Questions tagged [structural]

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

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How badly have I undermined my foundation footing?

I am a first home owner based in Sydney. I have water pooling in my crawlspace so I was advised by a structural professional to lay a french drain around the perimetre of my home. I watched hours of ...
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0 answers
43 views

I have a deck design from Menards, but I need to change a footing location? [closed]

I have a deck design from Menards, but I need to change a footing location, am I ok to move it back 18"? The design has it 1' 7" from the outside edge, and I need to move the footing in due ...
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2 votes
0 answers
36 views

Designing to Add Roof over Deck in future

I have built up this sketch on the simpson strongtie deck designer. I would like to build this deck now, but have the option in the future to cover the main deck area and create a gabled roof/...
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  • 197
1 vote
1 answer
98 views

At what point should I replace wooden floor boards on second storey

The floor on the second storey of my house is wooden floor boards laid in one direction between supporting beams at end end. Each board is 300 x 2600 x 55 and is wooden. What is the likelihood that ...
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8 votes
1 answer
2k views

Long crack in I joist flange

Found a nasty crack in one of our I joists and need advice. Should I get a structural engineer over here asap or try to repair it? It’s over a foot long. Our shop was built in 2020, so I’m surprised ...
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  • 81
-2 votes
1 answer
104 views

How can I replace these cross braces with something else so they can be removed?

We want to open this up for the view under the house but these braces are structural and I don't just want to remove them. Is there a way to change these up so we can remove the braces (and lattice)?
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1 vote
2 answers
95 views

Is this wall with a beam below it load-bearing?

I want to remove a wall with pocket doors. Crawl space joists run parallel, but I see a parallam beam. Is this wall load bearing.
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5 votes
3 answers
1k views

How do I repair and block up a completely cut top plate?

I removed some in-wall ducting coming from the attic that fed registers on both sides of the wall. I intend on patching up the drywall of course, but before I do I want to block up the hole in the top ...
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  • 53
0 votes
1 answer
169 views

Are nail pops in drywall a sign of structural concerns?

I’ve been noticing more and more mail pops throughout our home. Not sure if they are actually “ongoing” or I just notice them more. I see a lot like the picture below where the nail isn’t protruding ...
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0 votes
0 answers
87 views

Can I safely remove these 3 pieces of wood in Attic?

Can I remove these pieces of wood in my attic? I think I can take them out based on the following reasons, but thought I'd get another opinion. Pieces 2 & 3 are separated in two pieces. Usually, ...
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1 answer
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Is this pantry wall load bearing?

I would like to remove the wall in my kitchen. It is a pantry closet, which I'd like to replace with cabinets. We didn't think it was a load-bearing wall since is only about 2 feet by 30 inches but ...
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2 votes
1 answer
201 views

Is this garage attic storage platform safe?

We're converting some of the attic space in our garage for storage and I'm hoping someone here can help with some concerns I have about the work that was done. I'm handy but not in construction and ...
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0 votes
1 answer
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Can I make up the depth of a roof truss with a separate timber?

Replacing rotten roof trusses that were originally 320mm Scots Pine timbers. The roof originally had to support concrete tiles which were heavy, it will now be supporting a lighter tin roof. The ...
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1 vote
2 answers
97 views

Help replacing a rotted roof overhang support post

We removed an old front porch deck and found that we had an old post that had rotted from the bottom that was supposed to be supporting a roof overhang. I have a temporary post up and am looking to ...
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3 votes
1 answer
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Are the notches in these studs holding up a beam a structural concern?

I have a concern and a question about the same structural studs. If it matters, I am in Ontario, Canada. Firstly, as you can see in the picture, the three 2x4 studs are holding up the four 2x8 beam ...
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6 votes
3 answers
1k views

How much space do you need between windows for a king, jack and hardwired light?

We are remodeling our kitchen and putting new windows in. It will be a bank of 3 windows. We plan on doing a king & jack in between each window (to not have to do one very long header). I would ...
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0 votes
0 answers
63 views

Are these posts inadequate and need to be replaced?

