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Stampie
Stampie MegaDork
2/13/24 5:57 p.m.

Just thinking after watching this done on YouTube.  How do you get them to please the inspectors?  Does the architect lay out the specs or do you need a structural engineer to design/certify them?

SV reX
SV reX MegaDork
2/13/24 6:02 p.m.

In reply to Stampie :

Trusses must have an engineer's stamp for permit approval. Not an architect. 
 

Stick building a roof in accordance with the code spans does not require any engineering. 

OHSCrifle
OHSCrifle UberDork
2/13/24 6:06 p.m.

Check out this guy's work and you'll never want to see trusses again.

 https://www.instagram.com/roofslayer2681

SV reX
SV reX MegaDork
2/13/24 6:10 p.m.

In reply to OHSCrifle :

Has the guy made a business of cutting roof rafters?  That's awesome!

I still cut a lot of my roofs. My crews can't ever figure out how I do it entirely from the bench without ever climbing on the roof to measure anything. I learned it long before I ever built with trusses- it's my comfort zone!

Stampie
Stampie MegaDork
2/13/24 6:16 p.m.

In reply to OHSCrifle :

That's pretty.  I'm looking at more rectangular trusses.  I'd like to do floor trusses and roof trusses but I like modern house design so I'm looking at a 28x1.5 rectangle trusses as the largest.

SV reX
SV reX MegaDork
2/13/24 6:18 p.m.

When I was with Habitat for Humanity we built our own trusses. But they were simple roofs with structural engineering done once and reused for hundreds of houses.  The cost was spread over many buildings. 
 

I think it would be a toss up if there was much cost savings for doing it for just one house. Engineers are expensive, and truss companies charge nothing for engineering.

I use trusses when I want someone else to do the math, or I want long spans, or fast installation.  Usually all 3.  Other than that, I stick build.  If I built my own trusses I'd lose the time savings. It takes a lot more man hours and hardware to build trusses than to stick build.  

SV reX
SV reX MegaDork
2/13/24 6:21 p.m.

In reply to Stampie :

Do they need to clear span the entire 28', or can there be supporting walls below?  14' is an easy span for 2x10's.

Stampie
Stampie MegaDork
2/13/24 6:25 p.m.

In reply to SV reX :

Look dude I've been nice and hinted that I don't need your advice.  When that didn't work I've been direct and told you that I don't need your advice.  WTF do you need to get a clue?

Kendall Frederick
Kendall Frederick Reader
2/13/24 6:26 p.m.

I made these from left over framing materials for a well house that I just built, thinking it'd be easier to put them up solo than framing a ridge pole and rafters solo.  I'm not sure it was, but anyway.. they aren't hard to build.  I did not permit the well house so no inspector to worry about.

Stampie
Stampie MegaDork
2/13/24 6:32 p.m.

In reply to Kendall Frederick :

On a smaller scale that's basically what I saw done.

914Driver
914Driver MegaDork
2/13/24 6:54 p.m.

What pitch do you want?  Do you need storage above?

Stampie
Stampie MegaDork
2/13/24 7:03 p.m.

In reply to 914Driver :

I'm thinking 3 or 4 /12 but a monolithic type slab for a modern look so it's not a traditional look.  No storage just space for insulation.  Here's my high quality side view drawing for you.

Slippery
Slippery PowerDork
2/13/24 7:03 p.m.

In reply to 914Driver :

I don't think he wants pitch, but rectangular trusses. Like between two floors on a house. 

Stampie, tell me to shut up if I misunderstood. 


 

Stampie
Stampie MegaDork
2/13/24 7:04 p.m.

In reply to Slippery :

You understand more than you know because I was wanting to do floor trusses also.  I'd never tell you to shut up.  I like you too much.

SV reX
SV reX MegaDork
2/13/24 7:16 p.m.

In reply to Stampie :

Friendly isn't really your strong suit, is it?

You are more than welcome in my home whenever you'd like. 

Stampie
Stampie MegaDork
2/13/24 7:24 p.m.

In reply to SV reX :

You got it.  I'm a total shiny happy person.  Everyone knows it.  Are you done because I am?  I am respectfully asking that you just ignore me and anything about me.  Hell it was easier to cut off E36 M3hole family members than it is you.  

SV reX
SV reX MegaDork
2/13/24 7:27 p.m.

In reply to Stampie :

You realize you are asking for help on a public forum, right?

More than happy to help. Have a nice day!

Stampie
Stampie MegaDork
2/13/24 7:29 p.m.

In reply to SV reX :

You too Paul.

SV reX
SV reX MegaDork
2/13/24 7:30 p.m.

...and no, I don't think you are a total shiny happy person. I think you are a really intelligent man with a ton of knowledge on many subjects, a creative thinker, and a fantastic father. 
 

Just thought you should know. 

OHSCrifle
OHSCrifle UberDork
2/13/24 9:44 p.m.

I watched some Amish guys make trusses on site - with plywood gussets and glue - about forty years ago. It was for a garage addition on a farm house. Traditional 4/12 gable truss. Good chance it had a building permit so I'm not sure how they managed that part. 

Are you in a location outside of permits and inspections? Regardless it would be possible to have a lumber yard make them or just furnish the truss design. I don't like taking things that cost people money so I'd probably just tell the lumber salesman what I need and ask how much for a truss design. Then buy the wood from him. 

Truss joinery plates are pretty simple and it wouldn't be hard to determine the connection reactions and number of nails for equivalent strength. 

Fun build. 

VolvoHeretic
VolvoHeretic Dork
2/13/24 9:58 p.m.

It's all fun and games until your roof crashes down and then the insurance companies hire the forensic engineers I worked for and they tell them who to sue. smiley

MyMiatas
MyMiatas Dork
2/13/24 10:01 p.m.

 

I dont see no trusses?? Do you see no trusses?

Rafters...

OHSCrifle
OHSCrifle UberDork
2/13/24 10:14 p.m.

In reply to MyMiatas :

I saw the same in Stampie's sketch but he also said trusses and insulation space - so I assume the sketch was very general to show a mono pitch or shed roof shape. But still a truss. 

I would be tempted stick frame rafters and use a "vented nail base insulation board" panel on top. 

Slippery
Slippery PowerDork
2/13/24 10:16 p.m.

Stampie
Stampie MegaDork
2/13/24 10:57 p.m.

In reply to Slippery :

Winner ...winner ... chicken dinner.

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