0
votes
0answers
52 views

Why doesn't a through tenon weaken the stile?

I've been playing with load tables for wood beams in the context of framing a floor. The tables assumes uniform load, which seems valid if the joists are just sitting on the headers. But what if they ...
4
votes
4answers
1k views

Can mortise and tenon joints be strong without glue?

I'm designing a loft bed (here's a rough picture without the cross supports and other details). Right now, most joints will be mortise and tenon. I'd like to be able to take the loft down to parts, ...
1
vote
2answers
592 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 ...
1
vote
1answer
361 views

What's the height limit of a wood framed building?

Using conventional light framing construction techniques, what is the maximum height of a wood framed building (in floors above grade)? I'm looking for any limitations in current building code, and ...
5
votes
1answer
396 views

What kind of repairs are prudent for a ridge board damaged by a falling tree?

The limbs of the tree punctured the roof in at least two spots, so we're already looking at repairs. Upon closer inspection within the attic, I noticed that the ridge beam is just slightly splintered ...
3
votes
1answer
119 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 ...
4
votes
3answers
1k views

Can I use engineered I joists as studs in a wall?

Project: 3m by 6m weekend house, roof 3m high, walls 20cm insulation. Question: I want build it from lighter/thinner materials, and i want to calculate from how thick materials i can build this I ...
0
votes
1answer
472 views

Can I stack new beam to the top of old beam to extend span?

I have appropriately sized an LVL to extend a span by 3ft as well as assured the column support to the foundation at the new column. EDIT: The existing 12 ft span is carried by a 4x10, the new span ...
14
votes
1answer
2k 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'?
5
votes
3answers
3k 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 ...