My house is almost 100 years old and the previous owner did some renovations about 15 years ago without permits. I'm concerned the beams in the basement are insufficiently supported. There's a main ...
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0 votes
0 answers
23 views

Is my closet wall bearing a load

I had a contractor come in for a closet and bathroom remodel. He took down a wall to make the closet bigger. His work was so bad now I’m not sure if the wall he removed is load bearing.
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0 votes
1 answer
67 views

Can someone please tell me the width of 32 ft long lvl i would need for a area of 12ftx 30 foot second level for storage only?

Building a barndaminim at peak making a storage area of 12 ft wide and 32 ft long. How wide and how many lvl boards do I need?
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1 vote
1 answer
163 views

Is this a serious structural crack in my basement or not?

Hello I recently bought a house a year ago and didn’t really pay attention to much to little things around it. I did get it inspected. A month ago the basement flooded due to a busted sump pump so got ...
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0 votes
0 answers
33 views

Reconstructing sub floor after long term leak

My 1930s house is built on a slope and in a room on the ground floor over the lower part of ground that used to be the kitchen I e found an old slow leak when converting to a utility room. The leaks ...
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3 votes
1 answer
171 views

Is it a structural concern that my plumber cut through 6 studs to install water line?

We had a plumber come out and install a water line for a pot filler and it looks like he cut through 6 studs without our permission on the exterior wall of the house. We are worried it could cause ...
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0 votes
2 answers
119 views

How much weight can a 9 foot tall 3.5" x 1/4" thick hollow square steel tube hold vertically when used as a column

I am trying to get an idea of how much load / weight (2) 9 foot long piece of 3.5" x 3.5" x 1/4" thick hollow square steel tubing can support when used vertically as a column. The ...
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8 votes
4 answers
2k views

Repairing a partially cut roof strut

It looks like some previous owner of my house (built in the 40s) cut almost the whole way through a roof strut (I think it's called a strut) when installing an attic ladder in the garage. I am ...
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2 votes
1 answer
97 views

Structural engineer recommends fix

I asked a question a few weeks ago about a diagonal crack in one of our main support beams in our basement. With your advise I ended up have a structural engineer come take a look at it and he ...
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1 vote
2 answers
176 views

How do I remove the bottom chord from a shed roof, the right way?

I've got a 16' (length) x 10' (width) saltbox-style shed that I'd like to convert into an office. The roof is supported by simple triangle trusses of 2 x 4's. Each of the trusses is cantilevered out ...
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-3 votes
1 answer
54 views

Structural engineering? single family 2 story home with post tension cable slab concrete beams.1st FL bathrm to add new shower beam cut, add plumbing [closed]

Structural engineering question, working on a single family 2 story home with post tension cable slab with concrete beams in both directions. Working to add a new shower on a first floor bathroom that ...
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1 vote
1 answer
78 views

Is it a structural issue if framing overhangs the slab by 1 3/8"?

I am having an addition built on my home. The framing is starting to go up and I noticed that one of the corners overhangs the slab by about 1 3/8 inches. I asked my contractor about it and he said it ...
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0 votes
1 answer
149 views

Is this kitchen partition wall load-bearing?

I would like to remove the highlighted wall. I live in a condo built 30 yrs ago and there is another tenant the above my unit. the wall I want to remove seems where an old window and a door attached ...
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0 votes
1 answer
123 views

What's the purpose of diagonal braces on the attic's wall

I am trying to make a closet in one of the rooms on the 2nd floor of my house & when I broke the wall, I saw diagonal braces, which made me kind of wonder what the purpose of those would be & ...
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1 vote
0 answers
62 views

Shower tile cracking horizontally in two corners

I was cleaning my shower today and noticed two new hairline tile cracks (they weren’t there when I cleaned last week). Both are in the third row up and both cracks span the corners. 6 tiles total are ...
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0 votes
0 answers
90 views

Can I safely take down this wall?

I am contemplating removing the wall highlighted in green on the blue prints of my house - I do not believe the separation it brings is necessary. If I understand my blueprints correctly, it is not ...
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0 votes
1 answer
51 views

Do I need to supplement my floor joists or steel girder for a remodel?

