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Answers to the most frequently asked questions about PVC windows

Articles

Answers to the most frequently asked questions about PVC windows

PVC windows are becoming increasingly popular for their insulation, durability and affordable price. However, many people still have doubts about its operation, installation or maintenance.

In this article, we gather and answer in a clear and simple way the most frequently asked questions about PVC windows, to help you make an informed decision.

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1. What is PVC?

PVC (polyvinyl chloride) is a very versatile and resistant plastic material, widely used in construction, plumbing, medicine and carpentry.

In windows, it stands out for its:

Excellent thermal and acoustic insulation
Resistance to moisture, sun and wind
Low maintenance
Long lifespan
Good quality-price ratio

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2. Do PVC windows insulate well from cold and heat?

Yes PVC windows offer a high level of thermal insulation, thanks to:

Multi-chamber profiles that prevent heat or cold transfer
Double or triple glazing with air or argon gas chamber
Hermetic gaskets that eliminate leaks

This makes it possible to maintain a stable interior temperature and reduce energy consumption.

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3. Are they isolated from outside noise?

Yes PVC combined with suitable glass provides excellent sound insulation.

Factors that influence:

Type and thickness of glass
Number of layers of glass
Profile thickness
Installation quality

In noisy areas, it is recommended to install acoustic laminated glass or asymmetric double glazing.

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4. Are PVC windows safe?

Yes Modern PVC windows can include advanced security systems, such as:

Hardware with multiple locking points
Internal steel reinforcements
Safety glass (tempered or laminated)
Child locks or anti-lever systems

Safety will depend on the model chosen and the additional accessories installed.

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5. How long do PVC windows last?

PVC windows have an average lifespan of 30 to 50 years, provided they are properly installed and basic maintenance is performed.

PVC doesn't rust, warp, or need painting. It is ideal for extreme climates and coastal areas.

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6. Do they require a lot of maintenance?

No. One of the great advantages of PVC is that it requires almost no maintenance.

You just have to:

Clean the profiles with water and mild soap
Check and lubricate hardware once a year
Clean rubber gaskets to prevent dirt or mildew

They do not require varnish or paint, and they keep their appearance for decades.

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7. Are they more expensive than aluminum or wood?

It depends. In general, PVC windows have a Intermediate price, but they offer better thermal insulation than aluminum traditional.

In comparison:

PVC: average price, very good insulation
Aluminum (without thermal break): cheaper, little insulation
Wood: more expensive, good insulation but high maintenance

In the long term, PVC windows are a cost-effective investment, helping to reduce spending on heating and air conditioning.

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8. Are they environmentally friendly?

Yes Although PVC is a plastic, today it is recyclable and manufactured under strict environmental standards.

Environmental benefits:

Long lifespan (less waste)
Low energy consumption during use
Can be recycled up to 10 times
Manufacturing with low environmental impact (free of lead and phthalates)

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9. Can they be installed in any type of home?

Yes PVC windows are suitable for:

New homes and renovations
Private homes and apartment buildings
Offices, commercial premises and even industrial areas
Bathrooms, kitchens and facades exposed to sun or rain

They adapt to different styles, sizes and colors.

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10. What to consider when choosing a PVC window?

When buying, review these points:

Number of cameras in the profile (minimum 5)
Type of glass (double or triple, Low-E, with argon gas)
Thermal transmittance coefficient (low Uw)
Hardware and opening mechanisms
Quality certifications (CE, UNE)
Professional installation and warranty included

PVC windows are a modern, safe and efficient option. If you choose the right product and have a professional installer, you will enjoy thermal and acoustic comfort, low maintenance and energy savings for many years.

If you still have questions, contact a specialist. Investing in PVC windows is investing in quality of life.

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