Technical Advice | Structural Glazing

Structurally Bonded Systems

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Rebecca Clayton

Written by Rebecca Clayton

Edited by Dan Finnegan

Fact-checked by Emma Greene

Aug 19, 2026

Last verified: Aug 19, 2026

Next review: Aug 19, 2026

Our Editorial Process - How We Write Our Technical Advice Articles

01

We pick topics from real questions we hear or see being asked

We do not make up topics just to get clicks. Our topics come from the questions people really ask us. Architects ask us when they plan a building. Builders ask us on-site. Homeowners ask us when they plan their project. If the same question keeps coming up, we write about it.

02

One of our internal experts writes the first draft

The first draft is written by someone who works with that glazing system. This might be a technical advisor, a designer, or a product expert.

They write using three things, in this order. First, our own finished projects and what we learned from them. Second, the building rules and the glass standards that apply. Third, the maker's technical data for the system we supply. When we give a number or a limit, we say where it comes from. We name the rule or standard and link to the official source so you can check it yourself.

03

A second expert checks it

Before any article goes live, a second qualified person reads it. They check three things. That the facts are right and not made too simple. That any rule or standard we mention is current and stated correctly. That the advice matches how the work is really done on site.

This checker can send the article back, ask for proof, or stop it from going live. Two experts must agree. This is the most important safety step in how we work. The name of the person who checked each article is shown on the article itself.

04

We publish it, review it periodically and make fresh content updates to ensure ongoing accuracy

Each article shows who wrote it, who checked it, and the date it was last checked. Rules, standards, and products change over time. So we go back and review our advice on a regular basis. We update it when a rule changes, a standard is replaced, or a product changes. Being right matters more than leaving an old article alone.

Up and over glass creating an atrium to luxury new build

When choosing the glazing systems for your next project, it’s important to understand the benefits of choosing structurally bonded systems. Bonded systems are perfectly suited to a contemporary style, following a minimal appearance and allowing the glazing to be the main feature.

Manufacturing

During the manufacturing stage, bonded window and door systems are designed to have the glass structurally bonded into the frame. This is more secure than beaded systems as it eliminates the risk of anyone being able to take the systems apart. As the beading elements are not required for bonded systems, the sightlines can be slimmer.

glazed kitchen extension with side infill roof and sliding glass doors

Slim Sightlines

With slim sightlines being one of the main priorities for luxury new build projects, bonded systems are seen as superior to bonded. Minimal sightlines from just 21mm can be achieved using our structurally bonded systems, including opening elements like slim framed sliding glass doors.

Structurally bonding ensures that the frame is permanently fixed to the glass, adding a higher level of security than other methods. When a project is striving to meet specific security requirements, for example a high profile homeowner, bonded systems are favoured.

Edge_Hill_Floor_to_Ceiling_Sliding_Glass_Doors

Structure

Due to the strong nature of structural bonding, the systems themselves can act as a structural element within a build. A sliding door system functioning as a structural element within a project adds a higher level of quality and strength, adding support to the opening structure.

Another example of structural bonding within a door system is the Sieger Lux. Using structural bonding to manufacture the luxury system, the slim framed system offers super slim sightlines, enhanced security and a strong structural element.

House Ayious Contemporary Build

Design

Structurally bonded systems have many advantages and are the perfect choice for many different home designs. Contemporary new builds, traditional countryside homes and anything in between are all perfectly suited for these high quality, secure systems.

architectural glass box extension