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Discussion Starter #1
When I bought the house it had a hollow core interior door from in the house out to the garage. Not cool.
Installed a new exterior, fire rated door. The trim and the metal threshold extend past the foundation about 1 7/8". See pic. Am I correct in thinking that I can take a piece of treated lumber, adhesive and lag bolt it to the foundation under the over hanging parts and support it. Would this be an acceptable fix? Other ideas?
 

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You can do that. I’d use tapcon screws instead lags though.
 

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You could also use a composite material as the lip of the threshold wouldn't require that much support.
 
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