
Gasket Replacement
Professional gasket replacement using German foam polyurethane gaskets eliminates unwanted drafts, protects windows from moisture, and reduces heating costs.
FREE
Diagnostics of all windows
Fast
Arrival and work performed
Warranty
For all work performed
Window Gasket Replacement
Windows not only bring in light, but they also help retain heat, making them essential for home comfort. If you start noticing cold drafts, feel a chill, or see condensation inside the glass, it could be a sign that your window gaskets have worn out and are no longer working effectively. Replacing window gaskets quickly and efficiently restores insulation, improves comfort, and helps reduce heating costs.
Replacing worn window gaskets helps your windows hold in heat better, insulate against noise, and extend their lifespan. It's a smart investment in home comfort.
Why is window gasket replacement necessary?
Airtight gaskets protect your home from cold air, dust, noise, and moisture. When they wear out, windows no longer perform their function, which leads to:
- higher heating costs;
- drafts, noise, and uncomfortable indoor climate;
- condensation and mold around windows;
- dust and odors entering inside.
That's why gasket replacement is one of the simplest and most effective ways to care for your windows and home insulation.
When should window gaskets be replaced?
Window gaskets typically need to be replaced every 7-10 years, depending on their use and condition. They are one of the most important elements ensuring window airtightness in plastic, wooden, or aluminum windows.
Gaskets most often wear out due to:
- seasonal temperature changes;
- sunlight and UV exposure;
- moisture;
- constant window opening and closing.
Recognizing worn gaskets is easy: they lose elasticity, crack, peel off, and cold air passes between the frame and sash. Due to leaky windows, up to 15-20% of room heat can be lost, so timely gasket replacement helps effectively save heating costs, especially during winter.
Professional window gasket replacement for all window types
Our technicians perform gasket replacement for:
- plastic windows
- wooden windows
- aluminum windows
- balcony and terrace door structures
We use only high-quality sealing materials adapted to the local climate. We select gaskets according to the specific window profile to achieve maximum airtightness.
Why choose gasket replacement instead of new windows?
New window replacement is a more expensive and complex process, so in most cases, when frames and hardware are in good condition, it's enough to replace the gaskets for windows to be airtight again.
It's a smaller investment, work is done quickly, and the result lasts a long time. In short, it's a simple and effective way to renew window functionality without the need to replace the entire window system.
Why choose us?
We are professionals in our field and want you not to worry about any details. We'll come, assess the situation, and provide the most suitable solution for you - without any surprises or additional headaches.
It's worth choosing us because:
- The visit costs nothing.
- Upon arrival, we assess what work is needed and how much it will cost.
- We respond quickly, contacting you as soon as we receive your request.
- If we can, we come the same day.
- We usually fix everything right away during the first visit.
- We provide a 5-year warranty on our work.
- We work throughout the country.

FREE DIAGNOSTICS AND TECHNICIAN VISIT
We serve Vilnius, Kaunas, Klaipėda, Panevėžys, Šiauliai and all of Lithuania
Certified Technicians
Professional reliability you can trust
Work Done the Same Day
Quick response when you need it most
Guarantee
Up to 5 years
Transparent Prices
Competitive prices
Window and Door Repair Services
Professional solutions for all your window and door needs
Premium Quality Accessories and Solutions
Enhance your windows and doors with high-quality components for superior functionality and comfort
Windows and Doors We Repair
We repair plastic, wooden and aluminium windows and balcony doors throughout Lithuania
What Our Clients Say
Real feedback from our satisfied customers
"Incredibly professional and fast service. The technician fixed our window in under an hour. Highly recommended!"
"Great communication and transparent pricing. The quality of work was excellent. Very happy with the result."
"The team was punctual, polite, and very knowledgeable. They explained the issue clearly and fixed it efficiently."
"Fantastic service from start to finish. I will definitely use them again for any future window or door repairs."
Why Choose Us?
The advantages of working with our team of professionals

FREE Diagnostics & Visit
No-cost initial assessment to identify the problem.

Work Guarantee
We provide up to a 5-year warranty.

Fast Arrival
Our technicians arrive promptly to address your needs quickly.

On-Site Repairs
99% of repairs can be completed during the first visit.

Tidy Work Area
We respect your home and always leave our workspace clean.

All Profiles & Brands
We work with all types of window and door profiles and manufacturers.

Convenient Payment
Pay by card, cash, or we can issue an invoice.