I am doing a kitchen/den remodel and spoke to an engineer beforehand about taking out some walls (he said it's safe to do as they aren't load supporting). On his way out he said I should get someone ...
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0 votes
2 answers
75 views

How to frame wall for a long drain plumbing

UPDATE 1: Added pic for my "idea" I am building a new office structure inside my warehouse. The structure is 10'x30' and one side is against the existing wall. The other side is next to a ...
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3 votes
6 answers
1k views

Small cracks in I-Joist bottom flange [closed]

I have noticed 3 small cracks over a a span of maybe 6 inches in one of my I-joists' bottom flange. It's ironically only on one side. I suspect this is triggered by the top flange which has a ...
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0 votes
0 answers
58 views

Sizing beam/header for planned 12' opening

I am trying to figure out what sized beam I will need to support the load when opening up the center wall in my home. This opening currently exists, but is only 6ft wide. I am looking it expand that ...
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0 votes
1 answer
95 views

Is this a rafter tie or something else?

House was built in 1978. I'm acquainting myself with some of the basics of the attic structure. I don't know what this is called or the purpose it serves. Specifically I am referring to the 2x6 turned ...
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2 votes
1 answer
353 views

Are the walls of my garage closet load-bearing?

I am planning to remove this garage closet to make more room for our car. From looking at the framing it doesn't appear to be load bearing - which would obviously be very surprising considering it ...
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2 votes
1 answer
193 views

Can I remove a rafter tie from my shed roof framing for better access?

I have a 10x16 shed that use for a woodshop and am planning to remodel it soon. I currently store some lumber in the roof trusses and would like to make it a little easier to do that in the future by ...
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  • 204
5 votes
1 answer
480 views

Floor supported by nails, is it structurally sound?

Each time I look under this floor it bugs me; how can so few nails support an entire floor? Is this standard construction practice? It is an 80s house in Canada. New pictures to satisfy your ...
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  • 153
5 votes
0 answers
230 views

What should I do about these broken beams and broken floor joists?

My house was built in 65 and we bought it a few years ago. I've been slowly fixing things as I can, like the giant rats nest of electrical wiring strewn about the attic :). Now I want to get to these ...
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1 vote
1 answer
39 views

Slab Foundation with Cracks and Uplift in Floors, Driveways and Back Patio

I am buying house for the first time and the home inspection report came back saying there may be potential foundation issues. I have attached screenshots from the report below. This is an 1976, one ...
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0 votes
0 answers
41 views

PARALLAM PSL small holes for electrical

The following weyerhaeuser article talks about holes in PSL. It provides a summary table at the end showing the updated capabilities. I'd like to drill some holes in a PSL beam in my crawl space for ...
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4 votes
0 answers
241 views

What is the purpose of this steel pipe lagged to the stud in this dividing wall?

We’re looking to open up a wall that separates the kitchen and living room. The wall doesn’t reach the ceiling, currently has a 3ft doorway. The house is a single story slab on grade located in SoCal. ...
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0 votes
2 answers
152 views

Which rafter hanger is best

I am building rafters to connect to a ridge board for a shed and I am torn between the rafter hangers to use. These are the two options: The reason I am torn is that the one RR rafter hanger is ...
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2 votes
2 answers
136 views

Feedback on my temporary support wall?

House info: 1960s ranch; basement below, attic above Project: Remove existing window, and reframe wall for larger window in exterior load bearing wall; portion of exterior wall framing removed during ...
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1 vote
0 answers
69 views

Is this an appropriate roof setup

I am creating a standard A frame roof (4.5:12 or 5:12 pitch) for my shed using rafters and a ridge board. The ridge board is 2x8 and is spanning 14 feet for the length of the shed (12x14). I am using ...
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2 votes
2 answers
115 views

Do these cracks in a brick wall indicate foundation movement?

This is the back wall of my detached single garage. It's just single skin, built in the 60s and as I want to use this building as a workshop, I'm looking to spend a bit of money getting it properly ...
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  • 19
0 votes
1 answer
133 views

Reinforcing Truss-based Garage Ceiling

I'm currently in the process of insulating/drywalling my attached garage. It is about 25' x 20' with Fink style trusses. The truss bottom chords are spliced with plywood sheets on either side. Rather ...
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  • 11
0 votes
2 answers
59 views

Metal Ceiling Joist Load capability [closed]

What do I need to consider if I want to suspend a 1/2 ton chain hoist from this type of ceiling Joist? I would never even come near 1/2 ton, maybe 50Kg tops. I want to connect an I beam with a trolly ...
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