11/4/2011
Test name:4
4_4x9_OSB_54mil_8’up seam
Pre-test
Everything is good.
Cut the OSB at the bottom,3/8'', re-drill the screws at the bottom, because the previous ones is so close to the edge.
Fix the gap at the strap location
Measured the gap btn the track and stud.
Record the over-drilling screws
There is small gap(0.188'') btn the bottom track and base, although I have tight the anchors at the bottom. The reason is we punch the holes on the bottom track.
No ledger, no gypsum board, that is test number 4.Will see how the failure occurs.
Get started…
Dr.Yu is not available today, I will email him to make an appointment to do the test on Monday.
Photos
Pre-test
Can't wait to see how that seam performs now!
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