Cortizo A 78 PVC windows
Straight, contemporary lines with six chambers and high-performance glazing options.
Cortizo A 78: straight lines and insulation
An 78 mm frame and sashwith six internal chambers and glazing capacity up to48 mm, allowing suitable triple-glazed configurations.
Straight frame, sash and glazing-bead profiles create a clean appearance for contemporary homes and complete renovations.
The Passivhaus 1.0 version has reference Uw from 0.74 W/m²K. Concealed drainage and hardware are optional, subject to the configuration.
Passivhaus version available
What A 78 offers
Thermal insulation
Reference Uw from 0.80 W/m²K, or 0.74 W/m²K for the specified Passivhaus version.
Up to 46 dB
Reference acoustic insulation up to 46 dB with the specified glazing.
Watertightness E1800
Air permeability Class 4, E1800 watertightness and Class C5 wind resistance in the reference test.
Straight profile design
Butt or mitred joints and the specified seals provide different finishing options.
Safety and accessibility
Options for security hardware, concealed hardware and drainage, and accessible assemblies.
Available configurations
Window
Window sashes 400–1400 mm wide and 450–2450 mm high.
Balcony door
Balcony doors up to 2500 mm high, with sashes up to 150 kg.
Door
Door leaves 700–1300 mm wide and up to 2500 mm high, with a maximum weight of 160 kg.
Openings
Hinged, tilt-and-turn, folding and tilt-and-slide configurations, subject to system limits.
Passivhaus 1.0
In the stated Passivhaus 1.0 version: windows up to 2200 mm and balcony doors up to 2300 mm high.
Butt or mitred joints
Choose the compatible corner-joint finish for the design.
Choose your colour
The finish helps your window fit your facade and your interior. Explore popular colours and combinations: white inside, colour outside, wood effects and matt textures.
Anthracite grey
Choose a sample to see the window in that finish.
On-screen colours are indicative. Visit our showroom in San Vicente del Raspeig to see the actual samples before choosing.
The specifications at a glance
AEV test (2 sash, 1230 × 1480 mm)
| Permeability to air | Class 4 |
| Water tightness | E1800 |
| Wind resistance | Class C5 |
Insulation
| Thermal transmittance (Uw) | ≥ 0.80 W/m²K |
| Uw version Passivhaus | ≥ 0.74 W/m²K |
| Acoustic insulation | Rw up to 46 dB |
Sections
| Frame | 78 mm |
| Sash | 78 mm |
| Maximum glazing | 48 mm |
Maximum leaf weight
| Window / balcony | 150 kg |
| Door | 160 kg |
Reference values according to Cortizo. Final performance depends on glass, hardware, dimensions and assembly. Non-contractual information.
Cortizo A 78 for contemporary homes
Cortizo A 78combinesstraight PVC profiles with strong insulation. Its frame, sash and glazing beads suit contemporary homes and complete renovations.
Six chambers and glazing up to 48 mm
The 78 mm profilehassix internal chambersand accepts glazing up to48 mm, including suitable triple-glazed or acoustic assemblies. Reference thermal values start at Uw 0.80 W/m²K, or 0.74 W/m²Kfor the statedPassivhaus 1.0 version.
Design and hardware options
- Compatible butt or mitred corner joints.
- Optional concealed hardware and drainage.
- Hinged, tilt-and-turn, foldingandtilt-and-slide configurations within system limits.
- Door leaves up to 2500 mm highand160 kg, for the specified assembly.
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For contemporary renovation projects
The straight profiles can suit complete renovations, minimalist interiors and new buildings. A compatible Cortizo Isolation shutter box allows the box, window connection and opening to be assessed together.
A 78 in a new home
For a contemporary house, Cortizo A 78offers straight profiles, a choice of corner joints, and optionalconcealed hardware and drainage. The glazing and complete installation determine how its reference values translate to the project.
We compare the proposed configuration with the building’s insulation needs rather than selecting the frame depth alone.
Compare it with Softline 76
In renovation, VEKA Softline 76 is another system to consider. Profile appearance is one distinction: straight lines in A 78 and softer edges in Softline 76. You can inspect both in our showroom and compare the glazing, opening and hardware for your project.
Frequently asked questions
Can Cortizo A 78 have different colours inside and outside?
Yes. Compatible finishes include white, solid colours, wood effects and dual-colour assemblies. We show you samples and confirm availability for your order.
What does Cortizo A 84 add compared with A 78?
A 84 has an 84 mm depth and glazing capacity up to 54 mm. Its family includes Passivhaus and concealed-sash options. A 78 provides a 78 mm straight-profile system with glazing up to 48 mm. We compare the exact configurations needed for your opening.
Can A 78 accept triple glazing?
Its glazing capacity is up to 48 mm, permitting suitable triple-glazed configurations. The glass is selected for the exposure, noise, dimensions and system limits.
What are the stated limits of A 78 Passivhaus 1.0?
The stated version quotes reference Uw from 0.74 W/m²K, with windows up to 2200 mm and balcony doors up to 2300 mm high. The applicable assembly and documentation are checked for the order.
Do you like the straight design of the A 78?
Arrange a measurement visit and compare the system in our showroom. Written quotes with no obligation across Alicante province.