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Has anyone ever heard of putting the house wrap on under the sheathing
(OSB)?  I'm doing a siding replacement job where the lap siding had failed
(can't remember the name of it but it had a class action law suit against it
several years ago).  There are some spots where the siding allowed the OSB
sheathing underneath to become saturated and thus rotten.  As we were
removing some of the bad spots of sheathing to be replaced we found that the
framing had been covered with TYPAR.   It's unfortunate that it wasn't on
the outside of the sheathing as it would have made our siding replacement
job MUCH simpler.  

 

I was just wondering if anyone had ever seen this done and if it was ever an
accepted practice to do this or is this just another example of how NOT to
build a house.  I know the code (703.2) states that the weather-resistant
material will be applied over studs or sheathing but I'm pretty sure this is
not intended to mean you can/should put it under the structural sheathing,
right?

 

Thanks,

 

Ken

 

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