Home Home improvement The Ultimate Guide to Maintaining PVCu Windows and Doors

The Ultimate Guide to Maintaining PVCu Windows and Doors


PVCu (unplasticized polyvinyl chloride) windows and doors are a popular choice for homeowners due to their durability, energy efficiency, and low maintenance requirements. However, to keep them looking new and functioning optimally, regular care and maintenance are essential. In this comprehensive guide, we’ll provide you with practical tips and advice on how to maintain your PVCu windows and doors.

1. Regular Cleaning

Exterior Cleaning:

  • Use a soft cloth or sponge with warm, soapy water to clean the frames and sashes. Avoid using abrasive cleaners or tools that could scratch the surface.
  • Rinse thoroughly with clean water to remove any soap residue.
  • For tough stains, use a non-abrasive cleaner specifically designed for PVCu surfaces.

Glass Cleaning:

  • Clean the glass with a mild glass cleaner and a soft cloth or paper towel. Avoid ammonia-based cleaners as they can damage the seals around the glass.
  • Wipe in a circular motion to prevent streaks and ensure a clear view.

2. Lubricating Moving Parts

To ensure smooth operation of your PVCu windows and doors, it’s important to lubricate the moving parts regularly:

  • Apply a silicone-based lubricant to the hinges, handles, and locking mechanisms every six months.
  • Avoid using oil-based lubricants as they can attract dust and grime, leading to build-up and potential damage.

3. Checking and Maintaining Seals

The seals on your PVCu windows and doors play a crucial role in maintaining energy efficiency and preventing drafts:

  • Inspect the seals regularly for any signs of wear or damage.
  • Clean the seals with a soft cloth and soapy water, ensuring they are free from dirt and debris.
  • Replace any damaged or worn seals promptly to maintain the integrity of your windows and doors.

4. Adjusting Hardware

Over time, the hardware on your PVCu windows and doors may need adjustment to ensure proper alignment and operation:

  • Check the alignment of your windows and doors periodically. If you notice any issues with closing or locking, it may be time for an adjustment.
  • Use the manufacturer’s instructions to adjust the hinges, locks, and other hardware components. If you’re unsure, consider hiring a professional to make the necessary adjustments.

5. Preventing Condensation

Condensation can be a common issue with windows and doors, especially during colder months:

  • Ensure proper ventilation in your home to reduce humidity levels. Use exhaust fans in kitchens and bathrooms and consider using a dehumidifier.
  • Keep trickle vents open to allow air circulation and prevent condensation build-up.
  • Regularly wipe down any condensation that does form to prevent mold and mildew growth.

6. Protecting from Environmental Factors

Exposure to harsh weather conditions can impact the longevity of your PVCu windows and doors:

  • In coastal areas, salt can build up on the frames and cause damage. Rinse the exterior surfaces regularly with fresh water to remove salt deposits.
  • Use protective coatings or treatments recommended by the manufacturer to shield your windows and doors from UV rays and other environmental factors.

7. Addressing Minor Repairs

Minor issues can be addressed quickly to prevent them from becoming major problems:

  • Small scratches or scuffs on PVCu frames can be polished out using a PVCu cleaner or a fine abrasive pad.
  • For deeper scratches or cracks, consider using a PVCu repair kit, which can be purchased from most hardware stores.

8. Regular Inspections

Perform regular inspections to identify and address any potential issues before they escalate:

  • Check for any signs of wear, damage, or discoloration on the frames, seals, and glass.
  • Inspect the locks and handles to ensure they are functioning correctly and securely.


Maintaining your PVCu windows and doors is relatively straightforward and requires only a small amount of regular care and attention. By following these tips, you can ensure that your windows and doors remain in excellent condition, providing energy efficiency, security, and aesthetic appeal for many years to come.

With a consistent maintenance routine, you’ll not only prolong the lifespan of your PVCu windows and doors but also enhance the comfort and value of your home. Investing a little time and effort into their upkeep can pay off significantly in the long run, keeping your home looking and functioning at its best.