Lumber strength?

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  #1  
Old 12-03-01, 10:52 AM
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Lumber strength?

I am building a sunroom. Question: excluding the cost difference, is there any disadvantage to using cedar dimensional lumber to that of spruce? Does cedar have the same 'strength'?

Also, I will be attaching the sunroom from the main wall of the house by running rafters out about 8'. The header board I put along the house will support 2x4 rafters. I have thought of using a 2x6 along the house that will be fastened into the studs of the outside wall. Can I fasten this header (maybe it is called a runner?) with 3.5" nails? Should I use lag screws?

Thanks
 
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Old 12-18-01, 01:33 PM
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I don't see anything wrong with any of the proposals you mention - but I'd check the local building code to be certain your proposal meets standard.

Personally, I would lag screw the ledge board into the existing frame.
 
  #3  
Old 12-22-01, 02:53 AM
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For your information, spruce is stronger then cedar. Use a 2x6 as your ledger board, and use lag screws. Good Luck
 
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