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DntH8IncrsDaMrdrR8 t1_ja49mw1 wrote

Right it's either good or bad but a 70-year-old one is going to fail much sooner than a brand new one. No?


opuntina t1_ja4b3ci wrote

No. They do not wear out. What happens is they are made or installed poorly, or some other piece fails and allows the joists to get wet which then rots them out. That's why particle board is bad. It will absorb water like a sponge and rot any other wood pieces it touches.


Unless they are failed, you are just wasting money replacing things that are fine. Houses last hundreds of years without any replaced parts if they are well made and well maintained. The replaced parts they DO get are due to water or bugs usually.


daxophoneme t1_ja5q152 wrote

The 70-year-old one could be from a denser, old-growth tree. The newer one will most likely be worse quality lumber.


DecayableBrick t1_ja7iffp wrote

The 70 year old one is most likely old growth lumber and therefore much stronger than the new one. So no.