturers make up a system, there will inevitably be areas where no details exist on how to interface one product with another or queries arise when abutting two systems from different manufacturers.

With the Knauf ThroughWall system, there is just one manufacturer and one set of full system drawings to indicate how the system should be constructed, resulting in far fewer queries from specification to installation.

What does the system comprise of?

Employing a warm/hybrid frame construction means that the Steel Framing Sections (SFS) is sheathed with external insulation and/or insulated within the SFS.

The system comprises of:

In addition to this Knauf Airless Finish gives a level 5 finish to the internal wall.

Knauf ThroughWall is also a BBA certified System!

We are proud to offer the Knauf Throughwall system with full BBA certification (number 20/S046). Knauf also have several standalone product BBA Certifications including Knauf Windliner Sheathing Board (17/5442) and Knauf Insulation Rocksilk® RainScreen Slab (19/5609), both of which form key components of the  Knauf ThroughWall BBA Certification.

Why use Knauf’s ThroughWall system?

There are numerous reasons to use the ThroughWall system which include:

  • De-risk the ThroughWall design

With the Knauf ThroughWall system, there is just one manufacturer and one set of full system drawings to indicate how the system should be constructed, resulting in far fewer queries from specification to installation.

  • Knauf System Performance Warranty and Certification 

Instead of only supplying product specific data, Knauf can provide full system performance data, testing reports (acoustics, fire and thermal U-value calculations) and certification including a BBA certificate for the complete Knauf ThroughWall system.

Knauf offer a full system performance warranty when 100% of all products in the system are Knauf products and installed in accordance with the guidelines provided. This gives everyone in the supply chain peace of mind.

  • Simple and Faster Build

Full up-front design by one manufacturer should simplify the construction process because all documentation is provided by one source, meaning less time wasted having to coordinate manufacturers and deliveries. Build times will also be shorter, with products delivered that are ready for use, such as cut-to-length metal profiles.

  • Cost Savings

There can be cost savings at every stage including co-ordinated deliveries to site with all products coming from a single manufacturer and less time encountered liaising with multiple manufacturers. In terms of the products, the Knauf ThroughWall system can negate the need for a breathable membrane in most circumstances due to its water and water vapour resistance.

How can the system’s exterior be finished?

The systems can be finished in a variety of ways including Brick Cladding systems, rainscreen cladding systems or Knauf render systems using Aquapanel Outdoor.

What about the internal systems?

Don’t forget that Knauf offer a range of interior systems such as Airless Spray Finish, acoustic ceilings, flooring as well as the drywall systems giving a one-stop solution for multiple areas on the build, driving simplicity into other areas of your project.

How can I find out more?

Read Knauf's latest brochure or contact your local CCF branch for more information.