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

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How should I insulate behind the last floor joist that runs parallel to the foundation wall?

As an aside, I can't for the life of me figure out what to call the last floor joist that runs parallel to the basement foundation. Does it have a name? In my house, there is a little cramped gap an ...
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222 views

How can I locate the 2x8 boards beneath subfloor, backer board, mortar, and ceramic tile?

My floor is getting a little creaky in my bathroom. Unfortunately, it has ceramic tile over it (along with mortar and backer board). What I need to do is drill a clearance hole through the grout and ...
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Is it allowed to have a small hole bored in a joist in the area where it is bearing on a beam or joist hanger

I am trying to determine if my house is up to code with respect to some holes that I found bored in the ceiling joists. The holes are about 1 inch in diameter and at least 2 inches from the top and ...
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517 views

What can I do about joist framing in brick pockets that is uneven and loose?

A 100 year old house with solid cement then brick structure has old floor joists in brick pockets. The joists are 2 by 8 and 2 by 10 inches and spaced about 19 inches apart and not consistently so. ...
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Alternatives to wood joists

I have a brick(3 wythe) building and starting to plan a kitchen remodel. The floor in the kitchen is pretty slanted and the wood joists don't look too good. So I will need some way to level the floor. ...
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Replacing a spanned “beam” with a cantilevered beam

I have a support post in my attic that is holding up one side of a minor ridge beam. The post is sitting on two 2x6s on their backs, and which span 20 inches. Yes, these 2x6s are not on edge -- they ...
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How much space do I need between rafter ties?

I have a living room that I'd like to vault the ceiling on. I've had a contractor come out and tell me that my ceiling joists are not supporting the roof in anyway, they are just tying the walls ...
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Ceiling joists job in a cinder block house

So I have a 25 x 30 square house made of cinder block. Roof is just a gable roof with gables on the ends of the 30ft length. My question is, I know in stick framed houses the ceiling joists act to ...
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How do I use a Stanley IntelliSensor to locate the joists/crosspieces in my ceiling?

Six months ago I posted a question about fixing a circular light fitting to my plasterboard ceiling and thank you to bib for a really detailed answer. Returning to the problem I have borrowed the ...
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How do I correct free-standing deck moving away from home?

I have what is primarily a free-standing deck (18x22) in the back of my house. I say "primarily" because I did nail into the ledger board underneath my glass sliding door, but only there. The rest ...
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Are these joists deep enough for the joist spacing / beam spacing I am planning on my deck?

I'm building a deck in the garden, have planned, purchased and started building the deck. I've been laying out some joists on the support beams (wider timbers bolted onto the posts) that I've ...
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When Laying Tongue and Groove plywood over 1x6 subfloor, do I lay it with the grain perpendicular to the floor joists or to the 1x6 boards underneath?

I am redoing a bedroom and I am in the process of installing a new sub floor. I currently have 1x6 running perpendicular to the floor joists. Some do have a bit of give to them. I am laying over that ...
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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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51 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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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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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 ...
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Should I triple up 2x6, or 2x8 to help level a floor? [closed]

I want to level my first floor dining room. The joists supporting the floor is 2x8", 13' long on that side of the main support beam. They are spaced between 16 to 19" apart, there was some moisture ...
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140 views

How long can I run a joist without supporting it in the middle?

I am building a tree house with a bridge from one tree to another. What is the maximum distance I could run a joist for the bridge without supporting it in the middle?