Q&A for How to Adjust a UPVC Window

Return to Full Article

Coming soon

Add New Question

Question

My UPVC sliding window is very hard to move. How do I adjust it?

Drew Hawkins1

Community Answer

Try opening up the window completely and loosening the 4 screws on the left and right side of the frame. Then, raise or lower the height of the panel to adjust it. Once you're finished, tighten all 8 of the screws so the window is held firmly in place and close it.

Thanks! We're glad this was helpful.
Thank you for your feedback.
If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
Yes No

Not Helpful 4 Helpful 11
Question

How do you fix a draughty uPVC window?

Drew Hawkins1

Community Answer

You can try adjusting the lock position for a better seal. Open up the window and locate the lock-adjustment head. Use an Allen wrench to turn the lock backward to increase the pressure it exerts on the window when it's locked, which will create a tighter seal.

Thanks! We're glad this was helpful.
Thank you for your feedback.
If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
Yes No

Not Helpful 9 Helpful 14
Question

Why is my uPVC window not closing properly?

Drew Hawkins1

Community Answer

You may need to adjust the height of the window in the frame so it closes properly. Open the window up all the way and loosen the 4 screws on each side of the frame. Then move the window down a small amount and tighten all 8 of the screws. Close the window to see if it's fitting properly. You can make more adjustments as needed.

Thanks! We're glad this was helpful.
Thank you for your feedback.
If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
Yes No

Not Helpful 12 Helpful 16
Question

How can I adjust a side-hung double-glazed window if it closes but the handle won't lock?

Viva Fenester

Community Answer

If your side-hung UPVC window closes but the handle won’t lock, try adjusting the hinges with an Allen key to realign the sash. Also, lubricate the locking points. If it still won't lock, the locking mechanism may need repair.

Thanks! We're glad this was helpful.
Thank you for your feedback.
If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
Yes No

Not Helpful 0 Helpful 0