If you cannot sister a joist the entire length of the existing joist will it still provide any benefit? Let's say (for example) you have 2x6 joists spanning 10' sitting on wall framing on each end with an obstruction down the middle so cannot sister another 2x6 the entire length but could probably get on 6' long installed in the middle. Attached this securely throughout the 6' span will this provide any benefit?
mske390
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