1200×900 Steam Stopper
Pre-trimmed Steam Stoppers
These fit most 1200mm long showers from 720mm wide to 1000mm wide, in either corner or alcove installations.


The measurements above are the overall size and include the channel fixing.
It is designed to fit all showers between 750 x 1200 through to the 1200 x 1000 showers, including those with curved doors. It will not matter if your shower has tiled walls or an acrylic liner, has a pivot or sliding door, is in an alcove or is a corner install our Steam Stoppers will fit. The 1200×900 Steam Stopper can fit:
- 1200 x 1000 showers – corner and alcove
- 1200 x 900 showers – corner and alcove
- 1200 x 800 showers – corner, curved and alcove
- 1200 x 800 showers – corner, curved and alcove
- 1200 x 750 showers – corner and alcove
You may need to trim it to fit to your specific shower.


1200×900 Steam Stopper installed
These are some of the showers the 1200 Steam Stopper can fit.
Need it untrimmed?When your walls are not square or neither of our pre-trimmed large Rectangle Steam Stopper to fit. *Please note* This Steam Stopper will be supplied cut to 1200mm x 1000mm, (the dome as such is 680 x 1050mm). The untrimmed Steam Stopper will need to be trimmed to suit your shower, you will find the cutting instructions here. Click on the image below for a larger version to print and take into your chosen supplier. ![]() ![]() |
1200 x 900 Steam Stopper Recap:
- Dome size 1050 x 670mm
- Minimum Overall cut size 1070 x 700mm
- Std overall sizes 735 x 1173mm
- 875 x 1173mm
- Untrimmed size 1200 x 1000mm