Questions tagged [structural]

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

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37
votes
4answers
21k views

Are there ways to determine if a wall is load bearing?

Other than looking up blue prints, which many homeowners may not have, are there ways to determine if a wall is load bearing? Methods I can think of might include: Going up in the attic to check if ...
3
votes
2answers
1k 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
1answer
207 views

Why can I feel my seven pound cat walking across floor of my home?

The house is only 9 years old. (I am the second owner) I know they settle but in the last year I can feel all movement across the floor- year ago I could barely feel anything but did notice that ...
76
votes
12answers
50k 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. ...
6
votes
3answers
22k 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 ...
14
votes
5answers
56k views

How do I improve Pergola Stability?

The deck is nearly finished but I have a small structural problem with the pergola. A left or right force near the top of the pergola (such a a tall person leaning on the post) leads to a bit of ...
11
votes
1answer
5k views

Can I raise a sagging shed roof by winching the walls back into place?

TL;DR Can I fix the sag by slowly jacking up the ridge, simultaneously tightening some steel cables attached to the top of each wall? Measuring between the top of the wall and the top of the ridge, ...
7
votes
1answer
21k views

Is my attic floor over my garage strong enough to use it for storage and maybe as a small work area?

I would like to use the attic space above my 2-car garage for storage of items around the house and garage, and if possible, utilize some of the space as a small work area. The previous owners left ...
3
votes
1answer
2k views

What is involved in enlarging a concrete garage door opening?

I have a concrete garage with an opening measuring 99" wide by 85" high. There is 10" of concrete from the door opening to the left and right walls and about 1' above. All walls are 8" thick and ...
6
votes
1answer
2k views

Should I worry about sagging joists?

I have a two story house and some of the joists between the floors are sagging about an inch or two. When I walk around upstairs I can feel the level difference and downstairs you can slightly see the ...
3
votes
3answers
8k 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 ...
2
votes
1answer
49 views

Exterior wall framing - Safe to remove 2x4 that was part of soffit/bulkhead?

I've removed all the soffits in my kitchen, however, there is one 2x4 that I have left until I could consult someone more knowledgeable. I'm thinking the 2x4 was there just to hang the drywall ...
0
votes
2answers
666 views

Roof eave missing knee brace - how to mitigate problems as snow season approaches?

Photos at the end of the post. On an old house (new to me and my partner) there are ~2' eaves extending all around the house, supported by knee braces made of 6"x6" beams and a few 2"x4"s. Inspecting ...