Your Maintenance Guide
To keep your windows, doors, and hardware in optimal condition and ensure your warranty remains valid, please follow our maintenance instructions for each product type. Detailed guidance can be found in the sections below
We offer a full maintenance and repair service, including adjustments, resealing, lubrication, and finish restoration — all carried out by our qualified technicians to manufacturer standards.
uPVC Windows & Doors Care
Cleaning and maintenance tips for UPVC windows.
Aluminium Care
Essential care instructions for aluminium frames.
UPVC Care
Cleaning and maintenance tips for UPVC windows.
Aluminium Care
Essential care instructions for aluminium frames.
UPVC Care
Cleaning and maintenance tips for UPVC windows.
Aluminium Care
Essential care instructions for aluminium frames.
UPVC Care
Cleaning and maintenance tips for UPVC windows.
Aluminium Care
Essential care instructions for aluminium frames.
FAQs
What is maintenance?
Regular upkeep of your doors.
How to clean doors?
Use a mild detergent and soft cloth.
What about lubrication?
Lubricate hinges and locks regularly.
Are there paint restrictions?
Avoid oil-based finishes.
Why follow instructions?
To keep your warranty valid.
Disclaimer
These maintenance guidelines are provided to help you care for your products safely and effectively. However, HZ DOUBLE GLAZING cannot be held responsible for any injury, damage, or product failure resulting from incorrect handling, cleaning, or maintenance carried out by others.
If you are unsure about any maintenance task or your products require professional attention, please contact our team.
We offer a full maintenance and repair service, including adjustments, resealing, lubrication, and finish restoration — all carried out by our qualified technicians to manufacturer standards.