I resealed the roof of my enclosed trailer last fall and it was a cooler fall day with jeans & sweatshirt on kind of weather & I could feel the heat coming off of it while I was sealing the edges. I may have to try the coating on the roof of mine also because it is hot inside.

1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.