Technical Insights
Practical advice, specification guidance and technical articles for architects, contractors and developers designing roof terraces and balconies.
Why Roof Terrace Documentation Matters More Than Ever
Modern roof terrace projects involve more documentation than ever before. Architects, developers, building control officers, warranty providers and insurers increasingly expect clear evidence that systems have been designed, [...]
Is BalcoDeck® more expensive? Here is the question you should actually be asking
The conversation about BalcoDeck® often starts with cost. It is the wrong starting point. The right question is not what BalcoDeck® costs. It is what a penetrative installation [...]
Does fixing a balustrade through a flat roof membrane void the waterproofing warranty?
In most cases, yes. Third-party penetrations through a waterproof membrane not sanctioned by the manufacturer typically invalidate the warranty. Approved penetration guidance - where it exists - is [...]
One company. One system. One Certificate of Compliance. Why BalcoDeck® is built as a single integrated solution
Most roof terrace installations are assembled from separate parts supplied by separate companies. The waterproofing contractor finishes their work. The balustrade supplier arrives. The deck installer follows. Nobody [...]
How BalcoDeck® can resist wind loads on a flat roof – without a single fixing into the structure
A roof terrace balustrade has to resist significant wind forces. Uplift trying to lift the deck. Lateral pressure pushing the glass. On a conventional installation those forces travel [...]
Why Roof Terrace Defects Often Start at Design Stage
Many roof terrace defects don’t originate on site - they begin much earlier, at design stage. Across UK construction, terraces above occupied space are commonly detailed using penetrative [...]
Patent GB2636232 – the engineering behind the UK’s only patented non-penetrative balustrade and decking system
BalcoDeck® is protected by UK patent GB2636232, granted by the Intellectual Property Office in January 2026 and is the UK's only patented non-penetrative balustrade and decking system. Development [...]
Roof Terrace Detailing FAQs: Key Questions at Design Stage
Roof terrace detailing involves a complex interaction between structural requirements and waterproofing performance and many of the most critical decisions sit within the detail. So what are the [...]
The Detail That’s Rarely Questioned in Roof Terrace Design
In many roof terrace projects, structural detailing follows a familiar path. Balustrades and structural elements are typically fixed directly into the slab, providing a clear and efficient load [...]









