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THIBKING ABOUT REDOING MY PORCH AND DECK. IS IT OK TO USE 3/8 IN LAG BOLTS OR SHOULD THEY BE 1/2 IN. sHOULD THEY BE STAGGERED OR PAIRED? THANKS ALL
 

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Custom Builder
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It's the shear strength your looking for. If you use 3/8 you just use more of them.

Stagger or pair they both acomplish the task. However stagger seems to hold your ledger tight all the way across Keeping any cupping or bowing of the ledger from pushing the joists out a little and causing a wave in the end band.

Bob
 
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