we have a client that we installed a Stewart Greyhawk projection screen for about 8 years ago. 4 years ago he moved and the screen was stored by the client. We have just reinstalled it for him in his summerhouse, however when we powered it up we found that there were several areas with ripples in the material. These are not creases, just ripples.

We have left the screen down for five days but nothing is changing, the ripples are just the same.

Any ideas how we could remove these?

I have put put a call into my Stewart rep to see if he can assist, but I've had to leave a message at the moment. Just wondered if you guys have dealt with this type of issue before?

replace the screen material is typically the only option or a long amount of time for gravity to take affect.

I think we used a blow dryer once to fix something like that. Maybe it's worth a try if youre going to chang material anyway

It's got ripples. I've seen ripples that were horrible because we were looking at them with lighting coming from the side. A projected image only showed the ripples if you were sitting way off to the side.

Could the lighting you have be making this look worse than the way it will perform?

I thought I had read something like this before too, but it sounds like it will either work or be a catastrophe!

No unfortunately we have tried it out and the ripples are clearly visible from the prime seating positions whenever sea/sand/sky type images are active (I.e. Large blocks of similar colour).

Call the screen manufacturer and ask what they recommend. Advocate for your client by asking how much of a bargain he can get on a replacement screen since it should not have wrinkled.

You'll have to provide photos for context. If they aren't severe you can apply heat from a hair dryer, with the proper technique, to correct the wrinkle.

Most drop down screens have some means of adjusting tension which can sometimes be used to correct wrinkles and waves.

I would think the screen material has a lot to do with it. But I had similar issues with a roll up screen. It was either Stewart or Draper. But this is what they told me at their tech support. If the screen has a tube type bottom bar with removable caps,you can weight it across the entire width of the screen with a stick of rebar inside the tube. Let it hang for a few days and see if it corrects itself. My reply was "Do what? Yeah right!" But after leaving it down over the weekend with the weight in, it was hardly noticeable and went away completely after a short period of time.
If all else fails and it is possible give it a try. Just my experience, results may vary!

Ive tried this too but without success.

Worth a go.....! I'm back there on Monday, I'll see if it can be done.

After posting, I realized that the solution I offered would probably only work for wrinkles that were horizontal which was the problem I had. If the wrinkles were vertical weighting the screen may not help much. Not sure if that helps? Best of luck!