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0
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1answer
40 views

what size of beam should I use to replace 3 2x8 that is 16 feet?

What is the equivalent of a 3 2x8, 16 feet? I would like to use one beam (for decorative effect) instead of the 2x8s since the beam will be exposed. This will go up in my dining room ceiling. If the ...
1
vote
1answer
81 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 ...
0
votes
1answer
36 views

Determine which way to place beam for maximum strength

I have a 4" x 6"-16' treated wooden beam. I am trying to determine which way the beam should be placed to provide the most strength for the decking.
0
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2answers
27 views

What size header do I need for a new garage service door?

I am going to cut out the wall in my garage under my stairs to build a small room. When I put up the door I have to use a header because it's a load bearing wall. Do I need to make the header out of ...
2
votes
2answers
248 views

Floating wall mounted office desk

I'm currently about to embark on redeveloping my home office. We have a room with a small alcove and want to mount a desk top inside it. The approx size is 220cm x 80cm We can source the wood we ...
0
votes
3answers
63 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 ...
4
votes
3answers
325 views

How can I choose the best lag screw / lag bolt?

I will be fastening Unistrut vertically along studs to facilitate garage storage, and want some guidance on choosing the "best" lag bolts to use. I want them large enough to handle hundreds of pounds ...
1
vote
1answer
46 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 ...
2
votes
0answers
48 views

Will my garage truss and beam configuration be adequate for a room in the attic?

I am getting ready to finish some of the space above the garage and have some questions. I am located in Pittsburgh, PA. The garage is sloped on both sides down to the floor. I was going to utilize ...
0
votes
3answers
113 views

replace load bearing post with steel column

So I have a joist that stops short of a stairwell and doesn’t connect to the foundation and I’m going to move the supporting beam back 2 feet (it’s about an 8 ft run between the header and other ...
1
vote
2answers
464 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 ...
0
votes
1answer
2k views

How to calculate steel beam and posts size to replace existing wood beam in terrace

I have a covered terrace that extends 10' out (West) from the house towards the yard/pool and has a width/span of 32'. The current beam is made up of (2) 2x6 in wood placed side-by-side functioning ...
1
vote
2answers
1k views

How do I prevent interior doors from sticking in the winter?

We have several interior doors that only stick or won't completely close in the winter. We also get cracks in the drywall mud above the doors so I think something else is going on besides just ...
3
votes
3answers
163 views

What is the right way to mount a support column to a deck and to a header?

Situation: I have an existing deck with a roof overhang. I'm in the process of planning a rebuild and need to detail how the columns will A: attach to the existing roof and B: to the deck. I can find ...
65
votes
12answers
29k views

Is there a case where nails are better than screws, from an engineering/structural standpoint?

Is there a case where nails are better than screws, from a structural standpoint? For instance: Say you used screws instead of nails on a backyard deck, when the design specifically called for nails. ...
2
votes
2answers
79 views

Structural cross joists and load-bearing walls (century home)

I have a friend that recently took possession of a century home. Its a 4 plex and He was told it was an old school house (at least at some point in time). We’re experienced weekend warriors but ...
1
vote
1answer
72 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 ...
2
votes
1answer
122 views

Floor joist attachment improvements in presence of existing ledger?

TL;DR: AFAIK there are no joist hangers that can be retrofit in a location where there's an existing ledger board without removing said ledger, right? Is there anything I should think about aside ...
0
votes
1answer
194 views

What's the best place to get a single steel I-beam?

I am knocking down a structural wall in my house and replacing it with a steel I-beam. Where would I get that kind of thing? I am not even sure what to google. The beam is going to be about 20' long ...
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0answers
41 views

High Tunnel truss

I am building a high tunnel. I have a 40' jig onsite to build 10 parabolic trusses. Each is built w/ 2 1x6 laminated and screwed, then a 4x4 block every 1' then 2 more 1x6's epoxied and screwed ...
0
votes
0answers
64 views

My apartment has a bouncy floor, but it's the only one

While we're waiting for an official inspection, I wanted to get some Internet experts' opinions. I live in the 3rd-floor apartment of a building with two other units below me, all with virtually the ...
0
votes
1answer
26 views

interior clear span 16' header size

Hi I am looking to clear span 16' interior load on single floor home with light storage in attic. The opening now is 12' supported by 2 2 x 10 hemlock with 3/4"cdx glued in as core. Dose this need ...
0
votes
0answers
57 views

My brick-side window frame is bent. Is it unusual and does it need to be fixed? (Picture included)

My house has a brick front. All the windows at the front have the frame bent at the bottom, pushing back the woodwork and causing cracks (pic below). Interestingly, the windows at the rear, which has ...
2
votes
1answer
232 views

Remove closet center support beam?

I have a bump-out closet in an addition. It had two sets of bi-fold doors, separated by a beam in the middle. The beam seems to bare very little load, and I'd like to remove it for one continuous ...
2
votes
1answer
94 views

What is the difference between LVL 1.9 and 2.0?

A structural engineer gave me a header design using beams made from LVL 1.9. Looking around, I'm seeing more LVL 2.0 available locally. What is the difference?
4
votes
2answers
227 views

How should I run Cat5e cable between rafters?

