Guides & Legislation
Practical guides and legislation for windows: permits, owners association approval, energy certificate, subsidies and funding programmes.
The paper sheet test: find out yourself where the air enters
The simplest airtightness test: with a sheet of paper you find out in 2 minutes exactly where air enters around your window. A step-by-step guide on how to do it, how to interpret the result and which solution fits you.
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How to adjust Roto hardware for winter/summer mode with an Allen key
Draught or whistling at the window? Often it is solved with a Roto hardware adjustment, not new parts. A step-by-step guide: how to identify the cams, how to correctly read the mark for winter/summer mode and how to check the result.
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Can I replace windows in an apartment block without the association’s approval? What Law 196/2018 says
In most cases you can replace windows in an apartment block without the association’s approval, if you keep the appearance. A clear guide on when approval is needed, why the façade is common property and what you risk if you modify it, under Law 196/2018.
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Do I need a building permit to replace windows in 2026? What Law 50/1991 says
In most cases, replacing windows does not require a building permit. A clear guide on when you can replace windows freely, when the permit becomes mandatory, what façade modification means and what fines you risk under Law 50/1991.
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A building’s energy certificate: what it is, what components it has and the role of windows
The energy performance certificate classifies a building from A to G. Find out what it is, what components it consists of (envelope, technical systems, renewable sources) and how the windows’ Uw coefficient directly influences the energy class and the home’s value.
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Window subsidies 2026: PNRR "Energy Efficient Home" and which programme covers joinery
Which funding programmes can you access in 2026 for window replacement? Complete guide on PNRR "Energy Efficient Home", available amounts, the two axes, the distinction from Casa Verde and the documents needed for the application.
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How Long Do PVC Windows Last? Signs They Need Replacing + Real Lifespan
How long do modern PVC windows last and when is it time to replace them? Complete guide with real component lifespan, 7 clear wear signs, repair vs replacement profitability calculation and preventive maintenance tips.
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Construction Products Legislation 2026: What Changes in Romania and the EU
Complete guide to the 2026 legislative changes for construction products: the new European CPR 2, digital Performance Declarations, mandatory CE marking, nZEB requirements and what to check when buying windows or doors in Romania.
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