Lumber strength?


Old 12-03-01, 10:52 AM
Thread Starter
Join Date: Nov 2001
Location: canada
Posts: 120
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?

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Old 12-18-01, 01:33 PM
George's Avatar
Join Date: Dec 1999
Location: South Hill, Va. USA
Posts: 2,890
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.
Old 12-22-01, 02:53 AM
Join Date: Dec 1999
Location: South Dakota
Posts: 3,140
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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