Glass railings for private-house terraces
Open terrace, rain, snow, UV, seasonal swings. What to pick for a long life without redos.
A countryside terrace near St. Petersburg goes through −28 °C winters, +30 °C summers, 130 freeze-thaw cycles per year, 380–420 kWh/m² of UV, sometimes road salt in spring. Standard "balcony railing" fails in 5–7 years here. Terraces need marine-grade specs.
01What's different from a balcony
Laminated only. No tempered without PVB. PVB 1.52 mm minimum.
A4 stainless (AISI 316) only. A2 corrodes in 4–6 years in salty humidity. A4 with molybdenum holds 25+ years.
U-channel sealing with −40 °C silicone. Sanitary silicone cracks in two winters.
022026 prices (Leningrad region)
| Mount | Glass | Per lin.m |
|---|---|---|
| Bottom U-channel (A4) | 6+6 PVB | from 18 600 ₽ |
| Point-fix (Spider A4) | 8+8 PVB | from 24 400 ₽ |
| Side to parapet | 6+6 PVB | from 21 200 ₽ |
| + ash wood handrail | — | +6 800 ₽/lin.m |
| + brass handrail | — | +12 400 ₽/lin.m |
Test case: 18 lin.m terrace in Zelenogorsk, south-facing. With A2 + standard PVB after 5 years — rust at fixings, light yellowing of PVB, 60% hardware swap. With A4 + UV-PVB — visually new. 14% price delta.
03This service at REAL GLASS
If you've read this far, the topic is probably relevant to a real project. We make glass railings in-house in St. Petersburg, with a measure within 1–3 days, 1-year warranty and a fixed contract price. All numbers in this article come from our actual 2026 quotes.
For a project-specific estimate — see the service page or request a free on-site measure.
