Questions tagged [structural]

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

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2
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1answer
42 views

Roof truss with Odd 2x4 T-Shaped Reinforcement. Why is that there?

We needed to replace the air conditioning evaporator coil and air handling element. In this house the cooling element is located inside the attic of the house. And up in the attic space is really ...
2
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1answer
60 views

Is this drywall cracking a structural problem?

I have a multifloor condo, with garage first floor, living space second floor, bedrooms third floor. At the corner stairs from second floor to first floor, the drywall is cracking (and seems to be ...
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1answer
78 views
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0answers
19 views

Replacement supports, removing old partial walls

My old kitchen used to be divided into two rooms with a wall separating the rooms. At some point, most of wall was removed, however, they kept some portions extending out. east wall - extension comes ...
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0answers
31 views

Lawn Shed Over Asphalt, BUT Using 4x4 Foundational Posts Buried With Concrete To Secure To Ground

I have REALLY old asphalt along the side of the house, like 30+ years old. It doesn't appear to have any sinking or cracking and has held up better than 15+ year old asphalt my dad had poured ...
1
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1answer
40 views

Can these posts be removed to open up this staircase railing?will I have to reinforce this beam? If so how would I do that?

I noticed the showhome of our model had a basement renovated with an open staircase and I'm wondering how simple it would be to do this in our home. I've attached a photo of what it looks like in the ...
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0answers
22 views

TV mount in plaster wall with no studs

Is it possible to mount a 65in tv on a 1.5in thick plaster wall over a fireplace? there are no studs, and about a 3in air space before its solid again. probably insde brick chimney wall. i never use ...
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0answers
22 views

Steel I-beam, Steel post, framing question

My basement was a coverup job. I won't go into what all was wrong with it, Long story short, we are fixing it all little by little. I'm trying to add a entertainment room. I've had the waterproofing ...
2
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3answers
79 views

What to use for 16ft span, max 1500 lbs

Greatly appreciate if anyone out there would have an idea what to use to support a lift in the center of a 16 ft span, and have a 1500 lbs max load? Thinking of maybe three stacked 2x8x16s??
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2answers
61 views

Hanging Punchbag in Cabin - Structural

I have a cabin at the bottom of my garden (photos attached) and am thinking about hanging a punchbag from the roof beams. I absolutely do not want the structural integrity of my cabin compromised but ...
2
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1answer
69 views

Can I drill diagonally through the top of my beam?

Remodeling our kitchen (and putting it on YouTube so want to make sure I'm right). I need to run 2 new circuits in our kitchen on a half wall so I can't run them down. Basement is open but the bottom ...
3
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2answers
200 views

Did I harm the integrity of my house trying to run a wire?

I wanted to run a CAT6 cable simply from a first floor room to the second floor room directly above it. I drilled through the bottom plate in the wall on the 2nd floor as shown. I first used a 1/2 in ...
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0answers
21 views

Cracked Ceiling Joist

I am installing new cabinets, and when I removed the kitchen soffit, I saw one joist with a horizontal crack that goes all the way through the joist and travels about 8 inches down the length from the ...
1
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1answer
58 views

Identify if this is a load bearing wall from the blue print

We are exploring the remodeling of our kitchen, and wondering if this wall between living room and kitchen is load bearing ? I have attached the blue print and photo. Are there any indications in the ...
1
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1answer
56 views

How to get electrical from the side of a beam into a wall under it without crown moulding?

I'm partially finishing an unfinished basement, and part of that involves installing a wall. I put the wall in the 'natural' place right under the central beam supporting the middle of the house, ...
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0answers
56 views

What size LVL beam to replace 17 foot load bearing wall (marriage wall) on first floor of two story colonial modular home

We are currently in the process of opening up the space between the living room and family room on the first floor. The house is a 2 story, 2600 square foot colonial modular house. The wall we would ...
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0answers
43 views

Installing new basement post to support first floor post

I am opening a first floor load bearing wall 15 feet wide . This wall sits one foot off from the basement center steel beam, with 2x10 joists 16" on center. The engineer has specified the first ...
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3answers
192 views

House shakes violently at least once a day

Summary: Our house shakes and sways for an instant almost every day (it feels like a car just ran into it) and we're worried it may one day collapse. Any suggestions as to what it could be? How to ...
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0answers
32 views

Filling first concrete floor with Autoclaved aerated concrete (AAC) brick to 3 feet height is good?

