Questions tagged [structural]

Questions about the structure of a building (i.e. moving, adding or repairing walls).

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284 views

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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20 views

Shortening Roof Rafters for Flat Roof Addition

I'm in the early stages of planning an addition which will involve extending a flat roof out from a sloped roof. Are there reference sources/videos/etc out there discussing approaches to shortening ...
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35 views

Remodel Planning - working with or fixing present issues

I own a house in the PacNW, and am starting to plan out a fairly extensive remodel. The house has issues, however, that I want to fix or work around, and I am trying to get an idea of how extensive ...
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159 views

Is a 12-in diameter tree stable enough to support a tree house?

I plan to build a tree house by bolting two (2) 2x6 on the side of this 12-in diameter tree: I don't know what tree it is and in the process of asking here: https://gardening.stackexchange.com/...
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164 views

Removing inside walls

This is a personal DIY project where I would like to take down completely some interior walls. I've done measurements all around, attic, crawlspace inside/outside, and openings as well. The house is ...
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23 views

Full Structural Survey for Listed, Managed Building

I'm in the process of buying a flat which is set in the grounds of an 18th century hospital which, as such, is a listed development (under British legislation). The flats are managed by a Management ...
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1answer
54 views

Righting a stone column that is tilting [closed]

I have concrete driveway piers with a stone facade and one of them is tilting like the leaning tower of Pisa. How can I right it and keep it stable?
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2answers
96 views

Building an elevated deck over 6x6x6 posts, a beam made of 3 pressure treated 2x8x16' is too narrow

In building an elevated deck over 6x6x6 posts, a beam made of 3 pressure treated 2x8x16' (where the beams are attached to each other with FastenMaster ThruLoks) is too narrow (~5" versus 6" expected) ...
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157 views

Why would my garage have separate ceiling joists suspended below larger floor joists?

I am in the middle of building a complex storage rack system in my garage. I ran 2x4 "sleepers" across the ceiling and tied into every floor joist. My shelving system is anchored to this. Here is ...
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50 views

Can I carve a portion out of the side of a floor joist to accommodate a Fernco Clamp

I am tying a pvc sanitary tee into a 3" copper DWV line which runs along a floor joist (2x12) in the ceiling of my basement. I plan on using a fernco shielded coupler 3007-33 (https://www.fernco.com/...
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445 views

Will a 6x6x16 pressure treated lumber be okay for a play structure with a single super swing

I want to create a play structure for a super swing. A super swing is like a tire swing in that it can travel in all directions and spin like crazy. I used to have it on a tree branch but we moved ...
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280 views

Removal of a 2x4 with roof truss built on top

I am remodeling my bathroom and I have run into a problem removing some of the framing where a shower used to be. There is a 2x4 spanning the 5 1/2 foot width of the bathroom and it has been built ...
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87 views

Design choice and max weight+bending for cantilever

I am playing around with designing a truck camper with overhanging/cabover sleeping area/bed (picture). The sleeping area/bed will be supported by 3 2x4s. Now I need to figure out the best design and ...
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1answer
381 views

Why can I feel my seven pound cat walking across floor of my home?

The house is only 9 years old. (I am the second owner) I know they settle but in the last year I can feel all movement across the floor- year ago I could barely feel anything but did notice that ...
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158 views

Does my house need structural enhancement?

I live in an area with clay soils, so the homes here move quite a bit leading to typical cracking in drywall around door and window frames. My home seems particularly bad, ex this large crack in my ...
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82 views

How should I add a second level to a closet?

I would like to separate a closet into two levels for storage. The closet is 55" by 55" with 8' ceilings. I would like the second level to cut this in half at a height of 4'. I was originally ...
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142 views

Best way to fix the joists

While doing the waste plumbing my overenthusiastic handyman bore holes bigger than 3 inches (in some cases 4 inches) into the 2x10 joists. He also notched the joist in one place. I am putting a 100 ...
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2answers
61 views

Replace Chimney with Lally Column?

