10/11/25

10 Questions About PVC Windows You Wanted to Ask

1. Do PVC windows emit harmful substances when heated?
   No, if products are certified. Quality PVC is stable up to +70 °C.
2. Can I install windows myself?
   Theoretically yes, but installation errors (misalignment, poor sealing) will negate all advantages. Better to trust professionals.
3. Why does condensation appear on windows?
   Ca: high indoor humidity, insufficient ventilation, incorrect installation. Solution: ventilate, adjust compression, check drainage.
4. How to choose a reliable installer?
   Look for companies with 5+ years of experience, reviews, warranty (at least 3 years), and license. Demand a contract with clear deadlines and conditions.
5. Should I clean inside double‑glazed units?
   No — they are sealed. Clean only outer and inner glass surfaces.
6. How long do PVC windows last?
   With proper care — 25–40 years. Replace seals and hardware every 10–15 years.
7. Can I repaint PVC profile?
   Yes, but only with specialised plastic paints. Regular paint will crack quickly.
8. Why do windows squeak when opening?
   Lack of lubricant in hinges or worn hardware. Lubricate moving parts or contact service.
9. How often should I adjust compression?
   Twice a year (spring/autumn) for even seal wear.
10. What to do if air leaks from under the sash?
    Check seals (replace if elasticty lost), adjust eccentrics, ensure no frame misalignment. If problem persists — call a technician.

Knowing answers to these questions will help avoid mistakes and extend window life.