Yes — the system is suitable for both internal and external applications. The grade 316 stainless steel posts and fittings provide excellent corrosion resistance in external and coastal environments. Toughened glass panels are fully weatherproof and UV-stable. For external installations on decking, terraces or balconies, the side-fix or concrete-in post fixing methods are the most commonly used — both create a clean, low-profile installation that does not trap debris or standing water. Always check local planning requirements: some conservation areas or listed buildings may restrict the use of glass balustrade externally.