Questions tagged [structural]

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

Filter by
Sorted by
Tagged with
1
vote
2answers
174 views

How to reinforce bowing foundation?

Please note: I am obviously not a tradesman, otherwise I wouldn't be on this site asking this question. However, in five years of home ownership I have: re-roofed my garage, resanded all the hardwood ...
1
vote
4answers
2k views

Can I reuse the garage door rail when replacing the garage door opener?

I have a chain drive garage door opener. The sprocket on top of the garage door opener broke off so the chain isn't connected to the garage door opener anymore. I want to re-use the garage door rail ...
1
vote
2answers
3k views

Fix wobbly storage shelf

I just built this storage rack for my basement out of 2x4s and plywood. It is relatively stable but does have some front to back wobble. More than I would like. Is there a way to increase the ...
1
vote
1answer
427 views

Do I need to replace these metal support posts?

I have these 3 permanent lally support posts in the basement: post #1 post #2 post #3 Closeup frame captured from video #1 Recently basement was flooded so I tore down drywall prepping things ...
1
vote
3answers
66k views

My 5th (top) floor apartment is shaking; what might cause this?

I live in a developing country (so don't have much faith in building codes), and have been experiencing increasingly noticeable and frequent "shaking" in my top fifth floor apartment. I'm seriously ...
1
vote
1answer
42 views

Load bearing walls in 1860s house

We own a third floor condo in a house from the 1860s. I am trying to identify the load bearing walls in our apartment. Wall A is load bearing because it supports the roof joists. But what about wall ...
1
vote
2answers
290 views

Is adhesive to sister a pressure treated deck joist necessary, and if so what kind?

My deck has a cantilever of about 4 feet from the girder to where the stairs attach, and the stairs tend to have a bit of a spring in them when you walk up. I want to solidify it a bit by sistering ...
1
vote
2answers
814 views

Cut Floor joists for HVAC

I own an old home, circa 1919. In the 70's, when the new furnace was installed, they cut through the floor joists to run the air ducts. Awesome. So in direct correlation to those cut joists, are ...
1
vote
2answers
4k views

Why are two columns holding up this support beam?

We purchased a new Ryan Homes house ten years ago and are now finishing the basement. Down the center of the basement ceiling is a large steel I-beam between the footers. Given the size of the house ...
1
vote
1answer
351 views

What was the purpose of this diagonal 2x2 along wall?

Local inspector passed me through insulation and I'm preparing to do the drywall. When I pulled the insulation wrap on the yellow insulation part, I noticed this 2x2 sticking out diagonally. For ...
1
vote
1answer
3k views

Is a sandwiched beam made out of 2x4s laid flat a suitable for a 15' span that doesn't carry a load?

After working to remove a wall that runs parallel to the ceiling joists, I've run into a little problem. The builder used a 2x6 for a nailer (to attach the ceiling drywall) on top of the 2x4 stud ...
1
vote
3answers
1k views

Cheap way to reinforce 1/2" Pipes

I used some 1/2" pipe (I got it at Lowe's; I think it's typically used for gas?) to build a simple frame for a heavy bag, essentially an inverted U (about 6.5' high, 5' wide), attached to wooden feet, ...
1
vote
2answers
955 views

Unsure about my structural engineer, can you check his drawing?

I recently asked my structural engineer to provide some calculations and drawings to remove the arch and further open up the opening between the double fronted sitting room of my 2.5 storey (2 at the ...
1
vote
2answers
66 views

Relocate central air conditioners to roof

We recently moved into a house, and we've noticed that the central air conditioners take up valuable space, not only with their footprint, but also they will likely blow hot air during use, making ...
1
vote
2answers
2k views

Advice on supporting a sagging bay window

We have bay window that has sagged enough that that windows are out of square and no longer open or align properly to get a good seal. As such, they are drafty in the winter and we can't open them in ...
1
vote
1answer
1k views

Is this a load bearing wall? Please help

I have a commercial space I am working on and would like to open up the wall between two rooms its a single story building, flat roof, concrete flooring. one room is 400 sq ft and the other is 600sq ...
1
vote
1answer
186 views

How should I go about removing these two walls?

