Can be eight or eleven feet long.
In actuality, it can be as long as you want. 2x4 refers to the width and height dimensions of the plank, not the length. So I could cut a 2x4 to 2 inches long and it would be a 2 inch long 2x4.
You will need at least 13-9' 2x4's, on 16" centers, and 2-16' 2x4's for plates. (Deduct plate thickness from stud length)
28
8
20x20 = 400 2x4= 8 400/8= 50 needed
2x4's have a weight that varies based upon wood and length. With this said, the weight generally runs at about one point twenty-eight pounds per foot in length. Thus, an eight foot 2x4 would run about eleven pounds.
For 2x4 framing, it is recommended to use 3-inch long screws.
2x4-56 2x4=8 8-56= -48)
You will need at least 13-9' 2x4's, on 16" centers, and 2-16' 2x4's for plates. (Deduct plate thickness from stud length)
Yes.
2x4x20/12= 13.33 bdft.
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2x4 does not equal 7, it equals 8. 2x4=8 is a correct statement.
56
Yes, a jigsaw can cut a 2x4.
Yes, you can cut a 2x4 with a jigsaw.
A "board foot" is 1 inch thick, 12 inches wide, 12 inches long. A 12 ft 2x4 would be 8 board ft- 1/3 the width, but 2X the thickness.
The recommended 2x4 pocket hole screw size for joining wood pieces securely is typically 2 1/2 inches long.