I think the standard is not very good for temperature changes. The trim on my Host made it a few years, but it always was loose compared to what I have now.
I replaced mine with extra thick material. I don't think it will ever come out, but it's also hard to install without a screen roller and some finess.
'10 Ford F-450, 6.4, 4.30, 4x4, 14,500 GVWR, '06 Host Rainer 950 DS, Torklift Talon tiedowns, Glow Steps, and Fastguns. Bilstein 4600s, Firestone Bags, Toyo M655 Gs, Curt front hitch, Energy Suspension bump stops.
NRA Life Member, CCA Life Member