I want floor trusses in my build...will have basement...i hear all the nightmares about bouncy floors and what not...how far did you span and is there any support beams?
These are spanned 28 ft with 18” deep floor trusses. No footings inside. They clear span. I would recommend an 1 1/8” thick advantech floor sheathing to stiffen the floor. I would also go 16” OC for floor trusses. That is what we have here. If you do that you should be good. The only issue with 16” OC floor trusses is that you cannot get some mini split cassettes to fit in them if they are in ceiling.
How are plumbers, electricians, and other utilities going to get through to under the floor? They can't use any outside walls I guess? That's gonna make things a big hassle.
You are right about that. There is more pre planning than a typical subfloor with a rim joist. If you drop the floor trusses down so there are no steps into the home you have to have a dedicated chase to get mechanicals through to the walls on the first floor or you can put sleeves through the stem wall and drill out the top plate above them. Interior walls are also another path to get up the walls and into the floor trusses and walls above.
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I want floor trusses in my build...will have basement...i hear all the nightmares about bouncy floors and what not...how far did you span and is there any support beams?
These are spanned 28 ft with 18” deep floor trusses. No footings inside. They clear span. I would recommend an 1 1/8” thick advantech floor sheathing to stiffen the floor. I would also go 16” OC for floor trusses. That is what we have here. If you do that you should be good. The only issue with 16” OC floor trusses is that you cannot get some mini split cassettes to fit in them if they are in ceiling.
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Happy to help! Thanks for reaching out with the question.
How are plumbers, electricians, and other utilities going to get through to under the floor? They can't use any outside walls I guess? That's gonna make things a big hassle.
You are right about that. There is more pre planning than a typical subfloor with a rim joist. If you drop the floor trusses down so there are no steps into the home you have to have a dedicated chase to get mechanicals through to the walls on the first floor or you can put sleeves through the stem wall and drill out the top plate above them. Interior walls are also another path to get up the walls and into the floor trusses and walls above.