First concrete floor is with 500 sq.ft. area. Out of this, 200 sq.ft. is in projected form for about 3 feet height. So, we are planning to fill in with AAC blocks up to 3 feet height for the rest of ...
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0answers
46 views

Can I replace two 2x4 jack studs with a steel bracket attached to side of adjacent 6x6 king stud?

As part of my kitchen remodel, I want to move my refrigerator into a closet. In order for the refrigerator to fit width-wise, I need to remove two jack studs on one side of the closet that are ...
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0answers
32 views

What’s the ideal overhang for a 26’ LVL beam?

We just installed 3 LVLs (3) x 1 3/4x 24” x 25’ . Can someone recommend the ideal overhang on the posts for a beam this long? The engineer recommended 8’’ hang on the post on each side, but my ...
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0answers
25 views

Can I make hole above a lintel for a flue

I'm doing some work on a flat and want to move the boiler higher up than it is. That means putting a flue above the window. The problem is I'm the second to top floor flat. As you can see from the ...
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1answer
99 views

How serious are these cracks in drywall and foundation?

I just bought this 20yr old house a year ago and now I am noticing crack indoor as well as on the foundation. Indoor crack goes all the way across the ridge of the angled wall and down to the corner ...
3
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1answer
127 views

Why is my cottage wall bulging outwards? [closed]

Purchasing a cottage and trying to figure out how much work/money it'll be to repair an odd bulge in the wall. The south side wood wall is bulging out near the center. Although not clearly visible in ...
3
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3answers
685 views

MC Cable through double 2x4 top plate

I'll be newly wiring a room on the second floor, in this case putting in outlets. The house is old, balloon frame 2x4s, with a double 2x4 top plate that the rafters rest on. I have 250 feet of 12/2 mc ...
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2answers
57 views

How to detect a load bearing wall?

Hello - I attached a quick picture to help determining whether the kitchen wall is load bearing. when I checked my basement, it has set of four concrete square pillars (not in the center but towards ...
1
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1answer
52 views

Rotating a staircase and making a new landing. How do I support it

I am looking to rotate this staircase. Instead of descending in a southerly direction, I would like them to descend to the east. To do that my plan is to make the top step (step 5) into a landing and ...
2
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0answers
75 views

What is the right way to plumb bathroom drainage across small joists?

Finished the demo part of the bathroom remodel to find pretty significant damage to the floor joists caused by the original builder's "design" (see photos/video). Setting aside how I'm going ...
1
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1answer
116 views

Unsupported joists in attic?

In my attic there is a beam that ends 80% of the way through. A few of the joists are connected with nails but are unsupported laterally. Should these joists have better support?
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3answers
130 views

Can I put holes in every floor joist?

I have a detached workshop (30'L x 25'W) with two levels. The second level is mainly (only?) for storage (floor is 3/4" plywood and can be seen in the picture). The floor joists of the second ...
1
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1answer
60 views

Garage ceiling joist support for studio apartment?

I bought a house with a 24x24' attached garage. The rafters above the garage has a cape cod style. There's already a door in the attic space leading to the outside (2 stories up with no staircase....) ...
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0answers
28 views

Is lag bolting ledger board into foundation safe for overhead storage?

I'm planning a project for an unfinished room in the basement and I have an important structural question. There's about 15' of vertical space but I want to build 10' ceilings with access to overhead ...
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1answer
201 views

Rough opening is too small for sliding patio doors

Just before installing a sliding glass patio door today in our self-built home, we measured the rough opening and it is 1-3/4 inch too short for the height of the slider. (The slider is 6 feet wide by ...
1
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1answer
49 views

Can I put a “U” turn in my range hood exhaust duct?

