I need two blog articles written for a secondary glazing company

Num. of articles: 2
Words per article: 500
Information for the blog/website: Secondary Glazing Specialists
Topic: Looking for interesting suggestions please
Tone: Formal/Professional
Outline & Structure: Articles need to be informative for the advice and guides section of the website.
Previous topics covered have included;
- Hidden costs of DIY secondary glazing
- Dangers of excessive noise
- Condensation
- Damp
- Grades of Listed buildings
- Increase property security with secondary glazing
- Reduce heating bills
- How to be environmentally friendly with secondary glazing
- Window Energy Ratings Explained
- How to dress your sash windows

Articles need to be based around secondary glazing, listed buildings, window styles (Sash, Horizontal Sliding, Fixed/Lift out and Casement), noise reduction, thermal insulation, and anything else related.
Extra notes: This can become ongoing work of one article per month if the client is happy with your style and topic choices.