Replacing the Corplast underbelly on travel trailer
Hello. This is my first post! I am replacing the thermal underbelly material (corplast) on my TT. Has anyone replaced it on theirs?
The concern I have is that the old material sagged and we got “moused” badly. In addition, some of the heating ducts extend down a couple of inches, so I can’t just screw the new material back up.
I want to frame it out using lightweight 2”x3” aluminum downspout material and was wondering if anyone has experience using it. I plan on adding some spray foam inside it in various places for rigidity. I would then screw the new corplast to the aluminum using sheet metal screws. This would give me the additional space I need for the heating ducts.
Are there any concerns I need to be aware of?
Thank you!
The concern I have is that the old material sagged and we got “moused” badly. In addition, some of the heating ducts extend down a couple of inches, so I can’t just screw the new material back up.
I want to frame it out using lightweight 2”x3” aluminum downspout material and was wondering if anyone has experience using it. I plan on adding some spray foam inside it in various places for rigidity. I would then screw the new corplast to the aluminum using sheet metal screws. This would give me the additional space I need for the heating ducts.
Are there any concerns I need to be aware of?
Thank you!