We just bought our first house, so go easy on me as I’m not an experienced DIY’er. I have read the documentation available on planningportal.gov.uk, but am still very confused. We’re hoping to remove ...
1
vote
1answer
46 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 ...
1
vote
2answers
91 views

What are some strategies for achieving a 2' eave overhang?

I am planning a shed-roof (not gable) workshop and would like to have a 2' rake overhang. I know the standard way to frame this would be do to 16" or 1' and support it with blocking, the rafter tail/...
1
vote
1answer
252 views

Leveling the sagging side of the home

I am buying a home and one part of the home is actually visibly sagging. While looking at the crawlspace, I've noticed that some work was done to support the home. It seems like there is no new ...
1
vote
2answers
635 views

How to repair a beam of structured 2x10s

My house has a beam of 5 sistered 2x10s that are uneven. The beam has joists resting on top of it to support the floor, and joist hangers on one side to support a lowered room. Many of the members ...
1
vote
1answer
995 views

Split/broken rafters a concern?

I'm buying a home and had a building inspection yesterday. The only major defect the inspector found was two split/broken rafters inside the roof. Can anyone tell me if these are a major conern? ...
1
vote
2answers
970 views

Can hanging a 70 lbs punching bag from my garage ceiling cause damage?

Took a look in the attic above the garage to find somewhere to hang my 70 lbs punching bag. After seeing what was up there, I wasn't sure it was a good idea anymore so I was hoping to get some ...
1
vote
2answers
186 views

Replace steel suppost post with wood

We moved into a new build house with an un-finished basement. I am going to start finishing/framing the basement and 4 steel support posts that run down the center holding the beam. The main beam is 2 ...
1
vote
1answer
1k views

Ceiling mounted punching bag without compromising structure or floor above

This question is regarding the safest way of installing a heavy punching bag of 100 lbs from the basement ceiling. Above the basement ceiling is a wood floor. The goal is to sleep soundly at night ...
1
vote
2answers
653 views

Leveling a sinking 1st floor addition that is about 4' off the ground [closed]

First time home buyer looking for good advice about possibly raising a sunken 2 room addition ourselves. Wood frame, the sill is in good shape no rotting. No warping or "cupping" of the rooms. The ...
1
vote
2answers
169 views

Will supported 2x8s or unsupported 2x12s added to existing joists result in higher rigidity?

Background: I have a kitchen supported with 2x8s 16" o/c over a 13' 3" span. I want to install a 12x24 tile floor, so that much deflection is just not going to work. Question: I have 2 options I am ...
1
vote
1answer
6k views

Why are there cracks all over my upper floor ceilings and walls? [closed]

We bought a townhome in 2012 and we moved in. The walls were OK, no cracks except an oblique one near the vent in the bedroom. In the summer of 2014 the association decided to replace the roof. After ...
1
vote
1answer
4k views

cracks on both side of the bay window

my house is a typical semi detached 1930 house, there are two cracks on the both side of the bay window , they are roughly about 3-4cm wide, it was easy to filled it up with the mortar. the crack is ...
1
vote
1answer
913 views

Can I replace a floor joist cross-brace with two horizontal pieces of blocking in the same spot?

I am doing some remodeling and want to run a 6-inch HVAC (kitchen exhaust hood) duct through the floor joists. There is one section where the path is impeded by a standard floor joist cross-brace. Can ...
1
vote
1answer
39 views

Turn triple window into one bow window, structural concern?

I have a very old window probably from the beginning of this house in 1970's. Now I want to replace this old aluminum window with a bow window. my question is there are two posts of the triple window. ...
1
vote
1answer
117 views

Is it safe to drill a 6" hole into a beam or i-joist for range hood duct?

