| What is the difference between trusses and rafters in my attic?
Trusses are triangular wood structures in your attic. They're made of 2x4s or 2x6s, and has some braces that extend to the floor.
Rafters are 2x4s or 2x6s that support your roof with no support bracing underneath.
Generally, if you can walk around in your attic, you have rafters. If you have to crawl between some supports, you have trusses.
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| This is an example of a truss |
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| What are gable ends or gables?
Look at the shape of the truss above. A gable is the end of the attic that is shaped like that.
Insulating gables are important ONLY if you are insulating your roof.
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| What's a hip roof?
If your roof has the same slope style all the way around (i.e. you have FOUR slopes instead of TWO), you have a hip roof. If your roof listens to jazz and wears sunglasses at night, it may also be a hip roof.
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| What are floor joists?
Floor joists are the beams that support your floor. They are usually centered at 16" spaces.
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| What are ceiling joists?
It's basically a floor joist, only it's in the ceiling. Unless you have a vaulted or cathedral ceiling, you have ceiling joists.
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| What's a stud?
That's the vertical wood piece used to form the walls of your house. All studs are spaced 16" on center.
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| What's the difference between a joist and a girder?
Joist wrote "Ulysses" and Girder wrote "Faust."
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