I had the same deal with my cargo roof, I shimmed it with rubber so it would flex a bit with temperature changes. Nice and tight, Good contour for rain runoff. Your the first I've seen to do the same. I siliconed all the metal side studs also. No rattle there either.
I have plans to do exactly this. Almost… I'm going to glue my FRP to foam board insulation. This should make it rigid and add some good insulation to the trailer. I will have to sand the back of the FRP for mechanical adhesion, but I think it's gonna work well. I am also considering just throwing a coat of epoxy on some Luan and wallpaper it. The weight between FRP and. luan is almost identical for the most part. It's difficult to decide though.... FRP is easy to clean, waterproof but expensive. Laun amd wallpaper will look excellent and is quite cheap. But in the back of my mind, I feel like we convert cargo trailers because we don't want to live in a luan box.
Don’t know how I missed your comment but I like the idea of FRP glued to foam board. The luan/wallpaper thing is what a lot of rv manufacturers do and I’m not a fan. Ive repaired enough water damaged ceilings to know that’s not ideal. Thanks for the comment, wish I had thought of this when I did mine! 😆
I’ve tried the glue in method in the past and wasn’t happy with the result. First off, I try not to use chemicals if I don’t have to but mainly, the glue doesn’t penetrate deep into the wool. You end up with a thin layer of the wool glued to the wall/ceiling, and the remaining layers easily pull apart from the glued layer. It might work in a confined space where it’s slightly compressed, but if you have any sort of air gap between the wool and the wall/ceiling, I wouldn’t have any faith in it staying in place. String looks a little funny but it’s the tried and true method for most who insulate with wool.
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I love the FRP solution thank you 🙏
I had the same deal with my cargo roof, I shimmed it with rubber so it would flex a bit with temperature changes. Nice and tight, Good contour for rain runoff. Your the first I've seen to do the same. I siliconed all the metal side studs also. No rattle there either.
I have plans to do exactly this. Almost… I'm going to glue my FRP to foam board insulation. This should make it rigid and add some good insulation to the trailer. I will have to sand the back of the FRP for mechanical adhesion, but I think it's gonna work well. I am also considering just throwing a coat of epoxy on some Luan and wallpaper it. The weight between FRP and. luan is almost identical for the most part. It's difficult to decide though.... FRP is easy to clean, waterproof but expensive. Laun amd wallpaper will look excellent and is quite cheap. But in the back of my mind, I feel like we convert cargo trailers because we don't want to live in a luan box.
I was looking to do similar using Trusscore slat wall.
Cheers
Don’t know how I missed your comment but I like the idea of FRP glued to foam board. The luan/wallpaper thing is what a lot of rv manufacturers do and I’m not a fan. Ive repaired enough water damaged ceilings to know that’s not ideal. Thanks for the comment, wish I had thought of this when I did mine! 😆
Very informative as usual! Nice work.👍
Why are you not gluing the wool to the walls and ceiling?
I’ve tried the glue in method in the past and wasn’t happy with the result. First off, I try not to use chemicals if I don’t have to but mainly, the glue doesn’t penetrate deep into the wool. You end up with a thin layer of the wool glued to the wall/ceiling, and the remaining layers easily pull apart from the glued layer. It might work in a confined space where it’s slightly compressed, but if you have any sort of air gap between the wool and the wall/ceiling, I wouldn’t have any faith in it staying in place. String looks a little funny but it’s the tried and true method for most who insulate with wool.
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The absolute worst part of finishing out a cargo trailer. Ask me how I know.
P.S I installed A/C & heat. No holes / leaks in the ceiling .