Horizontal support structures beneath the floor running between load bearing walls.

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30 views

Insulating and reducing boominess of plywood subfloor

I have a plywood subfloor in a ground floor extension that is laid directly on the joists. The current floor is half solid wood tongue-and-groove laid on top of green fibre underlay and half fake ...
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172 views

What materials and spacing should I use for ceiling joists/strapping in this conversion?

I have an old two bay garage that's 28'x50', that I would like to convert into a home. One thing I'm trying to figure out is how to do the ceiling. The ceiling is held up by metal joists approximately ...
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78 views

How can we be sure the hooks for a porch swing go into joists in our covered roof?

We want to install a drainage roof over our existing patio and hang a porch swing from it. What is best, to hang the swing's I-hooks first or put the roof on first? Our patio is underneath our ...
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54 views

Why doesn't a through tenon weaken the stile?

I've been playing with load tables for wood beams in the context of framing a floor. The tables assumes uniform load, which seems valid if the joists are just sitting on the headers. But what if they ...
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117 views

Can turnbuckles hold a frame in tension?

I'm building a king-sized bunk bed using a loft/joist design. Basically, I've got (see below): slats nailed into joists joists joined to headers with blind tenons headers joined to posts with blind ...
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186 views

4x4 to support floor joists

I want to use a 4x4 8' with two floor jacks on each side holding it up against the floor joists in the middle of the lenght.The purpose is for support.We added a lot of heavy mud weight for tiles ...