We check, adjust and make the window airtight. A new window may not be needed.
We check the seal, closing pressure and the window's condition. If it's a worn seal or poor closing, we replace the seal and adjust the window. Our main area is Tallinn and Harjumaa, and across Estonia if needed. One sash, about half an hour.
A draughty window? First, locate the leak
Window seal replacement is our main service. We replace worn gasket runs on uPVC windows and balcony doors, select the profile and check closing pressure. The location of the leak helps distinguish a worn gasket from a different repair.
Cracked or hardened gasket
Air passes between the sash and frame, and the gasket is damaged or does not recover its shape. We check the profile and replace the worn seal run.
A leak between the wall and frame involves the installation joint. We inspect the joint and reveals; replacing the sash gasket alone will not repair it.
Moisture inside a sealed glass unit is different from condensation on the glass surface. We inspect the glass unit; surface condensation also requires checking ventilation and humidity.
One call or message. Describe in a couple of sentences what's wrong with the window and we'll agree on a time.
2
We check on site
We come and inspect the whole window: seal, closing pressure, hardware. We tell you honestly what the problem is and what will help.
3
We fix the window
We replace the seal, adjust or repair the hardware. The window stays in place, the glass unit stays in. One sash takes about half an hour.
4
We check the result
After the work we check that the window closes evenly and the draught is gone. We give a warranty on the work done.
Honest about price
What's included and what the price depends on
Adjustment is €20 per window sash; seal replacement is €7/m or €10/m for a recessed seal, including material and labour. The total depends on the work required and quantity. Call-out and travel are charged separately according to the price list.
Always included
On-site check of the window's condition
Honest assessment of the real cause
Price before the work starts
Removal of the old seal and cleaning the profile
Adjusting the closing pressure after the work
Warranty on the work done
Affects the price
Number of sashes and window profile
Whether a seal, hardware or glass unit is needed
Availability of hardware parts
Distance from Tallinn
Urgency of the work
About us
A window is our craft.
AknaOnu. A window sealing, adjustment and repair team in Tallinn and Harjumaa. Schlegel Q-Lon seals, hardware, glass units and an honest approach. We check first, say honestly what's wrong and do only what will help.
€7/m
Seal replacement
material and labour
~30min
One sash
Window stays in place, glass unit stays in
€35
Tallinn call-out
The first call-out in Tallinn is €35; travel outside Tallinn is €0.50/km for the total distance. We agree visit terms in advance.
Q-Lon
Material
Schlegel polyurethane seal
Q-Lon
We use Schlegel Q-Lon seals
Q-Lon is a Schlegel composite seal with a polyurethane foam core, polyethylene skin and stabilising carrier. The manufacturer publishes recovery and weathering test data. The right profile and installation are essential for a well-sealed window.
Polyurethane, not ordinary rubber
Doesn't harden in the cold, doesn't crumble
Tested weather resistance
Seals properly, the draught goes
Resilient polyurethane foam core
Fitted evenly along the whole frame
Gallery
Examples of completed work
Real photos from our jobs. Click a photo to open.
Service area
Where we work
Window sealing, adjustment and repair in Tallinn and across Harjumaa.
Often yes, especially if the window is over 10 years old and the seal has never been replaced. But not always. First we check whether the cause is the seal, the closing pressure or something else. If the seal won't help, we say so before the work, not after.
Seal replacement costs €7/m, or €10/m for a seal recessed into the frame. Material and replacement labour are included. We count the actual length of every seal run being replaced. The call-out fee is separate.
No. The window stays in place, the glass unit stays in. The work is done on site, replacing one sash takes about half an hour.
Q-Lon is a Schlegel composite seal with a polyurethane foam core, polyethylene skin and stabilising carrier. The manufacturer publishes recovery and weathering test data. The right profile and installation are essential for a well-sealed window.
Sometimes yes, sometimes no. Condensation forms when warm air meets a cold surface. Poor sealing can worsen it, then sealing helps. If the main cause is humidity, ventilation needs improving first.
In Tallinn and Harjumaa usually within a few days. Describe the problem and we'll tell you the earliest we can come.
We'll get your window sorted
Describe the problem or call. We come out, check the whole window and tell you honestly what will help.
We help with both material and replacement of worn seals. Q-Lon material alone is €4.50/m. Replacement including material and labour is €7/m or €10/m for recessed seals; the 50% material discount is already included in that total. Call-out is separate.
The call-out fee is added to labour charges: first visit in Tallinn €35, repeat visit €10. Outside Tallinn, travel is €0.50/km for the total distance travelled; call-out terms are agreed before the visit. We confirm the total before work starts.
Q-Lon