I'm installing a range hood over my island after a kitchen remodel and I ran into an issue. If I try to run the ducting alongside the joists in the ceiling I run into a beam which looks to be ...
1
vote
1answer
69 views

Are these boards above my garage structural?

I started laying out some plywood for storage above my garage, and was wondering id these 2x8's can be removed to make a flatter space. I saw someone refer to them as "catwalks", though I can't find ...
1
vote
1answer
697 views

Can you install a steel beam in timber posts?

I'm planning to remove a load bearing wall and place a 4500 beam. Steel is stronger than timber and I should be able to use a thinner steel beam than a timber beam. Does this make sense and how do I ...
1
vote
1answer
431 views

floor joists splitting at non-beam end

I'm looking for a good way to correct and arrest horizontal splitting of some floor joists where they rest on the top-plate below. The joists are 2"x8" (nominal), spaced 12" OC, and the ends away ...
1
vote
1answer
5k views

How can I safely reinforce my garage trusses to support ceiling drywall and insulation?

Recently bought a home that came with a double detached garage. The garage is older, perhaps from the 70s? It uses what looks like an early adoption of a truss framed roof. The trusses look like they ...
1
vote
1answer
14k views

How much weight can mild steel square tubing support?

I am looking to purchase a length of steel tubing with the following dimensions 1800mm x 25mm x 25mm with a wall thickness of 3mm. How much weight will be able to support at mid point if supported at ...
1
vote
1answer
578 views

Big vertical crack in brick wall and loose bricks

I cleaned off some loose plaster (which was evidently a patch) around hairline cracks and I found this. The 2 holes actually contained bricks which were glued in with plaster (I saved the bricks). ...
1
vote
1answer
6k views

Replace load bearing studs with 4x4 posts

I would like to open up our dining room to our living room, but don't want to install an LVL due to a limited budget. We decided to get creative. By simply removing the sheetrock, and using the ...
1
vote
2answers
7k views

Can I drill a small hole in a concrete beam?

I need to pass a bipolar electrical cable through a concrete beam (30cm high, 15 cm wide) (12x6 inches). The hole would need to be about 1cm (3/8"). Is it safe to drill through it? There is no wall ...
1
vote
1answer
245 views

How can house corner be supported when there's a deep cellar next to it?

There's this layout (view from above). There's a log house supported by very weak foundation raised from ground level and there's a cellar right next to the house. The cellar is about 1,8 meters deep ...
1
vote
1answer
18k views

How far apart should I space rafters for a 13ft patio?

I'm looking to build a patio roof (shed style) and need to span 13ft. I've found several span tables online, some of them with different maximum distances between the rafters. Is it ok to use 2x8s ...
1
vote
2answers
229 views

Attic was built to be living space in 1945, but are the trusses strong enough to keep doing so?

I have a Cape Cod style house that was built in 1945 with an attic as a living space. The trusses are 2x6, 16" apart, and don't span more than 15' across. Do I need to reinforce these trusses or ...
1
vote
1answer
221 views

New Window in Structural Brick House

I have an old house (built in the 1940s) that is structural brick. I want to add a small window on the wall to the upstairs to let in a bit more light. Is it possible to add a window to a structural ...
1
vote
3answers
954 views

What information do I need to size a sawn or hewn beam?

I have a load bearing wall in my house that a previous occupant decided to cut a hole in to make things feel more open. They did not add a header, much to my chagrin. I'm planning to put an exposed ...
1
vote
1answer
99 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
95 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 ...
1
vote
1answer
65 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 ...
1
vote
2answers
74 views

Cracks in new house concrete foundation

I am buying a new home. The foundation was poured in Sept 2019. The home is nearing completion but the floors have not yet been installed. I see cracks in the foundation. Most concerning are two ...
1
vote
1answer
67 views

How to connect cross bracing on rotated posts?

I'm adding X style cross bracing to an elevated playhouse to increase stability. The deck sits 8' up on joists, which are on two beams, which are on posts. Problem is, the posts are sorta in a V shape ...

1 2 3
4
5
8