Warning about a roof top storage box
Hey everyone. I am about done with my cabover rebuild and want to share something that I think is important about a roof top storage box. I removed the storage box to work on the roof and I had no...
Forum Discussion
A lot of older RVs had a one-piece rolled aluminum roof. A great idea but there were two shortcomings.
First, that big sheet had enough expansion/contraction to lead to leaks around the edges.
Second, corrosion pinholes, even out on the open surface.
Our '84 Holiday had a multi-piece aluminum roof. As I recall there were four sheets about half width by half length of the roof. Curved down to the walls and Riveted to the aluminum frame through a sealant compound, then taped over. It leaked where the curved parts met the fiberglass front and rear end caps. I removed all that Butyl Tape and replaced with 4" EternaBond One-Step. Solid job and no further leaks.
** Somebody please validate or correct the following that I understand to be true**
Lazy Daze, a top builder, uses a one-piece aluminum roof to this day, but they offer superior craftsmanship and I understand they have to get the material from a supplier in Germany.
First, that big sheet had enough expansion/contraction to lead to leaks around the edges.
Second, corrosion pinholes, even out on the open surface.
Our '84 Holiday had a multi-piece aluminum roof. As I recall there were four sheets about half width by half length of the roof. Curved down to the walls and Riveted to the aluminum frame through a sealant compound, then taped over. It leaked where the curved parts met the fiberglass front and rear end caps. I removed all that Butyl Tape and replaced with 4" EternaBond One-Step. Solid job and no further leaks.
** Somebody please validate or correct the following that I understand to be true**
Lazy Daze, a top builder, uses a one-piece aluminum roof to this day, but they offer superior craftsmanship and I understand they have to get the material from a supplier in Germany.