Satisfied Clients
Our goal is your complete satisfaction with our work.
Meet Our Skilled Technicians
Expert professionals with years of experience
Andrius
Senior Technician & Team Lead
Coordinates the team and ensures the highest quality of service
Evaldas
Technician-Specialist
Ensures your windows and balcony doors operate smoothly
Justas
Technician-Specialist
Ensures your windows and balcony doors operate smoothly
Robertas
Technician-Specialist
Ensures your windows and balcony doors operate smoothly
Martynas
Technician-Specialist
Ensures your windows and balcony doors operate smoothly
Edgaras
Technician-Specialist
Ensures your windows and balcony doors operate smoothly
Marius
Technician-Specialist
Ensures your windows and balcony doors operate smoothly
Saulius
Technician-Specialist
Ensures your windows and balcony doors operate smoothly
Completed Window Repair Projects
See the quality of our work through real transformations
Glass Unit Replacement
Replacement of selective double and triple glazing units to improve energy efficiency or remedy glass breakage
Hardware Renewal
Complete mechanism renewal with modern hardware
Window and Balcony Door Sealing
Sealing the gaps between the window sill and the window frame to reduce heat loss and air leakage
Mechanism Cleaning and Lubrication
Complete mechanism replacement with modern multi-point locking system
Gasket Replacement
Replacement of old seals with polyurethane foam that remains stable and does not react to temperature changes, whether in winter or summer.
Hinge Replacement and Adjustment
Replacement of worn hinges and adjustment of window and door hardware to ensure smooth operation and a tight seal.
Window Repair Across Lithuania – Choose Your City
We work in all major cities, their districts and surrounding towns
Window Repair Across Lithuania
We provide window repair services across Lithuania – working in all major cities, their districts and surrounding towns. We perform plastic window repair, window fixing, window adjustment, window sealing and gasket replacement, ensuring tightness and long-lasting results.
👉 In about 99% of cases we solve the problem on the first visit, and the technician's call-out and full window diagnostics are free of charge.
Window Repair in Vilnius
We perform window repair in Vilnius throughout the city and Vilnius district – in Antakalnis, Fabijoniškės, Pašilaičiai, Pilaitė, the city centre and other Vilnius districts as well as surrounding towns. We solve sealing, adjustment and mechanical issues, carry out plastic window repair and glass unit replacement. We also provide window adjustment and window sealing.
👉 Most often we handle everything on the first visit, and the call-out and window inspection cost you nothing.
Window Repair in Kaunas
We perform window repair in Kaunas and Kaunas district – working in Šilainiai, Dainava, Eiguliai, Žaliakalnis, the city centre and other districts as well as surrounding towns. We fix leaking, stuck or misaligned windows, carry out plastic window repair and gasket replacement. We also provide window adjustment.
👉 In about 99% of cases we solve the problem on the first visit, and the technician's call-out is free of charge.
Window Repair in Klaipėda
In Klaipėda we perform window repair throughout the city and Klaipėda district – both in the city itself and in Gargždai and other surrounding towns. Due to the coastal climate, window sealing and window adjustment are often needed, so we help restore window tightness, eliminate drafts and improve home comfort.
👉 We come out free of charge, assess the situation on site and most often solve the problem right away.
Window Repair in Šiauliai
We provide window repair services in Šiauliai and Šiauliai district – working in Dainiai, Gytariai, Lieporiai, the city centre and other districts as well as surrounding towns. We carry out plastic window repair, window adjustment and window sealing, quickly resolving both minor and more complex faults.
👉 Most often we handle everything on the first visit, and the call-out and diagnostics are free of charge.
Window Repair in Panevėžys
In Panevėžys we perform window repair throughout the city and Panevėžys district – working in Kniaudiškės, Rožynas, Pilėnai, the city centre and other districts as well as surrounding towns. We carry out plastic window repair, window adjustment and gasket replacement, ensuring quality and long-lasting results.
👉 We come out free of charge and most often solve the problem on the first visit.
Do we cover your area? Check now
We work with
Original window parts only from trusted manufacturers — that's why we can offer up to 5 years warranty
Frequently Asked Questions
Common questions about window gasket and seal replacement services
- We install only German-made gaskets manufactured from polyurethane foam. They ensure window sealing throughout the year, do not react to temperature changes from -40°C to +100°C, so they stay in place, and seasonal window adjustment becomes unnecessary. The manufacturer provides a 5-year warranty.
- Yes, in most cases gaskets are replaced immediately upon arrival. This saves time and ensures quick completion of the work.
- Yes, the price for window gasket replacement depends on several factors: window size, gasket length, profile type, as well as whether the gaskets are glued, welded, or of another type.
- The price includes: gasket material, labor, removal of old gaskets, sealing inspection, window condition assessment, and recommendations for further maintenance.
- Plastic window gasket replacement is performed in several steps: first, old gaskets are removed, then the window surface is thoroughly cleaned. After that, new gaskets are installed, and the work is completed with a sealing inspection.
- Plastic window gaskets typically need to be replaced every 7-10 years. If you notice drafts, condensation on the glass, or gaskets that have lost elasticity – these are clear signs it's time to replace them.
- Window sealing rubbers are special gaskets attached to the window sash or frame that ensure a tight window seal. They protect against drafts, moisture, noise, and cold entering the premises.
- Yes. Wooden window gaskets often differ in shape, material, and installation method, so it is important to choose the right solution for the specific window system.










