
Our product worlds
The right solution for every project
Buy and configure windows online


Aluminium windows
- Slim aluminium profiles from Aluprof
- Uw always shown with the stated Ug
- Matt RAL powder coat

Wood windows
- Naturo wood profiles described by wood layers, not chambers
- Four lacquer coats on the wood
- Stain, clear varnish, raw wood or opaque RAL

Wood-aluminium windows
- Wood inside, aluminium cladding outside
- Exterior RAL, no wood stain on the cladding

Configure and buy sliding doors online – precisely made to measure
- Low threshold
- Triple glazing
- Security fittings

Order roller shutters – classic sun protection & security
- Heat/sun protection
- Colour variety
- Lift protection

Venetian blinds – modern, adjustable sun protection
- C-80/Z-90 slats
- Weather automation
- Combinable with windows



Pergola SB350 – configure aluminium louvered roof online
- Motorised louvered roof
- Online configuration
- 5 textured colours


Real people behind the offer
We are Fensterwerke³
Personal advice, clear prices, made-to-measure – no showroom pressure.
More about usMade-to-measure uPVC, aluminium, timber and timber-aluminium windows, sliding doors, sun protection, entrance doors, garage doors, pergolas and fences
Choose your system and configure your desired product directly online
All systems – more products on request
All window profiles can also be configured as balcony & terrace doors.









Product catalogs
View our catalogues online or download them as PDF – uPVC, aluminium, timber and timber-aluminium windows, sliding doors, sun protection, entrance doors, garage doors, pergolas and fences. If you have questions, write to us at info@fensterwerke3.de.
View catalogCompleted projects of our customers
Discover how our windows and sliding doors are used by our customers
Buy windows online – configure individually
Fensterwerke³ GmbH supplies high-quality windows in uPVC, aluminium, timber and timber-aluminium, plus sliding doors, sun protection, entrance doors, garage doors, pergolas and property fences online – direct from the factory at attractive online prices. For uPVC, choose profiles from Salamander, Aluplast, Gealan or Rehau; for aluminium and timber, the systems from Aluprof and Naturo. You set dimensions, glazing, colours and fittings individually.
You receive a clear, traceable quote in a short time. Our made-to-measure solutions combine strong thermal insulation, durable materials and a clean look – for renovation and new builds. In the online configurator you put together windows, sliding doors and sun protection, including roller shutters and external venetian blinds from Aluprof and Beck+Heun. We deliver throughout the DACH region and the EU.
Windows & more made to measure - Configure online
Brand profiles
uPVC from Salamander, Aluplast, Gealan and Rehau. Aluminium from Aluprof. Timber and timber-aluminium from Naturo.
Direct import
Strong price-performance ratio through direct procurement
RAL colours
Aluminium windows and aluminium cladding in any RAL colour, painted or powder-coated. Timber with stain or opaque lacquer.
Funding-eligible windows
From 0.95 Uw – state-fundable and energy-efficient
Sun protection systems
Roller shutters and Venetian blinds – perfect sun protection for every need
How it works
1. Configure
Online window configurator with all options
2. Quote in shortest time
Personal quote within the shortest time
3. Delivery 3–4 weeks
Direct delivery to your kerbside
4. German consultation
Online consultation without language barriers
Frequently asked questions FAQ
How can I configure and order windows online?
How long does the configuration take?
Is the configurator easy to use?
What delivery times apply for windows and sliding doors?
What warranty do you offer?
DELIVERY TIMES
Please note: The stated delivery times are approximate. All ordered products are delivered together – the actual delivery time therefore depends on the product with the longest production time in your order. Note: Longer delivery times may occur with special colours or colours not in stock, as well as with special security glazing. These details are for your safety and aim to create transparency, as the actual production and delivery time depends on availability and individual manufacturing processes.
Direct from Lake Constance · Singen
Ready for your new windows? Configure online now!
Configuring windows online has never been easier. Use our modern window configurator and receive your individual quote in the shortest time.
Configure uPVC, aluminium, timber and timber-aluminium windows online
High-quality brand windows at fair prices – transparent and configurable online. Our Configurator leads you to your individual quote.