I'm planning to take down the rest of our interior, non used chimney in a few weeks. As I look at it more and more a joist, which has several others tied to it, appears to rest on the chimney, and the ...
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3answers
182 views

Safe to remove entry stairwall?

We have a split entry that is minuscule with stairs heading either up or down and a tiny landing. I would like to remove the wall separating the up from the downstairs (it may be the only wall that ...
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2answers
665 views

Should I move this support post in my basement?

I am trying to create a new bedroom in the basement. The first problem I hit is that there is this short concrete "wall" with a post coming out of it. Actually, the post is 3 2x4's joined together. ...
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1answer
245 views

Moving dirt in crawlspace in house with daylight basement?

Our house has a walk out basement (daylight basement). In the basement, there is one corner of the house, approximately 312 sqft that has an access door. Inside of that, there is a level portion of ...
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2answers
171 views

Who do I call to approve minor interior structural changes to my house?

I want to knock down an interior wall in my house and make a dropped ceiling flush with the remainder of the room. It should be a fairly straightforward home improvement project that I am quite sure I ...
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1answer
173 views

What is this pipe - should I be worried?

We found it behind a wall, it is a bit more than 10 inches wide it has about an 3/4 inch of concrete between metal. It was jaggedly broke off on the bottom in the basement ceiling. It is also ...
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1answer
49 views

Structural boards in attic?

I want remove the header to install floor to ceiling closet doors for our master bedroom. In the attic above the header three boards sit and run to the roof (see picture). Are these boards structural?
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51 views

Frame a jack stud without bottom plate?

I need to frame a small header in my kitchen exterior wall for a range hood exhaust because the 8" hole is dead center on a stud (of course). It's a 2 story 1941 house with 2x4s 16 on center. The ...
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2answers
40 views

Creating deck on top of single story flat roofed home

I have a rectangle home that measures 20' wide by 40' long with a giant chimney in the center that spans down through the kitchen and based in the basement. The chimney has a 3 sided fireplace on one ...
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1answer
94 views

Can I Move Interior Load-Bearing Walls Without Changes/Additions to Beams/Piers/Foundation?

I'm trying to determine if I can make some changes to my house's interior walls without making changes or additions to the underlying beam/pier/foundation structure. I have attached a drawing of the ...
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27 views

TV stand anchored to wood table

I would like to put a TV stand like this on the wood of a closet. The TV is 20 kg weight. The weight is relatively small, but as the support allows an arm extension up to 50 cm, that means an ...
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42 views

Flitch plate vs LVL for sistering an engineered beam

here's the quick skinny: I'm looking to reduce the deflection on a 13' beam before doing tile work on the above floor. It's a 5" wide parallam and it's deflecting at least 1/4". it's bearing on triple ...
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16 views

What type of Aluminum Sections could handle load equivalent to a 11-12 gauge Steel Sections of 2x3 or 3x3 on such frame?

What type of Aluminum Sections could handle load equivalent to a 11-12 gauge Steel Sections of 2x3 or 3x3 on such frame? If one had to Re-engineer the Vertical Tubes/ Frame using Aluminum. What ...
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1answer
221 views

How much weight/many people can my rooftop deck hold? 2“x12”x20' joists, 16“ on center, 2”x4" framing under [closed]

How much weight/ How many people can my rooftop deck hold? The joists are 2"x12" over 20ft, 16" on center The framing under the deck is typical 2"x4" framing (living space), on a concrete ...
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40 views

Is the wall in this blue print able to be removed? (Blueprint in Spanish.)

I am looking at a home to purchase in Queretaro, MX where I have been transferred for five years. There is a two year old home in a great location for the right price but the rooms are really small. ...
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55 views

Hello All, I’m trying to take down the 3 walls - load bearing or not?

