When I saw them on a motorhome, I thought, "All this does is provide a sweep for the awning top. It "folds down over the top of the slide" and when pulling it in, it "sweeps stuff off the slide top"...
I don't see how it can be installed with the 4" top flange on Keystone slides unless there is some means to modify the slide flange so the sweeper can fold.
There is no "benefit to provide shade" for the slide roof, so it won't be "cooler in the sun"...
If all you're looking for is a means to clean the slide top when retracting, and if there is some mod to overcome the 4" flange on your slides, it might be worth looking at more seriously. On the other hand, if there is no modification to fit it with the 4" flange, it won't work without removing your flange, it won't provide shade and it won't "protect/cover" the TPO roof membrane from getting dirty or wet. And, depending on how tightly it presses against the TPO membrane, it may wear/damage your slide roof as it "sweeps the surface".....
I'd ask the "pointed questions" about installing on a TPO membrane slide roof. I believe they were originally designed for "all fiberglass" motorhome slides, not for "travel trailer slides" (which are built differently).....
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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