How to Stick a Window Seal – Step-by-Step Guide

Why Window Seals Are Important

Window seals are flexible extruded profiles that fill the gap between the sash and frame, providing airtight insulation. They protect against drafts, moisture, dirt, and outside noise. Available in various shapes and sizes, some models come with self-adhesive backing for quick installation – suitable for homes, offices, vehicles, boats, and campers.

Importance of Proper Window Sealing

Windows allow light and air in but are prone to heat loss. Installing rubber window seals improves thermal efficiency, reduces condensation, and increases indoor comfort.

Benefits of Sealing Windows

Energy efficiency:
Seals prevent heat loss, lowering heating and cooling costs.

Condensation control:
They block moisture, avoiding mould and frame damage.

No more drafts:
Seals block cold air and provide stable indoor temperature.

Comfort and protection:
They reduce noise, keep out dust, insects and create a healthier indoor climate.

When to Replace a Window Seal

Weather, UV rays and time degrade seals. Signs you need a replacement:

• cracks, brittleness, deformation

• fogged or misted glass

• drafts despite closed windows

• window hard to open or close

• mould on frame or wall

• increased noise

• higher energy bills

• seals older than 5 years

How Often to Replace Seals?

We recommend replacing your window seals every 5 years or earlier if damage is visible.

Types of Seal Materials

Silicone seals:
Excellent for all-weather conditions, UV resistant, easy to colour match.

EPDM seals:
Highly durable, weatherproof, commonly used in automotive applications.

How to Install a Window Seal Properly

Step 1 – Preparation:
Choose the right seal, prepare a cutter, tape measure and cleaner.

Step 2 – Remove old seal:
Gently pull it off; use a knife if necessary.

Step 3 – Clean frame:
Remove dust, glue, and dirt thoroughly.

Step 4 – Apply new seal:
Cut corners at 45°, stick gradually while pressing evenly.

Step 5 – Check and test:
Close window, check for drafts, adjust if needed.

Where to Buy Window Seals?

At Power Rubber, we offer premium sealing solutions that resist UV, weather and temperature changes. Our window and door seals are durable and maintain insulation performance over years of use.
Contact:
Phone: +48 22 292 40 24 or +48 505 16 03 03
Email: Power@PowerRubber.com