Using offsite manufacture and the latest testing to deliver structures faster, with assured performance built in.

Our skilled technical teams work in collaboration with clients to ensure the most challenging of #SteelFramingSystems are accurately manufactured & fit first time. To hear directly from our clients go to: #SFS @SCIsteel @LSF_Association @ExploreOffsite

About 3 days ago from @EOS_Framing's Twitter via Hootsuite Inc.


System Overview
The EOS Thrubuild® systems use offsite manufacture and the latest testing to deliver structures faster, with assured performance built in.
Developed in collaboration with Etex brands – EOS, Siniat, and Promat, the EOS Thrubuild system has been developed as an integrated system, using the award-winning EOS range of light steel framing, Siniat Weather Defence external sheathing board, and Siniat Frameboard, an internal plasterboard.

These have been developed exclusively for EOS by Siniat, a world leader in plasterboard materials.
Meeting building performance requirements for fire, thermal, weathering, acoustics and airtightness – the range of Thrubuild® systems deliver an ‘all in one’ solution providing crucial time and cost benefits… Read More

The system range comprises:
• Internal separating walls, between units, using twin 65mm studs or deeper
• Internal dividing walls, within a unit, using 100mm studs or deeper
• External walls, using 100mm studs or deeper
• Internal dividing floors, within a unit, using 150mm steel joists or deeper
• Internal separating floors, between units, using 150mm steel joists or deeper

Performance Guaranteed – Thrubuild® 30 Year Warranty
The loadbearing light steel ‘through the wall’ systems, have been developed to form the structure of low to medium rise buildings, up to nine-storeys, and fully tested with boarding and insulation for confidence of design performance.
Our components and products are rigorously tested together to ensure compatibility and system performance, enabling Etex to warrant the technical performance of our Thrubuild® solutions.

When Thrubuild® systems are built entirely with Etex components and materials, we award it the EOS Thrubuild® 30 year warranty – ensuring peace of mind for clients, contractors and designers.

The EOS loadbearing system is Stage 1 NHBC certified by SCI, certificate number 20180325.
EOS and Siniat manufacturing facilities are certified to ISO 9001 and ISO 14001.
EOS operate to stringent Health & Safety standards and are certified to ISO45001:2018.
Products are CE Marked to the requirements of products and steel structures standards.

Take a Tour of the EOS Advanced Manufacturing Facility:

Thrubuild® Load-Bearing Light Steel Frame Construction System Specification Guide
Download a PDF of the Guide here
Read a digital version of the Guide here

Contact Us

For more information email or contact:

Peter Burchill
Etex LBS Business Development Manager


M: 07584 003184
T: 01325 303030
Alternatively you can submit an enquiry here


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