In the photo below The red arrow represents the direction of the exhaust, as you can see there is a load bearing joist in the middle which I can't cut. I'm planning to build a recessed ceiling on that ...
8
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5answers
5k views

Can I put a 6" hole in this ceiling joist?

I'm working on my kitchen to add a range hood that goes outside the house. I'm putting the 6" exhaust pipe in my ceiling, between my 1st and 2nd floor, going in the direction of the ceiling ...
2
votes
2answers
40 views

Mounting bat house on cedar siding - too heavy?

I have built a pair of bat houses using these plans at Bat Conservation International. A finished house weighs about 25 lbs (11 kg) and I would like to attach it to the outside of my house, over ...
0
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0answers
94 views

Best way to fill large (3") vertical crack in solid brick party wall?

I live in an East Coast row-house built in the early 1920s. There is a 3" crack in the solid brick party wall that I need to address (see photos). My neighbor's baby's room is on the other side ...
0
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1answer
58 views

Floor frame for 8' wide shed is 3" too wide on either side

I'm currently building an 8' x 13.5' shed with a loft. Here is what it is supposed to look like (according to the plan): For a few reasons, the floor frame is too wide. I poured the piers slightly ...
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0answers
24 views

Reflooring a horse trailer

What kind of treated wood thats is 1 1/2" thick x 6" or 12" wide will support roughly 300lbs per hoof.
0
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1answer
44 views

Shed Roof is Black and Has Water Damage

my Dad's shed had a roof that he didn't take care of for a while and now appears to have rotted in several regions. I'll provide several pictures, but the video is best: Link What is the best way to ...
0
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1answer
62 views

Steel stair stringer size

trying to design a straight stair run using steel tubes as stringers. total run = 10'-0". total rise is 8'-8", width 3'-0". Support is only at each end. yes these are steeper than ...
0
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1answer
35 views

Concrete block water wall footing requirements

My wife and I would like to build a 6 foot high, 8 foot long fountain wall, using concrete cinder block that will then be covered with stone veneer. My question is regarding the footing. We obviously ...
1
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1answer
108 views

Safe to remove this wall and header?

I am hoping to remove a portion of wall along with a door header. I don't think it is load bearing but I just wanted to get some opinions. I have had one contractor say it is, and another say it is &...
1
vote
1answer
106 views

What should be done to check the capacity of a 100+ year old wooden floor joist?

Short version A 7.5cm x 20cm wooden floor joist from an apartment constructed in 1906 in Rotterdam, the Netherlands will be subjected to an increased load. The type of loading the floor joist will ...
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0answers
26 views

Sizing wide flange I-Beam for 20" span

I am doing a barn renovation project (pacific NW, 98922), and need to take out a large load bearing wall and replace it with a beam. Was going to use an LVL (which I sized at about 5.5 x 18") ...
1
vote
1answer
68 views

Which is the load bearing wall?

We are looking to add a door to a wall in our basement and wanted to see what was possible by figuring out what wall is the load bearing wall. Both walls are perpendicular to the joists. The wall on ...
2
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3answers
154 views

Why is double plate necessary in this case?

I'm creating a 10'8" opening to my kitchen. The architect proposed a double top plate with king stud, jack stud and (3) 2x12 header but would not explain why. The existing framing does not have ...
2
votes
1answer
176 views

Adding blocking between joist to support column?

I have this drawing for open up the living room wall. The architect is proposing a 5-1/4x16"x16' lvl beam with 5-1/4"x7-1/4" column on each side and adding 2x8" blocking btw. ...
26
votes
1answer
4k views

Seemingly overbuilt basement wall - load bearing?

I'm doing some prep/exploratory work before I begin finishing my basement. Home was built in 1980 and has a cement block foundation. There is a seemingly random wall framed in the otherwise unfinished ...
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0answers
40 views

Is this brick knee wall tied in to the main wall?

We would like to remove the L-shaped brick "knee wall" in the picture on the left. The picture on the right shows the seam between the knee wall and the main wall of the house. Is the knee ...

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