Streak-free windows: 7 professional tips
In short
- Avoid cleaning in direct sun
- Use the right squeegee technique
- Pure water beats household products
The secret to streak-free glass? Less product, purer water.
Why do streaks appear?
Streaks come from residue: too much detergent, hard-water minerals, or a cloth that smears rather than lifts. The fix is less product, cleaner water and the right tools.
7 tips for streak-free glass
- Never clean in direct sunlight — the water dries too fast.
- Use a microfibre cloth, not paper or newspaper.
- Wash from top to bottom.
- Use a professional squeegee and wipe the blade after each pass.
- Use little detergent — or pure water.
- Dry edges with a separate dry microfibre.
- Clean the frames and sills too.
When to call a professional
For large windows, verandas, conservatory roofs or hard-to-reach glass, a pro with pure-water poles delivers a flawless, safe result.
Keep reading
FAQ
Frequently asked questions
What is the best tool to avoid streaks?
A professional squeegee plus a microfibre cloth — and, above all, pure water instead of excess detergent.
Why do windows streak in direct sunlight?
The water dries before you can wipe it, leaving mineral and detergent residue. Always clean in the shade.
Get a free quote — or simply call us
Call +32 483 81 70 93 or request a free, no-obligation quote — we reply within 24–48 h, in FR, NL or EN.