Hidden sash

A modern solution for a private house or residential complex glazing. Due to the identical appearance of the blind and opening parts of the structure, the glazing area of the window with the hidden sash is much larger than the glazing area of the classic window.

We are ready to provide additional information on your questions about the products

Fill your house with sunshine

The concealed sash increases the glazing area by 18% and therefore lets in more sunlight (compared to the classic window).

by 18%

increases the glazing area

Stylish facade solution

The facade looks modern and stylish thanks to the identical appearance of the blind and sash window parts.

Type of solution

Single Leaf
Double Leaf

Polymer coating

White
Anthracite
Brown
Black
Anthracite gray
Gray
>200

additional shades according to RAL and DB palettes

Anodizing

Silver
Ultra Light Bronze
Bronze
Black
Champagne
Cognac
Light Gold
Gold
Dark gold

The best solution for the windows installed on the high-tech facilities. During anodizing, the profile is immersed in the electrolyte solution and the electric current is passed through it to form a layer of protective oxide film on the metal surface.

Decoration

Cherry
Golden Oak
Irish Oak
Walnut
White Ash

Here is the application of the polymeric decorative coating (with wood-finished effect) on the surface of the aluminium profile by means of the special equipment. The coating exceeds the durability of the organic materials and perfectly combines with them. This is an excellent solution for the eco-style admirers.

Type of solution
Polymer coating
Anodizing
Decoration

3 types of coatings

The polymer coating — ensures 200 shades in the traditional glossy or practical matte finishes, as well as with the moiré effects.

Wood-finished decoration — is the choice of those who prefer nature motives.

Anodizing — is a bespoke solution that emphasizes the texture of the metal and extends its service life.

Style in details

Fittings are the stylish touch in design. ALUTECH offers the laconic and modern handles that harmonize with the cornices, furniture and other fittings.

Reliable and durable

Ergonomic and functional handles allow you to easily open and close even massive windows.The presented fittings are resistant to wear and minor mechanical damage.

Most often our customers order handles in the basic shades that suit any interior style. Bespoke colours are available on request.

Black
White
Silver
Handle type: With the visible reducer
Manufacturer: ROTO
Handle type: With the hidden reducer
Manufacturer: ROTO
Handle type: With the lock
Manufacturer: ROTO
Handle type: With the visible reducer
Manufacturer: Stublina
Handle type: With the hidden reducer
Manufacturer: Stublina
Handle type: With the lock
Manufacturer: Stublina
Handle type: With the hidden reducer
Manufacturer: Dublin
Handle type: With the lock
Manufacturer: Dublin
Handle type: With the hidden reducer
Manufacturer: Hoppe
Handle type: With the lock
Manufacturer: Hoppe

“Warm” solution for a cozy house

A room with the hidden sash is warm even in the cold winters. The structure does not freeze and condensation does not appear on it. This saves money on heating and air conditioning.

Polyamide thermal breaks
width

up to 34 mm



Thermal conductivity
Uf = 1,72 W/m2∙K

Accessories that
provide thermal insulation:

Ensure the tightness of the door by eliminating gaps between the frame and the sash.

Prevent the profile from freezing from the street to the room, reducing heat loss of the house.

Increases the thermal performance of the window, preventing the penetration of cold from the street.

Prevents the window construction from freezing, protects rooms from UV radiation.

Draught-free windows
even in strong winds

The elegant concealed sash can withstand all the weather conditions. Wind, rain, blizzards - it doesn not really matter what is happening outside. Your house will be warm and cozy.

Class A

air permeability


Airtightness and no blowing

The polyamide corners ensure the tightness of the structure and minimize the risk of its blowing even in strong wind.

Fast moisture removal

The intelligent drainage system guarantees complete drainage of the moisture and prevents condensation. The appearance of the fungus and mold is also excluded.

Protection against dust and unpleasant odors from the street

The multi-circuit closed sealing system eliminates the possibility of gaps between the sash and frame. The house is reliably protected against dust penetration.

Silence and comfort
24 hours a day

Thanks to its clever design, the concealed sash protects the rooms from the outside noise. Even if there is a busy avenue, railroad or airport nearby, the house will be quiet.

up to 48 dB

sound insulation

The sound insulation of the concealed sash is ensured
by a number of components:

Special inserts made of the foamed material

Multi-contour closed sealing system

Modern double-glazed windows up to 50 mm thick

Safety
of the loved ones and property

Most often intruders enter houses through windows. However, the installation of ALUTECH hidden sash allows not to worry about the safety of the housemates and property. The design includes a set of anti-burglary components.

RC2

burglary resistance class

Components responsible for the security:

reduces the chances of intruders entering the house.

is resistant to mechanical impact.

eliminate the risk of children opening the windows by themselves.

Carefree operation

ALUTECH hidden sash is easy to use and requires no additional maintenance. In addition, it can be equipped with an automatic opening mechanism.

The average number
of the opening-closing cycles

20 000

The automation of the hidden sash makes it possible to comfortably operate even the large sash structures.

The smooth and quiet operation of the hidden sash is possible because of the special seals and high-end fittings that are used in the construction.

The hidden sash does not need to be adjusted throughout its entire service life.

Profitable investment
in quality

The use of the specially coated aluminium profiles ensures a long service life of the hidden sash for more than 50 years.

Long service life

The hidden sash can withstand around 20,000 opening and closing cycles.

Quality hardware

The use of the Europe-made hardware guarantees smooth operation of the sash.

ALUTECH hidden sash durability

Aesthetic appearance for many years

The aluminium profiles are resistant to the mechanical damage (scratches, scuffs) and do not require special care.