Plastic window frames require little maintenance, are suitable for double glazing and are available in a wide range of profiles and colours. Are you planning to renovate or build? This decision guide helps you compare the benefits and know what to look out for when considering a quote.

Maintenance and lifespan

A practical advantage of uPVC is that you do not need to sand, paint or stain the profiles. For regular cleaning, a soft cloth with water and a mild cleaning agent is usually sufficient. Keep the drainage holes clear and follow the maintenance advice for the hinges and locks.

How long the entire window frame will last depends, amongst other things, on the profile system, the installation, exposure to the elements and maintenance. When comparing quotes, therefore, also check the warranty terms and the maintenance required.

Insulation and glazing

UPVC window profiles have multiple air chambers that limit heat transfer. The glass, draught seals and connection to the façade also contribute to living comfort. If you’re replacing old windows, a well-fitted window with insulating glass can reduce heat loss and the feeling of draughts near the window.

HR++ or triple glazing?

HR++ is insulating double glazing. Triple glazing (HR+++) has three panes of glass and generally offers a lower_{Ug value}. It is also thicker and heavier. You should therefore check which glazing is compatible with your chosen frame system and the required window dimensions. When comparing quotes, ask for the_{Uw value} for your specific window design.

Do you want to apply for an ISDE grant for an existing property? Check the current conditions for glazing insulation with RVO in advance, including the registration code and the installation requirements. For ISDE, the work must be carried out by a building or installation company. To qualify for the higher grant amount for triple glazing, the window frames must also be replaced.

Profiles and colours

A flat profile often complements a sleek, modern façade well. A recessed profile adds more texture and suits many traditional Dutch homes. One example is the Aluplast IDEAL 7000 NL block profile with a frame depth of 120 mm.

A wood-grain finish allows you to replicate the look of wooden window frames. Smooth finishes, for example in white or anthracite, create a different façade appearance. It is best to view the colours and textures on a physical sample. Depending on the profile system, you can choose different finishes for the interior and exterior.

What should you look out for when choosing?

1. Decide on the layout. Specify for each opening whether you want fixed glazing, a tilt-and-turn window, a door or a sliding door.
2. Choose the profile, glazing and finish. Match the profile to the façade and ensure the insulation value of your chosen combination is included in the quotation.
3. Consider ventilation. Before ordering, decide how the room will be ventilated, for example using grilles or an existing ventilation system.
4. Coordinate measurements and installation. Discuss the final dimensions, opening directions, sills and connection details with the contractor.

For a wide opening onto the garden, you can install PVC and aluminium sliding doors side by side. Would you like more daylight further into the home as well? A flat roof window or an Intura SunTube light tunnel could be a useful addition.

Frequently asked questions about uPVC window frames

Are PVC window frames available in a wood-effect finish?

Yes, depending on the system, wood-grain films and various corner finishes are available. In some designs, straight corner joints give the profile a look that matches traditional timber joinery.

What should you look out for when it comes to burglary resistance?

Ask about the burglary resistance of the complete unit in the chosen version. The profile, glazing, hinges and locks, and installation all play a part in this.

Does Intura supply made-to-measure PVC window frames?

Yes. Intura supplies made-to-measure PVC windows, doors and sliding doors for renovation and new-build projects. To obtain a quote, please provide an overview of the dimensions, the desired window layout and your preferences for glazing and colour.