Material
Greenhouse glass
Confirm that the pane is glass, rather than polycarbonate. Use water and a soft cloth, avoid scourers, do not lean on glazing and clean only within safe reach. Follow separate instructions for self-cleaning coatings and the frame.
- SurfaceNon porous
- WashingSpot only
- Colour run riskMedium
- Reviewed6 October 2026
What greenhouse glass can and cannot take
- Heat Use with care
- Water and soaking Tolerates it
- Acids, including vinegar Not established
- Strong alkalis Not established
- Solvents Not established
- Chlorine bleach Not established
- Abrasives Avoid
Always test on a hidden area first and let it dry before you treat the visible mark.
General rules for greenhouse glass
Confirm that the pane is glass, rather than polycarbonate. Use water and a soft cloth, avoid scourers, do not lean on glazing and clean only within safe reach. Follow separate instructions for self-cleaning coatings and the frame.
Check the label
Confirm that the pane is glass, rather than polycarbonate. Use water and a soft cloth, avoid scourers, do not lean on glazing and clean only within safe reach. Follow separate instructions for self-cleaning coatings and the frame.
Stains on greenhouse glass
- Body oil Lift free oil from greenhouse glass, then clean a small area with a maker-approved mild detergent solution an...
- Breast milk Blot the spill, identify the finish and use a controlled cold clean only where permitted. Where the maker per...
- Coffee Wipe coffee off greenhouse glass promptly with a soft cloth. Check the finish and maker care rules first. Do...
- Nail polish Lift free polish first. On identified plain uncoated glass only, a tiny permitted acetone spot treatment may...
Confirm that the pane is glass, rather than polycarbonate. Use water and a soft cloth, avoid scourers, do not lean on glazing and clean only within safe reach. Follow separate instructions for self-cleaning coatings and the frame.
Unknown chemical tolerances remain unknown. Use the maker instructions for the actual finish. A remaining mark is a reason to seek advice, rather than increase strength or pressure.
Sources
What we checked and when. Where a manufacturer instruction disagrees with anything here, follow the manufacturer.
-
Royal Horticultural Society, greenhouse cleaning
authority
Clean panes with water and a soft cloth; avoid scourers and wire brushes. Work only within safe reach and do not lean on glazing.
Checked 6 October 2026
-
Pilkington, window glass cleaning FAQs
manufacturer
Ordinary glass can be cleaned with soapy water and a clean cloth. Coatings, etched glass and adjacent frame materials change the permitted route.
Checked 6 October 2026