4 个月
The Family Handyman on MSNHow To Safely Drill Through Floor JoistsDrill holes with a diameter of no more than one-third the depth of the joist, staying 2 in. away from the top and bottom.
Building a house, garage or even a shed today isn’t as easy as going to the local lumberyard and buying whatever dimension of wood you need. A lot of emphasis goes into the grade of the wood ...
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