Buy uPVC, aluminium, timber and timber-aluminium windows, sliding doors and sun protection online at Fensterwerke³
Our special offer35% discounton all our products
Offer ends in

Your online specialist retailer

Buy online.Achieve more.

WindowsSliding doorsSun protectionDoorsGarage doorsPergolaFences

  • 35% price advantage
  • Made to measure – request a free, non-binding quote
  • Delivery in 3–4 weeks

Delivery only – no installation · no showroom

Free & non-binding5-year warrantyCertified brand qualityDelivery DE · AT · CH · EUPayPal buyer protection

Our product worlds

The right solution for every project

Buy and configure windows online

All products uPVC windowsAluminium windowsWood windowsWood-aluminium windowsSliding doorsSun protectionDoorsGarage doorsPergolaFences
Plastic windows made to measure – energy-efficient and individually configurable
Windows

Buy plastic windows online

Energy-efficient & individually configurable

  • Thermal protection
  • Sound insulation
  • Large selection
Configure windows now
Configure now
Aluminium windows
Aluminium windows

Aluminium windows

Aluprof SI

  • Slim aluminium profiles from Aluprof
  • Uw always shown with the stated Ug
  • Matt RAL powder coat
Configure
Configure now
Wood windows
Wood windows

Wood windows

Naturo

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

Wood-aluminium windows

Naturo

  • Wood inside, aluminium cladding outside
  • Exterior RAL, no wood stain on the cladding
Configure
Configure now
Sliding door made to measure – ideal for terrace and balcony
Sliding doors

Configure and buy sliding doors online – precisely made to measure

Individually configurable, ideal for terrace & balcony

  • Low threshold
  • Triple glazing
  • Security fittings
Configure sliding door
Configure now
Roller shutters – classic sun protection with smart home option
Shutters

Order roller shutters – classic sun protection & security

Robust sun protection with optional smart home control

  • Heat/sun protection
  • Colour variety
  • Lift protection
Configure roller shutters
Configure now
Venetian blinds – adjustable sun protection with weather automation
Raffstore

Venetian blinds – modern, adjustable sun protection

Adjustable sun protection with weather automation

  • C-80/Z-90 slats
  • Weather automation
  • Combinable with windows
Configure Venetian blinds
Configure now
Door made to measure – plastic and aluminium doors energy-efficient and individually configurable
Doors

Front & side entrance doors

Plastic and aluminium – energy-efficient, made to measure.

  • PVC & aluminium
  • Glass or panel
  • Made to measure
To configurator
Configure now
INFINITI garage door with tension springs – sectional door
Garage doors

Garage doors – INFINITI sectional door

Configure INFINITI with tension springs online – quote without shop price.

  • INFINITI tension springs
  • Online configuration
To configurator
Configure now
Aluprof aluminium pergola SB350 with adjustable louvered roof
Pergola

Pergola SB350 – configure aluminium louvered roof online

Aluprof SB350 with motorised louvered roof – choose projection and colour.

  • Motorised louvered roof
  • Online configuration
  • 5 textured colours
To configurator
Configure now
The Fensterwerke³ team with window profile samples

Real people behind the offer

We are Fensterwerke³

Personal advice, clear prices, made-to-measure – no showroom pressure.

More about us

Made-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.

WindowsPlastic
Popular
Salamander GreenEvolution 76 MD plastic windows
Salamander

GreenEvolution 76 MD

  • Middle seal
  • Renovation
Configure now
Sliding doors
Popular
Salamander Evolution Drive Smart sliding door
Salamander

Evolution Drive Smart

  • Smart home
  • Low threshold
Configure now
Venetian blinds
Popular
RAFF-Basic external Venetian blind
Aluprof

RAFF-Basic

  • Flexible light control
  • Smart home
Configure now
DoorsPlastic
Salamander GreenEvolution 76 MD entrance door
Salamander

GreenEvolution 76 MD

  • Middle seal
  • Renovation
Configure now
Garage doors
Garage doors – sectional and roller doors
Fensterwerke³

Garage doors

  • Sectional and roller doors
  • Configurable online
Configure now
Pergola
Popular
Aluprof aluminium pergola SB350 – adjustable louvered roof
-35%
from 5.375,86 € from 8.270,55 €
Aluprof

Aluprof aluminium pergola SB350

  • Smart home
  • Configurable online
Configure now
Fences
Residential fences – double mesh, trellis, privacy screening
Fensterwerke³

Residential fences

  • Double wire mesh, trellis
  • Configurable online
Configure now

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 catalog

Personal consultation

Describe your project briefly – we answer your questions, advise on profiles, sun protection and funding options, and create an initial quote on request.

  • ✓ Individual consultation by experts
  • ✓ Tailored solutions for your project
  • ✓ Free and non-binding consultation
Request consultation

Newsletter & offers

Receive exclusive offers and news directly in your inbox.

Completed 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.

Configure now

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?
In the configurator you choose material, dimensions, profile, glazing and colour. uPVC windows come from Salamander, Aluplast, Gealan and Rehau, aluminium windows from Aluprof, and timber and timber-aluminium windows from Naturo. You then receive a clear quote and can order online.
How long does the configuration take?
Minimal configuration: Only 5 minutes! Perfect for a quick start without prior experience. Full configuration: 10-15 minutes for detailed information with all options. The actual duration depends on your project scope, but our configurator is optimised so that you get to your quote as quickly as possible.
Is the configurator easy to use?
Yes, definitely! Our configurator is specially developed for maximum user-friendliness. In just 5 minutes to a complete configuration - without any prior experience! Two modes: Minimal (Quick & Easy) guides you intuitively through the most important steps – Full (For experts) offers all detailed input options.
What delivery times apply for windows and sliding doors?
Delivery time is usually 3–4 weeks after payment receipt, depending on profile, colour and fittings. Through our direct sales we guarantee short delivery times for windows, doors and sun protection – in the entire DACH region and EU, even to sunny Spain.
What warranty do you offer?
All products come with a 5-year warranty. The respective manufacturer warranties also apply, including those from Salamander, Aluplast, Gealan, Rehau, Aluprof and Naturo. The warranty covers material and workmanship defects.

DELIVERY TIMES

Plastic windows white
from 14 days
Plastic windows one-sided coloured
from 15 days
Plastic windows both-sided coloured
from 21 days
Roller shutters & Venetian blinds
from 14 days
Sun protection with special colours
from 18 days

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

Configurator 5-year warranty DACH + EU delivery From 0.95 Uw

High-quality brand windows at fair prices – transparent and configurable online. Our Configurator leads you to your individual quote.

Configure online now