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Cold rooms with the heating on continuously are quickly noticed. The correct conclusion: leaky windows. In the second step, however, you must first find the leaky spots. Often, they are only a few millimeters wide cracks that are hardly noticeable. With this simple trick, you can quickly find the leaky problem spots.

Close all windows and doors and light a candle (you can also use a lighter). Now guide the candle or lighter along the window frames and watch the flame. You recognize leaky spots when the flame starts to flicker.

Once the leaky spots have been discovered, you can quickly and easily seal these windows.

Since there are many different types of windows, we have developed just as many variants of window seals. So you always find the right seal for your windows.

Basically, our different seals differ in two aspects. On one side, the seals have different materials. There are rubber seals, silicone seals, and foam seals. Additionally, the size of the leaky spots is an important factor. You will find seals for smaller cracks, i.e., between 1 - 3.5 mm. But we have also developed the right seals for larger spots up to 7 mm.

Finding the right window seal:

• The All-rounder - tesamoll® Premium Flexible: Our universal solution for sealing windows fits (almost) every window and every leaky spot. This window seal is suitable for cracks between 1 - 7 mm wide and has a durability of 15 years.
• The foam seal - tesamoll® STANDARD I-Profile: With this foam window seal, you can easily seal your windows. The I-profile window seal is suitable for cracks with a width of 1 - 3.5 mm.
• For small cracks - tesamoll® E-Profile Rubber Seal: Do you have only a small leaky spot on the window? Then our sealing tape is the right choice for you. With the E-profile, smaller cracks (1 - 3.5 mm) can be sealed.
• For large cracks - tesamoll® P-Profile Rubber Seal: For larger leaky spots, the P-profile rubber seal helps you properly seal your windows. The window seal is suitable for gaps between 2 - 5 mm wide and can be easily mounted.

Of course, you can use our seals not only for windows but also for your doors. The self-adhesive side of the window seals ensures easy installation. Some window seals are available in different colors or sizes. Alternatively, you can also cut the sealing tapes individually.

There are, of course, other methods to seal your windows. Some windows can also be sealed with acrylic and silicone. For this, the old sealing compound should first be removed with a spatula. Then the gaps on the window must be thoroughly cleaned. After that, you can apply the new sealing compound with a cartridge gun and later smooth the gap with a joint smoother or damp cloth. Now you can attach the new seal with the foil and close the window. After at least two hours, the seal is dry and the foil can be removed. This alternative method is significantly more complex compared to our sealing tapes. If you have little or no manual skills, tesa® window seals are excellent for quickly and easily sealing windows.

You can quickly and easily install our window seals. With just a few steps, your windows are sealed. The stress due to cold drafts and high costs is forgotten. Our seals are generally self-adhesive, so you only need to stick the sealing tape to the leaky spot.

Leaky windows are exhausting and can ruin the household budget in the worst case. It is all the more important that the new seals last for a long time. Thanks to the high-quality tesa® adhesive technology, you will find the minimum durability indication on our window seals. Generally, our window seals last for 4 to 8 years. With our tesamoll® Premium Flexible, you have protection against leaky windows for at least 15 years.

The main advantages of sealing your windows:

• A warm apartment (and protection against mold): The obvious advantage is, of course, the pleasant and warm temperature in the rooms. Additionally, you protect your apartment from potential mold infestation.
• Lower energy costs: The costs for energy and heating can also be significantly reduced by sealed window frames. The heating is less active because the warmth cannot escape through leaky spots.
• Protection against noise and dust: Furthermore, a high-quality and undamaged seal protects against noise and dust. Sealed windows can reduce outside noise.