Why Windows in Older Kaunas Apartments Need More Maintenance

Why Windows in Older Kaunas Apartments Need More Maintenance

Picture this: you buy a flat in an older Kaunas apartment block. At first glance the windows look fine, but once the heating season starts you feel a draught in one spot and the handle moves harder than in the next room.

In situations like this, window repair in Kaunas shouldn't start from swapping parts at random. First it's worth establishing whether the sash position has shifted, compression has weakened, hardware or seals are worn, or whether the installation or opening geometry is amplifying the problem.

In older apartment blocks, windows have often been replaced at different times, so even within the same building the profiles, hardware, installation quality and service history can vary. Because of that, window adjustment in Kaunas is not a uniform "standard setting" — the specific window and its condition have to be assessed first.

Kaunas has a lot of large Soviet-era residential districts — Dainava, Kalniečiai, Eiguliai, Šilainiai — designed and built between the 1960s and the 1980s. But the building's age alone doesn't tell you what state the windows are in: what matters more is when they were replaced, how they were installed and how they've been maintained.

Quick summary

Living in an older apartment block? Start by checking:

• whether the sash doesn't catch on the frame and closes without extra force,

• whether compression feels similar around the whole sash perimeter,

• whether the seals are elastic, uncracked and haven't popped out of the groove,

• whether the room has enough air exchange and no condensation is building up on interior surfaces.

If several symptoms appear together, it's worth assessing the whole window assembly — sash position, hardware, seals and installation zone — instead of fixing just one symptom.

What kind of buildings we mean

This article focuses on older Kaunas apartment blocks, especially buildings from Soviet-era residential districts. Dainava, Kalniečiai, Eiguliai and Šilainiai took shape across different decades, so there is no single universal "old windows" situation across them.

It's important to separate the age of the building from the age of the window itself. One building may contain original wooden windows, PVC windows fitted a dozen or so years ago and units replaced just recently. So the year the house was built alone can't tell you a window needs repair.

In practice, what matters is not the building label but concrete signs: whether the sash holds the right position, whether the hardware moves smoothly, whether the seals stay tight and whether the joint between window and wall shows no obvious defects.

Why maintenance may be needed more often

The first reason is service life and maintenance history. Window hardware contains moving and locking elements that manufacturers recommend checking and lubricating periodically. If maintenance has been skipped for a long time, a heavier handle or uneven closing doesn't necessarily mean the whole window needs replacing.

The second reason is sash position. If the sash starts touching the frame when closing, catching on hardware or only closing with a lift of the hand, alignment and hardware operation are the first things to check. In such cases professional window adjustment can restore correct movement without unnecessarily swapping parts.

The third reason is seals. They need to stay elastic and press evenly. A hardened, cracked or dislodged seal can worsen airtightness, but a draught alone doesn't prove the seals are the cause. When the question of gasket replacement comes up, compression and sash position are worth checking too.

The fourth reason is ventilation. Replaced windows are usually tighter than the old ones, so air exchange becomes especially important in a naturally ventilated flat. Condensation on the inner glass or reveal may be linked to humidity and insufficient ventilation and shouldn't automatically be treated as a window fault.

Where to look first

Diagnostics is worth starting from a symptom rather than from a pre-chosen repair. If the handle moves hard — check sash position, hinges and locking points. If a draught is felt — assess compression, seal condition and the joint. If condensation builds up — ventilation conditions get assessed alongside.

This order helps separate an adjustment, hardware or airtightness problem from an installation-zone defect. Lithuanian building technical regulations also treat installed window properties as a separate system to inspect, so the window profile name alone isn't enough for a diagnosis.

When symptoms recur after an earlier adjustment, it makes sense to check not just the hardware settings but also whether the frame itself is fixed stably, whether the sash isn't deformed and whether there are other reasons the position keeps shifting.

What it looks like in practice

In practice you meet windows that have already been adjusted but started catching again after some time. In that case simply repeating the same adjustment isn't enough — sash position, hinges, locking points, fastening and other signs that could explain the recurring issue need to be checked again.

If it turns out the window's geometry and hardware allow the position to be corrected, adjustment is done according to actual sash travel and compression. If a worn or damaged element is visible, only then is repair or replacement of that element decided.

Common client mistakes

The first mistake is deciding straight away that new windows are needed. A stiff handle, a sash catching on the frame or uneven compression usually call for diagnostics first. Replacement is only worth considering once a structural defect or an economically unjustified scope of repair is found.

The second mistake is automatically blaming the seals for a draught. The feeling of a leak can come from their condition, but also from insufficient compression, sash position or the joint between the window and the wall.

The third mistake is adjusting complex hardware "by eye". Hardware manufacturers' instructions call for regular condition checks and for certain adjustments to be trusted to a qualified specialist.

When it's worth calling a technician

Clear signals: the sash touches the frame, the handle moves unusually hard, closing needs extra force, air comes through a closed window, seals are damaged or the same fault sign returns quickly after an earlier adjustment.

In such cases professional window service is useful because mechanics, airtightness and the installation zone can be assessed at the same time, rather than swapping parts by trial.

Before calling a technician, check

In a few minutes you can gather useful information for diagnostics:

1. Check which part of the sash is catching and whether the symptom appears only when opening or when closing too.

2. Compare several windows in the same flat — handle travel, the feel of compression and the state of the seals.

3. If condensation builds up, note when it appears and whether trickle vents or other ventilation devices are working.

4. If you know, note the year the windows were installed and when hardware was last serviced or adjusted.

This kind of information helps to establish faster whether adjustment, hardware repair, sealing work or a deeper check of the installation zone is required.

After the inspection it should be clear not only what to fix, but also why the problem appeared. That's especially important when the same symptom has already recurred before.

We'll assess your Kaunas apartment windows free of charge and suggest the most suitable solution.