Frameless glass railing, in two load classes: 1.0 and 3.0 kN/m.
View Crystal does away with posts entirely: the glass is held in a continuous aluminium profile at the base and is free everywhere else. The result is a railing that practically disappears from the view.
The two versions differ only in the line load they carry, but the difference is decisive in the choice: View Crystal takes 1.0 kN/m and is admitted in zones A1, A2, B, C1, C2, D1, D2, G1 and G2 of CTE DB SE-AE, while View Crystal Plus takes 3.0 kN/m and is admitted in every zone.
The base profile can be fixed on the slab, flush on the slab, flush with the slab edge or on the reverse slab edge.
The base version, for areas where the required line load does not exceed 1.0 kN/m.
Characteristics
Maximum height
1.100 mm
Maximum load
1,0 kN/m
Categories of use (CTE DB SE-AE)
A1, A2, B, C1, C2, D1, D2, G1, G2
Installation options
on the slab; flush on the slab; flush with the slab edge, on the slab itself; on the reverse slab edge
Permitted glass make-ups
10 mm glass
8 mm glass
6 mm glass
10 – 1.52 – 10
8 – 1.52 – 8
6 – 1.52 – 6
10 – 1.14 – 10
8 – 1.14 – 8
6 – 1.14 – 6
10 – 0.76 – 10
8 – 0.76 – 8
6 – 0.76 – 6
10 – 0.38 – 10
8 – 0.38 – 8
6 – 0.38 – 6
Twelve glazing options: double glass of 10, 8 or 6 mm, bonded with up to 4 polyvinyl butyral interlayers of 0.38 mm. All the make-ups are LAMINATED. CORTIZO recommends toughened glass.
Classes achieved in testing
Tests to
UNE 85237, UNE 85238 and UNE 85240; requirements set in the CTE (DB SU-1 and DB SE-AE) and in Eurocode 1, to EN 1991-1-1
Classification to UNE 85240
Class A – EXCELLENT
Reference test specimens
a railing in glass and extruded aluminium, fixed on the slab edge, H 1,100 × W 1,500 mm above finished floor level; and fixed on the slab, H 1,100 × W 1,500 mm above finished floor level
Finishes
Two-tone possible
Powder coating (RAL, mottled and textured), to Qualicoat >60 microns
Wood-effect coating, to the Qualideco standard
Anodising, to Ewwa Euras / standard class 15, optionally classes 20 and 25
The reinforced version, admitted in every category of use in CTE DB SE-AE.
Characteristics
Maximum height
1.100 mm
Maximum load
3,0 kN/m
Categories of use (CTE DB SE-AE)
ALL
Installation options
on the slab; flush on the slab; flush with the slab edge, on the slab itself; on the reverse slab edge
Permitted glass make-ups
10 mm glass
8 mm glass
6 mm glass
10 – 1.52 – 10
8 – 1.52 – 8
6 – 1.52 – 6
10 – 1.14 – 10
8 – 1.14 – 8
6 – 1.14 – 6
10 – 0.76 – 10
8 – 0.76 – 8
6 – 0.76 – 6
10 – 0.38 – 10
8 – 0.38 – 8
6 – 0.38 – 6
Twelve glazing options: double glass of 10, 8 or 6 mm, bonded with up to 4 polyvinyl butyral interlayers of 0.38 mm. All the make-ups are LAMINATED. CORTIZO recommends toughened glass.
Classes achieved in testing
Tests to
UNE 85237, UNE 85238 and UNE 85240; requirements set in the CTE (DB SU-1 and DB SE-AE) and in Eurocode 1, to EN 1991-1-1
Classification to UNE 85240
Class A – EXCELLENT
Reference test specimens
a railing in glass and extruded aluminium, fixed on the slab edge, H 1,100 × W 1,500 mm above finished floor level; and fixed on the slab, H 1,100 × W 1,500 mm above finished floor level
Finishes
Two-tone possible
Powder coating (RAL, mottled and textured), to Qualicoat >60 microns
Wood-effect coating, to the Qualideco standard
Anodising, to Ewwa Euras / standard class 15, optionally classes 20 and 25
Both versions are published by CORTIZO in the same document.
The thermal transmittance values published by CORTIZO are minimum values for the system, conditional on the typology, on the dimensions of the joinery and on the glazing unit. The actual value of an assembly is established by calculation, on the configuration actually ordered.
From system to finished joinery
What we do with this system
Choosing the configuration
The system offers a range; the project asks for a value. We settle the version, the glazing unit and the typology from the actual requirements of the building, not from the maximum on the data sheet.
Calculation on the actual assembly
The transmittance of a window depends on the frame-to-glass ratio. We calculate it on the actual dimensions of the openings, not on the laboratory specimen.
Our own production
Cutting, machining, assembly and glazing in our own workshop in Baia Mare, on original CORTIZO profile and with hardware approved for the system.
Installation and handover
We install with our own teams, including abroad, and hand the job over with its documents. The warranty is the one published on our warranties page.
Next step
Do you want View Crystal on your project?
Send us the window schedule or the drawings. We will come back with the right version from the family, with the thermal calculation on the actual openings, and with the price.
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