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Bad for an alum. jon to sit on carpeted, treated 2X4s????
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<blockquote data-quote="Darkside" data-source="post: 229430" data-attributes="member: 6899"><p>That is actually a very good question. I am not sure what is used these days, but CC-Arsenate and other chemicals used in PT do not have ill effects on aluminum raps or SS screws in the decking world. The aluminum there is much thinner and you would expect if it was an issue, you'd see it there first. Nothing comes to mind. </p><p></p><p>I've always used PT lumber for my guide and bunk replacement then wrapped it in carpet. On my bunks, I put strips of UHMW (either kits or just cutting strips from full UHMW sheets) so the aluminum never really sits directly on the carpet or wood... but again, never heard of an issue. </p><p></p><p>My buddy had his new jet boat in the lower section of his 150 year olf bank-barn. It was out of the elements on a hard packed dirt floor where his tractors use to sit and out of the way... The main floor of the barn had stored items like bulk lime on pallets for the fields the coming season. That spring when he opened the lower doors, he noted the aluminum deck had pock-marked errosion. There was white powder on it and he surmised that broken bags of lime filtered through the floor each time the tractors came in and out of the main floor. Damage was significant enough to replace the whole deck. If it wasn't the lime, he's not sure what else could have done that?</p><p></p><p>I'm no chemist, but I've seen what lime does to breakdown carbon based items like dead livestock...</p></blockquote><p></p>
[QUOTE="Darkside, post: 229430, member: 6899"] That is actually a very good question. I am not sure what is used these days, but CC-Arsenate and other chemicals used in PT do not have ill effects on aluminum raps or SS screws in the decking world. The aluminum there is much thinner and you would expect if it was an issue, you'd see it there first. Nothing comes to mind. I've always used PT lumber for my guide and bunk replacement then wrapped it in carpet. On my bunks, I put strips of UHMW (either kits or just cutting strips from full UHMW sheets) so the aluminum never really sits directly on the carpet or wood... but again, never heard of an issue. My buddy had his new jet boat in the lower section of his 150 year olf bank-barn. It was out of the elements on a hard packed dirt floor where his tractors use to sit and out of the way... The main floor of the barn had stored items like bulk lime on pallets for the fields the coming season. That spring when he opened the lower doors, he noted the aluminum deck had pock-marked errosion. There was white powder on it and he surmised that broken bags of lime filtered through the floor each time the tractors came in and out of the main floor. Damage was significant enough to replace the whole deck. If it wasn't the lime, he's not sure what else could have done that? I'm no chemist, but I've seen what lime does to breakdown carbon based items like dead livestock... [/QUOTE]
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Bad for an alum. jon to sit on carpeted, treated 2X4s????
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