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Window & door seals — compare companies on OKNA.ua
A seal (gasket) is the elastic contour around the sash and frame that presses shut when the window closes and keeps cold, draughts, dust, moisture and noise out of the home. Over time the rubber dries out, hardens and cracks — the window starts to let draughts through, fog up and hold heat poorly. That is usually the sign it is time to replace the seal. On OKNA.ua you compare offers from verified companies across Ukraine that select, supply and replace seals for metal-plastic windows and doors. Choose a company in the catalog on this page — by price, rating and lead time — and leave it a request. Profile selection, measuring and seal replacement are carried out by the company you choose.
Types of seals — which to choose
Seals differ by material, profile shape and colour. The key is matching the profile type to your windows (the gasket groove differs between systems — REHAU, VEKA, WDS, KBE, Salamander and others). Below is what to look at; the exact profile and price for your windows will be advised by the chosen company.
By material
- EPDM (synthetic rubber) — the most common for windows and doors: resistant to frost, heat and UV, does not crack and keeps its elasticity for many years. The best balance of price and durability.
- TPE (thermoplastic elastomer) — a modern material that holds its shape well; often supplied as the factory seal on new windows.
- Silicone — withstands the widest temperature range and does not harden in frost; chosen for demanding conditions, but costs more.
- Rubber — the classic budget option; lasts less than EPDM and needs periodic replacement.
By position
- Sash and frame seal — the main contour responsible for the window's airtightness.
- Centre / mid seal — an extra contour in some systems for better thermal and noise insulation.
- Glazing-bead seal — holds and seals the glass unit in the sash.
By colour
- Most often black, universal for most systems; grey and white are also available to match the profile and laminated windows.
Not sure which seal profile your windows use? Add a photo of the groove or a sample of the old gasket to your request — and the company will match an exact equivalent.
How much a seal and its replacement cost
A seal is an inexpensive material: it is priced per linear metre or sold in coils and ready window sets. The final sum depends on the profile type (EPDM, TPE, silicone), the brand, the colour and the total contour length, and if replacement is needed — also on the number and size of sashes. So companies calculate the cost individually for your windows. The exact price of the seal and its replacement is quoted by the chosen company — compare the offers in the catalog on this page.
If the window already lets draughts through badly, seal replacement often goes together with hardware adjustment — that is window repair. And if the problem is the window itself, go to the metal-plastic windows or doors section.
When it is time to replace the seal
- The window lets draughts through; cold comes from under the sash even when closed.
- Condensation appears on the glass and reveals, and mould in the corners.
- The rubber has hardened, cracked or flattened and no longer springs back.
- The room has become noisier from the street — sound insulation has dropped.
- Many years have passed since the window was fitted and the seal has never been changed.
Why people look for seals on OKNA.ua
- Compare offers from many companies. OKNA.ua gathers offers from window companies and repair technicians across Ukraine — you compare types of seals, prices and lead times and choose the best option.
- A catalog of companies in one place. Compare by price, rating and lead time and choose who to leave a request with — instead of calling each one separately.
- Correct profile matching. The company matches the seal to your exact system (REHAU, VEKA, WDS, KBE, etc.) so the gasket sits in the groove and presses airtight.
- Measuring and replacement from the chosen company. The chosen company's technician comes out if needed, removes the old gasket and fits a new one along the whole contour, adjusting the hardware where necessary.
- Transparent prices and warranty. You see "from" prices from different companies and choose by cost and lead time; the warranty on the work and material is provided by the chosen company.
How to order a seal or its replacement
- Choose a company in the catalog on this page — by price, rating and lead time.
- Leave it a request (the profile system or a photo of the old gasket, approximate length or number of windows, desired material and colour) — a representative will get in touch, take measurements if needed and quote an exact price.
- The chosen company supplies the seal and, on request, carries out the replacement on a day that suits you.
Window & door seals in your city
Questions and answers
How much does a window seal cost?
A seal is an inexpensive material: it is priced per linear metre or sold in coils and ready window sets. The price depends on the profile type (EPDM, TPE, silicone, rubber), the brand, the colour and the total contour length, and if replacement is needed — also on the number and size of sashes. So companies calculate the cost individually for your windows. Choose a company in the OKNA.ua catalog and leave a request — and you will get an exact quote for the seal and its replacement.
Which seal is better — EPDM, TPE or silicone?
EPDM (synthetic rubber) is the most common choice for windows and doors: resistant to frost, heat and UV, does not crack for a long time, the best value. TPE holds its shape well and often comes as the factory seal on new windows. Silicone withstands the widest temperature range and does not harden in frost, but costs more. Rubber is the cheapest but lasts less. The chosen company will help match the material to your windows and climate.
How can I tell the seal needs replacing?
The main signs: cold comes from under the closed sash and the window lets draughts through; condensation appears on the glass and reveals and mould in the corners; the rubber has hardened, cracked or flattened and no longer springs back; the room has become noisier from the street. If the window is many years old and the seal has never been changed, it is worth renewing it even as a precaution before winter.
Can a seal be matched specifically to my windows?
Yes. The gasket groove differs between systems (REHAU, VEKA, WDS, KBE, Salamander and others), so the seal profile has to be matched to yours. The easiest way is to add a photo of the groove or a sample of the old gasket to your request, and the company will match an exact equivalent that sits in the groove and presses airtight.
What colours do seals come in?
Most often seals are black — the universal colour for most window systems. Grey and white seals are also available to match the profile and laminated windows. The colour is matched to your window; it does not affect airtightness.
Do you take measurements and replace the seal?
OKNA.ua is a platform: measuring and replacement are carried out by the company you choose from your request. Its technician comes out if needed, removes the old gasket, fits a new one along the whole sash and frame contour and adjusts the hardware where necessary so the window presses tightly. For a preliminary estimate you can give the profile system and the number of windows, and the company will quote the exact price after inspection.
