My container roof leak happened 3 months in, still finding the right fix

I built my container home outside Austin last year and thought I had sealed everything perfect. About 3 months in we got a week of heavy rain and I woke up to water dripping right over the bed. Turns out the roof seams I used a basic silicone caulk on had already cracked from the heat expanding the metal. I tried a few different sealants but finally ended up using a rubberized roof coating that flexes with the temp changes. Been 6 months now and no more drips even through the summer storms. Has anyone else dealt with container roof seams failing in hot climates?

2 comments

2 Comments

janahenderson3d ago

Did you ever try just slapping a rubberized coating on the seams? I used to think the basic caulk would hold up fine but after seeing mine crack in the Texas heat I'm totally on board with the flexible stuff now.

graymiller3d ago

Yeah I read somewhere that rubberized roof coatings hold up way better in heat, @janahenderson, that stuff is the real deal.