InstalTancaments

PVC & Aluminium Windows Blog

Guides, comparisons and tips to choose the best windows for your home. Specialists on the Costa Brava and Girona.

5 April 2026· 16 min read

Ecoven Plus Windows: real opinions from a professional installer

Complete analysis of Ecoven Plus windows with installer opinions: S70, S76 (best-seller) and S82 Passivhaus systems. Veka profiles made in La Rioja. P…

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5 April 2026· 15 min read

Deceuninck Windows: Real Reviews from a Professional Installer

Complete analysis of Deceuninck windows with real installer reviews: Elegant system (76 mm, ThermoFibra), Zendow#neo (Passivhaus) and iSlide#neo. Pric…

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5 April 2026· 16 min read

Rehau Windows: real opinions from a professional installer

Complete analysis of Rehau windows with real installer opinions: GENEO system (86 mm, Passivhaus), SYNEGO (80 mm) and EURO-DESIGN 70. Prices, advantag…

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3 April 2026· 17 min read

Ventanas Veka: opiniones reales de instaladores y análisis completo 2026

Veka es el nº1 mundial en perfiles de PVC y el sistema que más instalamos. Analizamos sus 3 series (Softline 70, 76 y 82 PassivHaus), opiniones reales…

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23 March 2026· 11 min read

Gealan Windows: real reviews and full analysis 2026

Gealan is the German PVC manufacturer that surprises most when you discover it. Over 60 years of experience, exclusive proprietary technology and the …

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20 March 2026· 12 min read

Kömmerling Windows: Real Reviews and Complete Analysis 2026

Kömmerling is one of the most recognised PVC window brands in Spain. We analyse their systems, finishes, prices and real customer reviews after over 1…

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17 March 2026· 11 min read

The real problems of installing windows during a renovation (and how to avoid them)

Replacing windows during a renovation? We reveal the real problems nobody tells you about: conflicts between installer and builder, hidden commissions…

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16 March 2026· 16 min read

Double or triple glazing: is it really worth paying more?

Triple or double glazing? As professional installers we explain with technical data, real prices and hands-on experience when triple glazing is worth …

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15 March 2026· 13 min read

De 58mm a PassivHaus: 25 Años de Evolución en Ventanas de PVC

De perfiles de 58mm a sistemas de 82mm PassivHaus. Tres generaciones de ventanas, tres revoluciones tecnológicas. La historia real contada por un inst…

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14 March 2026· 14 min read

PVC window colours and finishes: the revolution nobody told you about

Complete guide to PVC window finishes and colours in 2026: VEKA Spectral, Kömmerling NaturKolor76, Schüco, Cortizo. A professional installer's opinion…

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14 March 2026· 13 min read

PVC Windows Are Banned — And Nobody Tells You Why

Are PVC windows really banned? We explain where this myth comes from, what the law actually says, and why in 2026 it no longer makes any sense. Opinio…

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14 March 2026· 14 min read

Acoustic Insulation in Windows: The Truth Nobody Tells You About Acoustic Glass

Been told you need the most insulating glass on the market? Discover why over-specifying acoustic glass in a renovation is wasting money, which glass …

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14 March 2026· 14 min read

Vapor barrier, thermal bridges and professional window sealing: complete guide

The vapor barrier and elimination of thermal bridges are the two pillars of professional window installation. We explain the RAL 3-level sealing, Pass…

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13 March 2026· 9 min read

Bioclimatic pergola or awning: which is better for your terrace?

Comparison between bioclimatic pergola and awning: prices, durability and when to choose each option. Advice from installers with 25 years' experience…

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12 March 2026· 11 min read

PVC Windows: Common Problems — Yellowing, Warping and More

Yellowing, warping, loss of airtightness... PVC window problems have a 70-year history. We explain what was solved, what wasn't, and why some issues a…

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11 March 2026· 21 min read

Parallel imports of PVC profiles: the hidden risk no one tells you about

PVC profiles imported from Eastern Europe are being sold in Spain that don't meet the specifications for our climate. We explain the real risks, how t…

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11 March 2026· 13 min read

Window installation cost: how much does it cost and best techniques

Installing a PVC window costs between €50 and €300 per unit. Discover the professional techniques that guarantee maximum insulation: polyurethane foam…

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11 March 2026· 12 min read

The 7 worst window installation mistakes (and how to avoid them)

