Multi-Point Locking Mechanism
One handle locks at up to 14 points around the frame - hermetic seal.
Read moreFunctionality, Security & Maintenance
Your investment doesn't end with installation - it has just begun. Ensure anti-burglary protection, learn maintenance secrets that extend lifespan for decades, and discover DIY upgrade solutions.
Multi-Point Locks & Hardware
If the hardware is substandard, the window under-performs. Components that bear weight, seal hermetically and deliver silent operation.
Visible vs Concealed Hinges
Minimal aesthetics with no visible hinges, supporting 150+ kg.
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Handles: Secustik Technology
Anti-tamper ratchet mechanism blocks external manipulation - optional key lock.
Read moreLift & Slide Mechanisms
A child can smoothly slide a 300 kg glass door - the engineering behind the magic.
Read moreDoor Closers & Panic Bars
Strict fire-safety requirements for apartment blocks, retail and emergency exits.
Read moreWhy the window drags: Correct glazing shimming
Plastic packers distribute glass weight to the hinge - preventing sash drop.
Read moreAnti-Burglary Protection (Security)
The number-one concern for ground floors and detached houses. Modern technology creates a true shield.
RC1 to RC6: What do they withstand?
How long and what tools each class resists - RC2/RC3 recommended for homes.
Read moreMushroom Cams vs Standard Roller Locks
Mushroom-shaped locks engage the keep - impossible to lever open.
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Aftermarket Locks for Sliding Windows
Double-locking bolts and clamps - armour old sliding units at low cost.
Read moreMagnetic Contacts: Flush or Surface?
Invisible window-to-alarm connection - factory-embedded in the profile.
Read moreChild Safety: Ventilation without fall risk
Tilt-First system: tilting free, full opening locked with a key.
Read moreSecurity Cylinders & Door Defenders
Protecting the front-door barrel against snapping and drilling.
Read moreMaintenance & Cleaning
Ensure longevity with simple cleaning routines and regular maintenance you can do entirely yourself.
Annual Maintenance (DIY 3 steps)
Lubricate mechanisms, clean tracks, check drainage.
Read moreEPDM Gasket Care with Silicone Spray
Annual spray keeps seals soft and elastic - prevents cracking.
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Profile Cleaning: What to avoid
Bleach and wire wool destroy powder coating - use only neutral soap.
Read moreBlocked Drainage Slots: Troubleshooting
Mud blocks weep holes - clear with a wire or straw.
Read morePaint Chalking on old aluminium
Can the gloss return? Specialist polishes and wax restorers.
Read moreStuck Protective Film: Safe removal
Heat gun and WD-40 - peel without scratching the profile.
Read moreUpgrading & Repairing Old Windows
Lower-cost solutions and smart intermediate steps before full replacement.
Glass-only upgrade: Is energy glass worth it?
When the old profile can handle double glazing - real-world savings.
Read moreReplacing rollers on old sliding windows (DIY)
The patio door glides like new - sash removal and roller replacement.
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Replacing worn gaskets & brush seals
The cheapest fix to stop draughts - finding the right gasket profile.
Read moreConverting casement to tilt-and-turn
Is it feasible? Changing the mechanism and adding a tilt scissor arm.
Read moreHand-painting old aluminium: Facts & myths
Metal primers, 2K polyurethane paints - how long do they actually last?
Read moreWhy windows "sweat" in winter
The physics of condensation, the dew point, and 4 ways to stop the "sweat" for good.
Read moreWhen repair ISN'T worth it: The 5 signs
Cumulative repair cost + energy losses > price of a brand-new window.
Read moreMain windows & doors guide
Return to the full guide covering materials, types, glazing and energy.
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