Is Aluminium wood primer any good at preventing exterior wood rotting?

[the artfull-codgerParticipant @theartfull-codger]

I bought my large wood garage 40 yrs ago & I paint it with proper coal tar creosote mixed with old engine oil every other yr & the woods in first class condition,when I do my gates I remove them for a couple of weeks to let it dry,just in case the postie touches them,our barn was built in the 1930s & creosoted regularly & still ok, not been done for about 10 yrs & I've just painted it with barn paint,[to improve the look, not my idea but needs must] it paints over previous creosoted wood, I'll see how long it lasts,you can't beat proper creosote & yes you can still get it & it smells lovely .

[John ReeseParticipant @johnreese12848]

The wood preservative I used most recently was copper napthanate. Copper is toxic to many microorganisms,

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