Schüco / High-insulation windows

AWS 75.SI+

Schüco’s Super Insulated platform at a 75 mm basic depth. The system is designed for energy-efficient envelopes with a broad range of opening types, profile combinations, concealed fittings and integrations.

AWS 75.SI+ — High-insulation windows

VERIFIED PARAMETERS

Thermal performance without losing architectural flexibility.

AWS 75.SI+ is a platform rather than a single fixed U-value. Thermal performance depends on the profile combination, face widths, glazing and spacer specification.

Installation depth

75 mm

Visible width

from 91 mm

Frame Uf

from 0.9 W/m²K

Infill / glazing

18–61 mm

Max. vent size

up to 1700 × 2500 mm

Max. vent weight

up to 250 kg

Sound insulation

up to 48 dB

Air permeability

class 4

Watertightness

9A

Wind resistance

C5 / B5

Burglary resistance

up to RC3

Barrier-free threshold

zero-threshold option

With AWS 75.SI+, thermal performance comes from the whole assembly. Frame geometry, glass, spacer and installation position need to be specified together.

PROFILE CROSS-SECTION

AWS 75.SI+ profile geometry in detail.

This image shows the system's profile geometry, chambers, thermal breaks and glazing zones. The final junction is selected for the opening scheme, glass build-up, dimensions and project loads.

Schüco AWS 75.SI+ profile cross-section
OFFICIAL PROFILE SECTION / SYSTEM CUTAWAY

CAPABILITIES

For demanding building envelopes.

01

Wide selection of opening types and profile combinations

02

Concealed manual or mechatronic fittings

03

Barrier-free and zero-level threshold variants where applicable

04

Integration with Schüco doors, façades, ventilation and solar shading

THERMAL ENGINEERING

We compare whole-window Uw, not profile Uf alone.

When specifying AWS 75.SI+ we calculate the complete element: profile, glass, edge zone, frame proportion and geometry. This avoids over-specification where the glazing or installation junction is the real limiting factor.

01

Whole-element Uw

Calculated for the actual size and glazing build-up, not an isolated marketing minimum.

02

Fittings

Large vents require a check of glass weight, hardware capacity and concealed fitting options.

03

Perimeter detail

Frame position and sealing must preserve the thermal potential of the system.

COMPLETED PROJECT

See the system in a Kharkiv residence.

The 2021 project combines Schüco AWS 75 SI+, ASE 80 HI and AS FD 75 with a high-performance glass build-up and a warm Meesenburg installation base.

Open case study ↗

BIFORIUM / PRACTICE

A system only works as a whole with glass, hardware and installation.

Installation position, support, insulation, sealing and drainage belong in the specification rather than being improvised on site.

Open engineering details ↗
Glazing

Glazing is selected from actual Uw, solar, acoustic and safety requirements; large vents are also checked for glass weight.

Hardware

Hardware limits the viable vent geometry just as much as the profile. Concealed hinges and automation need early coordination.

Installation detail

Installation position, support, insulation, sealing and drainage belong in the specification rather than being improvised on site.

FAQ / SPECIFICATION

Questions to close before specification.

Can the system be selected only from catalogue performance?

No. Published values help shortlist options, but the finished element still has to be checked for size, glazing, weight, hardware, loads and installation detail.

Does every opening need the same glazing build-up?

Not necessarily. A south-facing elevation, a bedroom near traffic, a large fixed pane and an entrance leaf can require different glazing within the same project.

When should the installation detail be coordinated?

Before the final order. Finished-floor level, insulation, waterproofing, structural support and drainage can change the frame, threshold or final manufacturing size.

HOW TO READ THE DATA

Six values that shape the result.

A catalogue maximum is not the rating of every fabricated element. Classes depend on size, opening scheme, glazing, hardware and the tested configuration.

Ufthermal transmittance of the frame
Uw / Udthermal transmittance of the complete window or door
Rwsound reduction index in dB
RCburglary-resistance class
Air / Waterairtightness and driving-rain resistance
Windwind pressure and permitted deflection

THERMAL REVIEW

We will verify whether SI+ is justified.

Send sizes, opening types, preferred glazing and target Uw. We will select the profile configuration without unnecessary over-specification.

Send project ↗