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  1. #1
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    Off Topic: Building a Room

    Sorry for this post being off topic, but Everyone here always has the perfect answer and this is where I go for just about any problem. My friend just called me and they are building a small room or something and the want to know how many 2x4s it will take. There is already one wall (the one they are adding onto).. so I need to know this...

    How many 2x4s will it take for the wall that is 40 feet wide and 8 foot tall.

    How many 2x4s will it take for the wall that is 16 feet wide and 8 foot tall.

    And how many 8x4 pieces of plywood would it take to cover the floor of the room. The room will be 40x16 feet and 8 ft tall.

    Thanks for all the help!
    -Jason

  • #2
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    You already have all the information you need.

    I believe you normally place 2x4s 18 inches a part so to figure it out you would do:

    40 x 12 = 480 / 18 = 26.666, So 27. But remember you'll need more if you put any doors or windows in.

    For the floor, if the area is 640 sq feet and a sheet of plywood is 32 sq feet, it is easy to figure out, just do 640/32.

    And yes this is very off topic, unless you are building an MDF or something.
    OracleGuy

  • #3
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    don't forget to put the CAT5 into the walls for the LAN and Intranet features....

  • #4
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    Lol, thanks everyone. I'm sorry for being so off topic, but I come here for every problem I have nearly.. They should reopen a pit or something similar. But again, Thanks!

    -Jason

  • #5
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    Actually, you use 16 inch centers (spacing) for wall studs (in the U.S.) but you also need to add in the 2x4s for the top and bottom of the wall as well. Local codes may also require a double 2x4 at the top of the wall, especially if it's a load-bearing wall (as in it's going to hold up a roof). Doubled 2x4s at the ends of the wall may also be required.

    Buy a few additional 2x4s beyond what you expect you'll need, I've never worked on a project yet where there we managed to use only the exact number of 2x4s that we calculated as the minimum.
    Check out the Forum Search. It's the short path to getting great results from this forum.

  • #6
    Supreme Overlord Spookster's Avatar
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    Originally posted by Roy Sinclair
    Actually, you use 16 inch centers (spacing) for wall studs (in the U.S.) but you also need to add in the 2x4s for the top and bottom of the wall as well. Local codes may also require a double 2x4 at the top of the wall, especially if it's a load-bearing wall (as in it's going to hold up a roof). Doubled 2x4s at the ends of the wall may also be required.

    Buy a few additional 2x4s beyond what you expect you'll need, I've never worked on a project yet where there we managed to use only the exact number of 2x4s that we calculated as the minimum.
    Web Developer/Carpenter are we?
    Spookster
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    All Hail Spookster

  • #7
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    Originally posted by Roy Sinclair
    Actually, you use 16 inch centers (spacing) for wall studs (in the U.S.) but you also need to add in the 2x4s for the top and bottom of the wall as well. Local codes may also require a double 2x4 at the top of the wall, especially if it's a load-bearing wall (as in it's going to hold up a roof). Doubled 2x4s at the ends of the wall may also be required.

    Buy a few additional 2x4s beyond what you expect you'll need, I've never worked on a project yet where there we managed to use only the exact number of 2x4s that we calculated as the minimum.
    I knew I was forgetting some stuff. It isn't exactly my specialty.
    OracleGuy

  • #8
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    Originally posted by Spookster
    Web Developer/Carpenter are we?
    Had a major hail storm here back in 1992 which did extensive damage to my folks house and yard. Even the old-timers couldn't ever remember a worse hail storm. We had to replace my folks garage and all the windows on one side of their house. As a side-effect of that we also ended up doing the remodel on the house that had been talked about for years but never gotten started. Over all it took 6 years to finish so I've gained a fair bit of experience at doing rough carpentry.
    Check out the Forum Search. It's the short path to getting great results from this forum.

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    Firstly you should check with your city/town hall building Dept.

    They have all the information regarding building regulations. I believe you will need to get a permet or somthing like that to (legaly) build the room.

    I'm not too sure since different countries have different laws so I can't tell you, some regions may require an inspector to check over the place, some may not.

    Also I would suggest hitting your local book store, or librarie, heck even some web pages (because you can proably get the information about builing on your regions webpage if they have one [and proably do]).

    Good luck with the building, just be sure to plan everything before you put up drywall, it could be one heck of a mess if you don't (personal exp. I'm going through lol ).


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