This is the attic - and I will post the 3 walls as well- this is 1 story.
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19 views

Adding Collar Ties as Chase in 1930 Tudor

I'm planning out how to insulate and finish my attic without compromising ventilation. I'm zone 7, with a large, entirely floored attic. Roof is hard slate, original to 1930-built home. No current ...
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26 views

Can you post a 2nd floor joist beam directly to basement?

I have a house with a middle beam in the basement; all of the first floor joists lap on top of the beam. There's a bearing wall on top of the beam that goes 2/3 the length of the house. Most of the ...
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1answer
372 views

Removing diagonal truss brace?

Looking to put insulation, plasterboards on the garage ceiling and some down lighters, Not a massive amount of heavy stuff is currently stored there (primarily boxes etc). There are 5 joists, joist ...
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2answers
82 views

Span between wood post for stilt cabin

I intend to build on Weiss Lake in AL. If I use 8x8 posts, can I span 10 ft with 2x10 or should it be 2x12 for the floor joists? Also was wondering for the foundation can I just sink the wood post or ...
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216 views

6x6 “Landscaping” post for patio cover support?

I am building a patio cover and I need some 6x6 posts to support it. I went to a local lumber yard and asked for some 6x6 treated posts. He had some "landscaping" 6x6 posts and said those should work ...
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62 views

Vibration when lightly hitting one of the walls in an apartment?

I bought an apartment and I'm in the process of renovating it. One weird thing I noticed in one of the rooms is that when I hit the wall with my fist lightly, the entire wall and maybe even the room ...
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1answer
271 views

Aluminum vs galvanized vs stainless tubing for fence with railing?

I'm building a simple fence that's composed of 1" or 1.5" OD x 0.065" wall x 4-ft tube soldered to a stainless steel base that's bolted to concrete. This fence will have a wood rail at the top. ...
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1answer
875 views

Trying to determine if a wall in my basement is load-bearing [closed]

I want to expand my basement. I removed the drywall from the this wall. Someone told me it is not load bearing but I want to be 110% sure. The floor joists above the basement are running parallel to ...
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207 views

Ok to add basement egress window underneath giant grade-level window?

Our one-story house has a very large window on the first floor -- appx. 72" high by 130" wide. I'd like to add a basement egress window to the room below. I'm worried that having more glass than wall ...
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1answer
425 views

Should my fan have been installed off center?

We recently had a Duralum freestanding patio cover installed. There's electrical running through the structure, and a light/52 inch fan coming down from the ceiling. The fan was installed 11 inches ...
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70 views

Are these cracks in a basement support wall normal?

I'm looking at a 1930's-era house that has stone foundation walls. The basement seems to have been dug out and it looks a wall was built to abut the exterior wall. The wall has a plaster or stucco ...
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2answers
894 views

Structural (cored) bricks for a patio?

I have the opportunity to purchase some pallets of structural bricks, the cored ones with three holes in them. I want to use them to build a patio but I live in Ohio where the winters can get harsh. ...
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35 views

How to Determine the Correct Size of Beam to Support Suspended Planter

I am trying to plan a project that will look like this. The bottom piece will be secured down and won't be able to move. I'm trying to figure out what size of beam I will need to connect the bottom ...
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76 views

How do I make my floating shelf stronger/less susceptible to vibrations?

I'm building an entertainment center. I plan to put a turntable on the middle shelf in the picture below. There will be a floor standing speaker directly below the shelf. I expect the bass from the ...
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67 views

General procedure for replacing load-bearing wall with truss on top

What is a general procedure for replacement of an external load bearing wall wherin the wall is bearing the load of the upstairs floor joists, but also has roof trusts which land directly onto the ...
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2answers
744 views

Do vertical cracks in old plaster wall along studs indicate a structural problem

My house was built in 1908 and still has its original plaster walls. One of the upstairs bedroom's wall has vertical cracks from floor to ceiling along the studs-3 studs in a row in the center of the ...