A premium window with poor installation loses up to 40% of its insulating capacity. Discover the 7 most serious mistakes made by non-specialist instal…

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4 March 2026· 12 min read

Why insulation matters more in a second home than in your main residence

Everyone thinks insulation doesn't matter in a second home. After 20 years installing windows on the Costa Brava, I'm convinced it's the opposite: tha…

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4 March 2026· 11 min read

Windows in stone houses without silicone: cement and masonry finish

Silicone on stone walls looks terrible and ages worse. Our cement finish integrates the window into the wall as if it had always been there. We handle…

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3 March 2026· 16 min read

Cortizo PVC Windows: Real Reviews and Complete Analysis 2026

Cortizo PVC: the Spanish brand that competes head-to-head with German brands. We analyse their 3 systems (A 70, A 78 and A 84 PassivHaus), real review…

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2 March 2026· 12 min read

Profile Manufacturer, Window Fabricator and Installer: The 3 Roles You Need to Know

When you buy a PVC window, three different companies are involved: the profile manufacturer, the window fabricator and the installer. Understanding wh…

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2 March 2026· 11 min read

3D Full Cover Foiling on PVC Windows: What It Is and Why Choose It

3D foiling, or Full Cover, coats all three visible sides of the PVC profile — exterior, interior and rebate — completely eliminating visible white PVC…

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21 February 2026· 11 min read

Ecoven or Kömmerling: which is better for your windows?

Ecoven or Kömmerling: two highly trusted PVC window brands we regularly install on the Costa Brava and in Girona. The most important differences lie i…

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18 February 2026· 5 min read

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18 February 2026· 4 min read

Kömmerling or Schüco: Which Is the Best Window for Your Home?

Kömmerling and Schüco are two of the most searched brands in Spain. But they have very different customer profiles. We explain when to choose each one…

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18 February 2026· 5 min read

Rehau or Kömmerling: Which to Choose for Your Windows?

Rehau and Kömmerling are two of the most installed German brands in Spain. They have very similar characteristics but important differences in price a…

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7 November 2021· 13 min read

The Builder Syndrome

Are you renovating your home and have received so many quotes you no longer know which to choose? Discover why 90% of the time you end up making the w…

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8 November 2020· 7 min read

The 6 Best Passivhaus Windows

Comparison of the best Passivhaus PVC windows. Find out which brand offers the best insulation, price and certification for your home.…

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24 October 2020· 12 min read

Kitchens in Girona: best manufacturers and showrooms 2026

Complete guide to the best kitchen manufacturers in Girona and the Empordà. Comparison of showrooms, prices and styles.…

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19 September 2020· 14 min read

PVC or Aluminium Windows? The Definitive Guide 2026

PVC or aluminium? We compare both materials on thermal insulation, sound insulation, price, durability and aesthetics. Honest opinion from a professio…

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17 September 2020· 2 min read

Veka Reference Works Award PVC Windows

We have won the 1st Prize in the prestigious Veka Reference Works competition. Our PVC windows in a rustic farmhouse in Girona were selected as the be…

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15 September 2020· 11 min read

Window fly screens: complete guide to choosing the best

Everything about window fly screens: types, prices and which to choose depending on your window type and opening.…

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11 September 2020· 11 min read

Window replacement grants 2026: all available subsidies

Updated guide to all grants and subsidies for replacing windows in 2026 in Catalonia and Spain.…

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11 September 2020· 12 min read

The best glass for your window: glazing guide 2026

Everything about window glazing: types, prices and which to choose depending on your thermal, acoustic and security needs.…

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8 September 2020· 11 min read

Windows for second homes on the Costa Brava: complete guide

Everything about windows for second homes on the Costa Brava: ideal material, security and professional advice.…

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29 August 2020· 6 min read

No todo vale para vender

En más de 20 años en el sector de la carpintería he aprendido una cosa que nadie te enseña en ningún manual de ventas: saber decir que no es la habili…

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27 August 2020· 15 min read

The 6 Best PVC Window Manufacturers

IN THIS ARTICLE I WILL GIVE YOU MY LIST OF THE 6 BEST PVC PROFILES FOR YOUR WINDOWS.…

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13 July 2020· 11 min read

Best bioclimatic pergolas: complete guide 2026

Complete guide to bioclimatic pergolas: comparison of the best brands, indicative prices and professional advice for your terrace on the Costa Brava a…

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