All About Window Cleaning Daily

What is all the fuss about uPVC Windows?

Jul 13

There seems to be a clear preference for uPVC in the window profile industry. In Europe, uPVC frames are the most common, while in China, the United States, and increasingly India, they are also very popular. Why is there a problem? Why is uPVC so unique? Why are more people becoming uPVC converts at home? And, crucially, should we join them?

Is this another example of like begets like, or is there something more to the uPVC narrative? As we all know, popular sentiment isn't always determined by logic or even real benefit. Let's look at uPVC windows' performance under three major categories: Environmental, Economic, and Material/Design/Safety to see if we can answer this.

Since uPVC windows don't release any fumes, they're considered completely safe to breathe. They are suited for clinical installations due to their durability, non-porous surfaces, and ability to be cleaned and hygienically maintained.


Energy Efficient

Energy-efficient uPVC windows are available. They have excellent insulating properties because they have a very low heat transfer coefficient (U-Value). The heat transfer coefficient, also known as the heat transfer rate, expresses how much thermal energy (heat) passes via a structure element like windows and doors.

The unit of measurement of U-Value is W/m²K (Watt per square metre by Kelvin). Today, modern profile systems can reach Uf (U-Value of frame) Values of 0.79 W/m²K resulting in U (U-Value of window) w2 Values as low as 0.63 W/m K which practically translates to excellent insulation and significantly lower energy costs.

Weather and age resistant

uPVC windows are particularly resistant to weathering and have easy-to-care and dimensionally stable surfaces, even under extreme temperature conditions. They offer additional energy-related benefits. In terms of performance, they outshine windows made of other materials.

To make the windows more resistant to sunlight and heat, certain "tropical" uPVC formulas are created for regions with high U V impact, such as India. Stabilizers are incorporated during profile manufacture to ensure that uPVC windows stay stable and sturdy.

Lead stabilizers used to be added to uPVC profile manufacturers in the past. However, since then, safety regulations have shifted dramatically, and uPVC stabilizers based on Calcium-Zinc (CaZn) rather than lead are now used by manufacturers.

The fact that uPVC profiles are completely harmless to the environment is the next advantage they provide.

Environmentally and ecologically sound

uPVC window profiles are essentially innocuous to humans and the environment in terms of health and safety. The use of lead stabilizers has already been discussed in passing. Formaldehyde, Chlorofluorocarbon (CFCs), and Polychlorinated Biphenyls (PCBs) have all been used as agents in the past.

The profiles' emitting harmful gases are now replaced by harmless substances such as Calcium/Zinc. They are suited for installation in extremely sanitized and even clinical settings due to their easy-to-clean, non-porous surfaces and hygienic properties.


The manufacturing of uPVC windows is inexpensive. As a result of this, end users may choose from a variety of cost-effective and innovative solutions since the sector is flooded with systems and variants.

Furthermore, sophisticated window systems offer substantial performance advantages at a low cost. They're tough, require little upkeep, and are very energy-efficient due to their insulation. In general, high-quality uPVC windows cost less than wooden or aluminum counterparts in terms of installation costs.


The compatibility of various components, such as main profiles and additional parts like glazing beads, extension profiles, and gaskets, is one of the most important advantages of sophisticated uPVC window systems.

At the window fabricator level, compatibility is extremely important. Even when processing window profiles with different profile depths, fewer types of various profiles need to be retained, and tool settings remain unchanged. As a result, Profile Warehousing and Handling are simplified, and Profile Costs are reduced for end users.


  • uPVC windows offer excellent sound insulation.
  • uPVC windows are fire-resistant, do not have a fire-accelerant effect and are self extinguishing outside the flame.
  • uPVC windows are resistant to termites, will never rust, rot or corrode.
  • uPVC windows can be cleaned easily with normal dish-washing liquid.
  • uPVC windows provide protection against burglary.
  • uPVC windows can be produced with coextruded gaskets, their sealing will fit excellently.
  • uPVC window profiles can be lacquered, laminated with décor foils or covered with aluminium shells.
  • uPVC window profiles can be bent. Arched and even round uPVC windows are possible.
  • uPVC windows can be installed both in new buildings and in renovation projects.

As can be seen, the many advantages and benefits of the uPVC window over its counterparts are what seem to be driving the swing towards it. Its overall versatility, cost effectiveness and durability all combine to make it the material of choice of window profile manufacturers and consumers alike.

And, judging by the present trend, this preference for uPVC windows seems to be set to grow even more in the future. Returning to where we started, undecided whether or not to jump on the bandwagon, the best way to express where we are now is this: Popular sentiment appears to have gotten it just right on this occasion at least. It's time to go!

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