For questions generally relating to the internal structural members of a home or other structure that form walls, ceilings and roofs, including studs, plates, headers, beams, and joists.

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15
votes
1answer
4k views

Why are 2“x4”'s really 1.5“x3.5”?

Just curious as to the reasoning, is it a spec, or is it simply 'backwards compatibility'?
12
votes
7answers
17k views

What are framing dimensions like in the metric world?

I was always curious about this. In the states we have: Lumber - Comes most commonly in 2 inch (2x4,6,8,10,12,16) and 4 inch (4x4,4x6) varieties. Plywood - Almost always 4x8 feet Drywall/...
6
votes
2answers
952 views

Frame or floor planks first?

Is it best to frame a powder room and a couple closets first, on top of plywood subfloor, or best to lay hardwood planks first then frame on top? I guess it would be fewer cuts to frame second. What ...
5
votes
2answers
22k views

Do I need to remove existing drywall before framing an interior wall?

Below is a rough diagram of the interior wall I'd like to build. The wall is in green, and the rooms are in white. The grey offset around the edges of the walls represents 3/8" drywall. My question ...
5
votes
3answers
652 views

Do the nails stick out at all when toe-nailing studs?

So I'm attempting to do the "stick framing" method of building a non-bearing wall. I've got pnumatic nailer and I'm toe-nailing nails on each side. The problem is, because of the angle the nail ...
2
votes
3answers
39k views

At a 6' span, how much can an SPF 2x4 turned on 3.5" end support?

The ends are secured, so how much load can a 6' span of SPF 2x4 support when turned on 3.5"?
1
vote
1answer
227 views

How to build a wall under duct work

So I'm trying to finish my basement. I have a conundrum as to how to build a wall under a soffit. Here's my situation - I have an HVAC duct that is running really close to the wall - like maybe 1.5" ...
17
votes
4answers
11k views

How do I find studs when stud finders won't work?

I was trying to hang my TV at my new place, on an interior wall (between living room and a bathroom). Using the stud finder on other walls worked fine, but on this wall I got some very strange ...
10
votes
2answers
5k views

When should you use metal studs?

When does it make sense to use metal framing for an interior wall? What are the advantages to traditional wood framing?
6
votes
3answers
5k views

Why should I use advanced nails instead of wood screws for strength?

Recently I found that there're some superior nails for constructing hurricane-resistant houses - with very clever design for preventing pulling the nails out and tearing the boards off when the ...
5
votes
3answers
12k views

How can I calculate the load capacity of a platform?

I'm planning to build a very basic bed frame, but I'm not sure what size lumber to use. I was thinking of building the entire thing from 2x4s (legs would be 4x4), but I'm not sure if this will be ...
4
votes
3answers
824 views

Should I be concerned that the sill plate is not lined up with the foundation?

I am in the process of building a one level home in PA. After the formed concrete walls were poured and the framing began, I noticed that on one side of the house that the sill plate was flush with ...
3
votes
1answer
5k views

What are these horizontal & diagonal 'studs' in the wall called?

My single-story house was built in the 1940s in the San Francisco Bay Area (Earthquake-country). Here is a picture of the wall with the wallboard removed. This is from my neighbour’s house (Same ...
2
votes
1answer
3k views

Which method of framing a soffit around rectangular ductwork maximizes ceiling height?

I need to put a soffit around 18"(W) x 8"(H) x 23'(L) rectangular HVAC ductwork in my basement and I am very near to the minimal code requirements for ceiling height for obstructions before adding a ...
10
votes
3answers
16k views

What is a shear wall and what is it for?

I have a wall in the middle of my house which I have been told is a shear wall. The image below is a diagram I put together real quick to show what it looks like. The grey lines on the right are ...
5
votes
1answer
3k views

Can I hang a hammock from basement joists?

My basement is what I assume is a typical setup, built in the 1970s. 2x8 joists run from the outer cinderblock wall to the center beam with an approximate 11 foot span. I'm thinking about hanging a ...
4
votes
2answers
15k views

How do you frame a wall more than 8-10 feet tall?

I am capable of framing a "simple" 8' wide 8' tall 4" thick wall out of 2x4 lumber, then attaching plywood or drywall or OSB or any other sheet material to the frame. Making the wall wider is a ...
4
votes
3answers
885 views

How do I insulate space in loft to create music studio

I have 3 DIY created rooms in my large live/work studio/artist loft. They are made with 2x4 and 2x6, framing with drywall walls and plywood ceiling. The apt has 14' 7" ceilings so we just have ...
3
votes
4answers
5k views

Framing a wall over a carpeted floor

I have a carpeted basement. There is both pad and carpet over concrete. There is a section I want to wall off and turn into a bedroom, it will not be load bearing. I would prefer not to have to ...
3
votes
3answers
269 views

Re-framing basement walls after flooding. Drain tile with no concrete?

Im getting ready to re-frame basement walls after basement flood (shocking images attached). I'll be doing this for every wall portion that can possibly flood: 1) ridgid XPS foam insulation ...
3
votes
1answer
198 views

What causes seasonal doors and how do you prevent it?

I understand that wood expands and contracts based on temperature, humidity, and other factors... However in our house the doors are really subject to seasonal changes. For instance my bedroom door ...
2
votes
2answers
6k views

Framing long walls - Lots of 8' sections or should I use longer top plates

For interior walls (bearing and non) I'm wondering what the preferred method for framing might be on long walls. For example a hallway. Should I just use normal ~8' long 2x4 as top plates and stagger ...
1
vote
2answers
2k views

What header joist sizes do I need for a loft bed?

I've decided to design and build a king-sized loft bed for our bedroom. Basically, I've got an 80" x 89" frame, 54" off the floor, covered with slats instead of plywood (see image, below). I'm sure I'...
1
vote
1answer
230 views

Do basement walls with metal framing and foam insulation require fireblocking and draftstopping?

Question: Do non-load bearing basement walls with metals framing and foam insulation (such as extruded polystyrene) in a single-family home require fireblocking and draftstopping? If so, what is the ...
1
vote
1answer
588 views

Is it possible to notch framing studs for installing conduit w/out structure collapsing?

I have a garage which is a simple structure - 4 walls, garage door, and a normal door. The structure is framed as one would expect, studs 16 inches apart. I want to put some extra wood paneling as an ...
1
vote
2answers
103 views

Where to split long walls

I'm trying to build walls for my basement, and not surprisingly, many walls are longer than 8/10/12/16ft. For many walls, I was thinking of putting up two 8' or 10' walls with the stud straddling ...
0
votes
1answer
119 views

Why are 3-1/2 (16d) nails so hard to find?

So I'm a little confused. It seems like 21 degree fullhead framing nailers are fairly standard. According to the http://codes.iccsafe.org/app/book/content/2015-I-Codes/2015%20IRC%20HTML/Chapter%...
0
votes
0answers
308 views

Can turnbuckles hold a frame in tension?

I'm building a king-sized bunk bed using a loft/joist design. Basically, I've got (see below): slats nailed into joists joists joined to headers with blind tenons headers joined to posts with blind ...
0
votes
2answers
141 views

How can I straighten twisted studs?

I have a bunch of 2x4s that are twisted and warped. Is there a way to salvage them?