I'm interested in adding this option but we did not encounter it in Chilliwack. I have not run into any photos and few comments concerning this option.
This link will take you to a picture and one thread. It's kinda hard to visualize since it's all opened up in the pic.
I have had the screen room for four years, but I've not used it yet.
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What happens to the hole when the cheese is gone?
- Bertolt Brecht