Assess the existing frame
The existing window frame is checked before the replacement is planned.
Replacement Misted Sealed Units
Clearer Views,
Brighter Homes
Replace failed or misted double-glazed units without replacing the whole window or frame — restore clarity and efficiency and save money.
Secure by design
Made for your home
Low maintenance
Certass ApprovedA recognised standard of care
Insurance-Backed GuaranteeConfidence for your project · Backed by QANW
Professional InstallationA tidy finish, every time
01 · Replace the sealed unit
Keep the frame. Replace the glass.
When a sealed unit fails, the glass can mist between the panes. Replacing the unit restores a clear view without replacing a suitable existing frame.
- No need to replace frames
- Cost-effective
- Restores clarity
- Improves energy efficiency
- Quick installation
- Various glass options
03 · Why choose JMD
Professional advice and installation.
Clear product guidance
Understand whether replacing the sealed unit is suitable for your existing window.
Careful installation
Your home improvement project is planned and fitted with attention to the finish.
Support throughout
A straightforward point of contact from survey to completion.
04 · Customer feedback
What our customers say.
★★★★★
“Couldn't be happier with the finished result. From the initial quotation through to installation, everything was handled professionally. The workmanship and attention to detail were excellent, and the new windows have made such a difference to our home.”
Mr & Mrs Taylor · Windows & Doors · Verified review★★★★★
“Fantastic service from a local company. The service felt personal from start to finish and the quality of the installation was excellent.”
Mr & Mrs Brown · Windows & Doors · Verified review★★★★★
“A company we would definitely use again. Reliable, friendly and professional throughout. Communication was excellent and we're delighted with the quality of our new windows and door.”
Mrs Parker · Windows & Composite Door · Verified review05 · Further information
Take a closer look.
06 · Start with a conversation
Restore your clear view.
Talk to JMD Windows about replacing failed or misted sealed units without replacing the whole window.