Along with Steve's suggestion, what I like about through bolts or
all-thread is that you can inspect both ends of them. With lag bolts,
if you get some rot around them it seems to me that you'll never know
until they pull out.
73, Jim Smith VE7FO
K7LXC@aol.com wrote:
>thing I do is to use all-thread thru backing 2x4's in the attic. GME wants
>you
>to use lag screws screwed into a roof joist - it's not very practical and
>depends on the lag screw for holding power. By using backing plates in the
>attic and all-thread you spread the forces over a much larger area of your
>roof
>than the lag screws.
>
>
>
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