I've got cathedral ceilings with no attic space and 2x8 rafters. There is no space to run wiring without going through the rafters. At the moment I've got my eaves open for an unrelated problem and ...
0
votes
1answer
45 views

Can concrete demo material be used as fill behind same project?

I am demolishing the old outdoor steps at the rear of my house, built circa 1955. I have discovered that they are not constructed on the ground surface, but sit upon a concrete block structure about 4 ...
2
votes
1answer
75 views

How can I fix composite deck railing that wasn't installed with brackets?

Had a contractor install a composite railing on my deck and he did not use brackets to secure the railings he just screwed it to the posts. This was 3 years ago, it looked great at first but, over the ...
0
votes
2answers
297 views

can I remove 1 collar tie

I'd like to create a small storage space in my attic. The beam in Red is low and just gets in the way. Can I remove one of the Red beams without causing structural problems? I am willing to put ...
1
vote
1answer
80 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 ...
0
votes
2answers
160 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. ...
0
votes
1answer
105 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 ...
0
votes
0answers
39 views

Possible townhouse units shifting

I live in a 4 unit town home. The two end units are ranch homes built on a slab and have a north and south entrance. The two middle units are raised ranch units built mostly over the two end ranch ...
1
vote
0answers
94 views

Can these metal ceiling drywall joists be removed?

I recently removed the drywall ceiling from my basement with the intention to leave it as an exposed ceiling. Would I be correct in understanding that the metal ceiling joists (highlighted in blue in ...
1
vote
3answers
319 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, ...
0
votes
0answers
38 views

I want to know what the support intervals have to be for a 2 mm 5 bar aluminium plate?

I want to know what the support intervals have to be for a 2 mm 5 bar aluminium plate. It is for a walkway at my home. The dimensions of the walkway is 4 m X 1.1 m Sheet will be supported on the ...
0
votes
0answers
77 views

Building an inverted climbing wall onto a tree?

We have a cottonwood tree in our back yard with a treehouse in it, I have one vertical climbing wall on one side, but we're thinking of putting an inverted wall on the other. The tree is one large ...
1
vote
4answers
736 views

What's involved in moving a support post?

We found this house that we really like, but it needs substantial renovation for our taste. The thing that killed it for us was the crazy kitchen countertop that has been narrowed to make way for a ...
1
vote
0answers
335 views

Do I need a header for an egress window?

I am in the process of finishing a bedroom in my basement. I need to add a window to the room and the selected wall is poured concrete. I need to know if I have to add a header above the window in the ...
2
votes
1answer
105 views

Can it be appropriate to orient a 2x4 “wide side out”?

When we frame walls, we normally orient the 2x4 with the thin surface facing outward. What are the consequences of orienting the 2x4 so that the wide surface faces outward instead? Does the wood ...
1
vote
1answer
79 views

How do you build a portable lightweight frame for trees?

I have fruit trees that vary in size that need frost protection in the winter and bird protection in the summer. I have been hanging frost cloth and bird netting over the trees using the branches as ...
3
votes
1answer
156 views

Front House Posts Not Resting on Anything

I have 5 roof support posts that are supposed to be resting on concrete blocks but one of them is not even touching the concrete block and the other 4 have some separation from the concrete block. ...
1
vote
0answers
37 views

Calculating Tie Plate loading and double shear

I am considering the use of L strap ties from Strong Tie. I will be connecting two 4x4's in an L-configuration. The image at the very bottom-right corner of the below PDF illustrates exactly the ...
1
vote
0answers
140 views

Minor Crawlspace Excavation: Need permits/structural engineer?

Background: First house, built in the late 60s, bought in October 2014. Original house has crawlspace with combination cinder/concrete foundation. Master bedroom is an addition to the house with a ...
5
votes
2answers
319 views

How can I stop a porch crack from causing internal cracking?

My front porch slab has cracked and part is at least an inch lower. It is supporting the roof. Now there is a crack going up the inside of my drywall at the same place. Suggestions on how to solve ...
3
votes
1answer
806 views

How can I permanently fix a sagging floor?

I have a home I purchased roughly 18 months ago. The house is a traditional 2 story cape code (3BR 1BA) and is structurally very sound and extremely stable. However, on the primary floor of the ...
2
votes
3answers
348 views

Is it safe to shave off 1/8" from a load-bearing stud?

I am trying to install a small metal media cabinet in a load-bearing wall in my basement, but unfortunately the cabinet is about 1/8" too wide to fit between the studs. Is it safe to shave off a ...
0
votes
2answers
59 views

Looking for a practical way to find the metal posts locations in finished walls

I am looking for a practical way to find metal posts location in a finished basement walls or finished ground floor walls. I am trying to understand how my house was built. I would like to remove a ...
7
votes
2answers
16k views

What size ceiling joists and rafters should I use for a 14' span?

I'm going to build a single story addition to my home with a width of 14ft. I plan on using ceiling joists every 16" but I'm not sure which size to get. The roof will be asphalt shingles and the attic ...
2
votes
1answer
10k views

How can I calculate the yield strength of steel tube?

There's a lot of information -- and even some debates -- on which has a stronger yield strength between square and round steel tube. The majority points to square when the dimensions are equal at the ...