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Guides and trends on windows
Practical advice, honest comparisons and technical know-how from people who have been making and fitting windows for more than 21 years. What you need to know before you decide.
Featured
Featured · Trends
Timber or PVC? Window market trends in Portugal 2025-2026
We compared cost, efficiency, durability and resale value so you can decide on data, not guesswork.
All articles
Timber
Timber windows: the new generation for demanding projects
Stable laminated timber, Saint-Gobain glass and European hardware: modern timber is nothing like the timber of the past.
Systems
Naturo 80: the new benchmark in high-performance timber windows and doors
80 mm of profile, triple glazing and Uw down to 0.8 W/m²·K. The system that defines the top of the timber range.
Timber
Timber sash windows: the classic that came back
Historic looks, modern performance: everything about sash windows for renovation and buildings with character.
Technical guide
How to care for your timber windows after installation
A simple maintenance calendar that keeps timber frames immaculate for decades.
Installation
Window installation in Portugal: the SKLO standard
From laser measurement to the final seal: the protocol behind airtightness, comfort and a ten-year guarantee.
Behind the scenes
Inside production: how we guarantee technical excellence
Two factories, quality control at every stage and CNC technology. The journey of a profile to your house.
Architects
Project coordination for architects in Portugal
Technical specification, schedules of openings, lead times and support on site. How we work alongside architecture practices.
Guide
SKLO catalogues: how to choose the right windows for your project
Material, system, glazing and hardware: a step-by-step route through our catalogues so you can decide without doubts.
PVC
PVC windows: the complete guide to prices, profiles and efficiency
Everything you need to decide before buying, explained by people who have been making windows for over 20 years.
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