Technical Insights
Practical advice, specification guidance and technical articles for architects, contractors and developers designing roof terraces and balconies.
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 [...]
Why Roof Terrace Detailing Is Being Reconsidered
Roof terraces above occupied space bring together structural performance and waterproofing in a way few other building elements do. While traditional detailing methods - particularly penetrative fixing of [...]
Rethinking Roof Terrace Detailing: Are We Still Using the Right Approach?
Roof terrace detailing has followed a consistent path for many years. In most projects, achieving structural performance for balustrades or guarding systems has meant anchoring directly into [...]
