Questions tagged [structural]

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

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16’ Wooden I-Beams sagging after additional weight added

We recently completed a renovation on the third floor of a 3-story structure built in 1999 that is supported by wooden I-beams. We added a tiled bathroom with a tiled shower, a hickory floor, which ...
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0 votes
1 answer
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Skid Steer hit exterior wall.... interior wall now bowed [closed]

we are buying a new build, and noticed one of the exterior walls (load bearing) is bowed on the interior of the home. We inspected the outside, and it appears (likely during the yard grading) a skid ...
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3 votes
3 answers
106 views

How to reinforce a notched beam but keep notch?

I had an electric garage door opener "professionally" installed. When seeing the installation, they mentioned they had to take a notch out of a supporting beam as there was not clearance for ...
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1 vote
1 answer
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Contractor cut into the I-Joist flange!

Hello. We are in the middle of bathroom remodel and our contractor cut into the top part of I-flange while removing the subfloor. He cut diagonally in several places and horizontally on another beam....
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Safe partial removal of joist for soil pipe?

I am looking for advice as to how (if even possible) I can achieve a layout for a my upstairs bathroom renovation. The design: The joist layout: The two major issues are the location of the shower ...
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1 answer
57 views

Can I remove these rafter ties? what else can go?

I have a standard 2 car garage (20 feet by 20 feet) built in 1948 with some interesting roof structure. There appears to 5 rafter ties which are separated by 4 ft for the first pair then 2 ft for the ...
0 votes
1 answer
48 views

How should I screw knee braces to a spreader beam?

I'm planning to build a 2-tree treehouse and will be constructing tri-beam supports as seen in this video (or more accurately each side will be braced to the tree separately due to slight lean, but ...
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2 votes
1 answer
98 views

Is this partial wall load bearing?

I have a newer DR Horton home (2016) where we'd like to do a bathroom renovation and remove a partial wall and replace it with glass to make it feel more open. The master bathroom is on the first ...
1 vote
3 answers
178 views

Can my deck use 6x6s below the deck, and 4x4s on top?

My family currently purchased a new home and the rear deck (about 6ft off the ground) currently is held up using 4x4s. The joists are about 12ft tall and the deck is about 25ft wide. Unfortunately, ...
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1 answer
173 views

Are these studs actually structural?

First question on here so apologies if getting it wrong. I have removed old lath and plaster wall from under stairs to install cupboards but there is a lot of wood that appears to be structural ...
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1 answer
178 views

Is it a problem that my contractor drilled vertically through a beam?

I hired a contractor to run some low voltage ethernet wires through my house, but I can't shake a gut feeling that he may have done something that he shouldn't have. Running a cable to the back of the ...
1 vote
1 answer
70 views

Will i compromise the structural integrity of my I-joist if i hang two 4×8 garage storage racks

I am looking to install two 4x8 overhead storage racks in my garage. Will I compromise the structural integrity of my i-joist, that is, 2"wide × 1 3/8"high × 3/4" to the web if I drill ...
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1 vote
2 answers
88 views

Do hanging ceiling joists form a roof truss?

Consider a house with a gable roof that looks like this: /\ /--\ / \ / \ / \ ====[]==== | | | | | | +--------+ (the [] is a load bearing beam coming out ...
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Can a top plate on a 2x6 exterior walled be drilled for wires in 2 adjacent bays?

I am installing a 125A sub panel next to an existing main panel/ The sub panel will be in the stud bay next to the main. Both of these are on a 2x6 exterior load bearing wall. I understand the hole ...
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2 answers
140 views

Can I remove all floor joists in a balloon framed house?

I'm remodeling an old early 1900s home that is balloon framed. I removed the subfloor so I could get to the crawl space and run new utilities. I noticed the floor joists are in really bad shape and ...
16 votes
4 answers
4k views

Can I cut the small tab off of these rafters to make drywalling easier

I am finishing my garage and I have come to the point I need to start drywalling. I ran into a roadblock and would like to get opinions on how to proceed. The roof is a pyramid shaped hip roof and ...
2 votes
2 answers
168 views

Are these large horizontal wood planks structural in my 1900s home?

I'm currently in the processes of remodeling a home built in 1900 or even earlier. It has balloon framing and true dimensional lumber. I removed the lath and plaster on the walls and behind some of ...
1 vote
1 answer
101 views

Can 2x6 ceiling joists support a temporary point source load of 1500#

I’m installing a residential elevator in my home. The installation requires a padeye in the ceiling to carry 1500 lbs. I have 2x6” ceiling joists spanning 16’. I planned to bridge a 2x10 across two ...
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-1 votes
1 answer
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Minimum supported floor weight in the UK

I live on the second floor of a small block of flats in the UK. To my surprise the floors between levels in the building are wooden and not concrete. As such I can sometimes feel things move as I walk ...
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1 vote
1 answer
76 views

Are there any floor reinforcement considerations when moving laundry to 2nd floor?

I’m looking at moving laundry from first floor to 2nd floor in a 2 story house built in 1996. Current laundry is on the perimeter of the house right behind the garage. I plan to move it directly above ...
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0 votes
1 answer
56 views

Could this center post be load bearing?

I have a partially below grade family room with a concrete sub-floor that we're remodeling. There is a 12+ foot wide closet running across one wall. I need the center post for the closet gone. ...
0 votes
0 answers
33 views

How to Fix Dipped Ceiling

I removed the chandelier in my living room to install recessed lighting. After looking at my installation, I noticed that the ceiling dips where the chandelier used to position, by about 2 inches. ...
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1 vote
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Western red cedar vs pressure treated / GC timbers for exterior load bearing beams

For exterior exposed load bearing timbers and support beams, is western red cedar sufficiently weather resistant or is ground contact (GC) pressure treated a significantly superior option? There will ...
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1 vote
1 answer
162 views

should I be concerned about this lally column, and should it be replaced?

Would you recommend replacing this lally column, which is located in the garage, supporting three bedrooms above? There is heavy rust around the bottom, and it doesn't look like just on the surface. I ...
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0 votes
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Ideal way to brace a gable end wall for sill replacement

I may have to replace a rotted sill plate in a small single-story + basement house. The house has a gable roof with rafters. The rotted sill is under the front gable wall, and rests on a concrete ...
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1 answer
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Closet Shelving Crossmember

I am looking to install some custom shelving for a 4’x4’ closet. I would like the shelves to be in an L shaped configuration against the rear and right walls of the closet. The back portion of the ...
1 vote
1 answer
233 views

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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2 votes
0 answers
55 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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1 vote
1 answer
108 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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-2 votes
1 answer
225 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)?
1 vote
2 answers
107 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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1 answer
307 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 answers
116 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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0 votes
1 answer
122 views

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 ...
2 votes
1 answer
315 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
42 views

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 ...
1 vote
2 answers
270 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
96 views

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 ...
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
64 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 ...
0 votes
0 answers
28 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.
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
168 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
34 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 ...
3 votes
1 answer
249 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 ...
0 votes
2 answers
872 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 ...
2 votes
1 answer
114 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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