{"id":677,"date":"2026-04-12T19:07:42","date_gmt":"2026-04-12T19:07:42","guid":{"rendered":"https:\/\/klaaskoda.ee\/uncategorized-et\/large-glass-opening-without-post\/"},"modified":"2026-04-12T19:07:42","modified_gmt":"2026-04-12T19:07:42","slug":"large-glass-opening-without-post","status":"publish","type":"post","link":"https:\/\/klaaskoda.ee\/en\/blogi\/large-glass-opening-without-post\/","title":{"rendered":"How large an opening can be glazed without a post?"},"content":{"rendered":"

One of the most common questions our clients ask us: “Is it possible to create a wide glass opening on a terrace without an intermediate post?” The short answer: yes, up to 15 metres. But to achieve that, a bit more is needed than simply installing glass.<\/p>\n

Why most companies stop at 3\u20134 metres<\/h2>\n

In standard terrace glazing, the glass system is supported by an upper and lower profile, which in turn is fixed to the structure. The glass panels slide within the profiles.<\/p>\n

The problem arises when the opening gets wider. The wider the opening, the longer the beam that carries the weight of the glass panels. A long beam deflects \u2014 and when it deflects more than the glass system allows (for folding panels \u00b12 mm!), the system no longer functions.<\/p>\n

With a standard timber beam, 3\u20134 metres is the practical limit. Beyond that, you need a special beam.<\/p>\n

How we reach 15 metres<\/h2>\n

Solving large openings requires engineering work:<\/p>\n

Steel beam.<\/strong> The advantage of steel beams is high strength with a small cross-section. IPE or HEA profiles can span large openings with minimal deflection. The beam is dimensioned for the specific opening, load, and glass system requirements.<\/p>\n

Glued laminated timber beam.<\/strong> Where a timber-like appearance is preferred visually, we use glulam beams. Glulam is stronger and more stable than regular timber and can span larger openings. Dimensioning is based on structural engineering calculations.<\/p>\n

Combined solutions.<\/strong> Sometimes the best result is achieved by combining a steel beam with a timber cladding \u2014 a strong structure with a beautiful appearance.<\/p>\n

It is important to understand that a large-opening solution is not an off-the-shelf product. Every project is unique and requires an individual approach.<\/p>\n

What does it cost?<\/h2>\n

Honestly: more than a standard solution. A special beam, structural calculations, and more complex installation add to the cost. But some clients are willing to pay for it, because the result \u2014 a post-free panoramic view of the sea, garden, or nature \u2014 cannot be achieved with any other solution.<\/p>\n

We always provide an initial cost estimate before any work begins. That way you can decide whether the investment makes sense for you.<\/p>\n

When to choose a large opening?<\/h2>\n