Wood – Joining 2×4 to 4×4 base: angles or regular wood screws

detached-structureframingpergolawoodwoodworking

I'm building a wall-mounted pergola. It will look something like below.

As you can see, the two horizontal 2x4s will be attached to the 4×4 bases. I was considering using these types of angles (one on each side of the 4×4 – they don't have the Simpson) to hold the 2×4. But I can also use regular wood screws.

What would you recommend?

The weight of the four 2x4s will be divided between the concrete structure (the gray) and the two horizontal 2x4s attached to the 4×4.

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Best Answer

I would put cup head bolts all the way through with washers and nuts on the back. 1/4" is plenty fat enough. Four bolts per post.

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