What is DF in lumber?
Douglas Fir & Western Larch Douglas Fir (DF) is often the standard against which all other framing species are measured.
What is #1 treated lumber?
Premium Grade The lumber has the structural strength it is graded with but has fewer blemishes or knots, so a better appearance. Premium is usually #1 or #2 grade lumber. What is this? The clear appearance makes it a choice for trim, furniture, and cabinetry.
What is #1 Douglas fir?
A: A #1 Free Of Heart Center is a high-quality appearance timber. It’s the ideal balance of strength and appearance and is excellent for exposed applications. Free Of Heart Center (FOHC) means that the timber is specially cut so that there is no heart center (bulls eye) which over time leads to checking.
What is the highest grade of lumber?
FAS
FAS: (first and second grade) This stands for the highest grade of lumber. FAS grade includes some defects but is considered the premier lumber for furniture and cabinet making. #1 & #2 common: These two grades will have a fair amount of allowable defects and color variations.
What is No 2 lumber?
2 Lumber. No. 2 lumber is the most common grade for framing. Lumber of this grade contains few defects, but knots are allowed of any quality as long as they are well spaced and do not exceed the size regulations.
What is S2E wood?
Not usually allowed in most grades unless it will dress out when wood is surfaced to standard thickness. SURFACE 1 EDGE (S1E) or SURFACE 2 EDGE (S2E)-Rough or surfaced lumber dressed on one edge (SlE) or two edges (S2E). Nominal width can be 3/8 in. scant of specified width in lumber less than 8 in.
How can you tell if lumber is treated?
How can you tell if wood is treated? Pressure-treated lumber has end tags or stamps identifying the chemical used. It can have a green or brown color from the treating process. Treated wood can smell oily or chemical as opposed to a nice natural smell of untreated wood.
What are the different grades of pressure treated lumber?
Pressure treated wood is sold with the lumber grades Premium, Select, Number 1, Number 2, and Number 3. The higher the grade, the fewer the defects—that is splits or knots. In general, you will want to choose Number 2 grade boards, or higher, for decks.
What is the best grade of Douglas fir?
Although production is much greater in Douglas Fir, the two species account for more than 45 percent of all Western softwood produced annually. Each year, more than 1.5 billion tree seedlings are planted in the U.S.—some five new trees for each American.
Is there an English dictionary definition of DF?
DF synonyms, DF pronunciation, DF translation, English dictionary definition of DF. abbr. 1. Latin Defensor Fidei 2. direction finder American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin… DF – definition of DF by The Free Dictionary https://www.thefreedictionary.com/DF Printer Friendly
What does the df command mean in Linux?
The df is an acronym for disk free. The df command tells the amount of space used and available on the file system. A filesystem is nothing but a hierarchy of directories. For instance, figure 01 shows everything mounted on my Linux laptop in the root directory (/), which is the top directory in the hierarchy of directories using the tree command.
When to use DF for the absolute file name?
If an argument is the absolute file name of a disk device node containing a mounted file system, df shows the space available on that file system rather than on the file system containing the device node.
What does DF stand for in military combat?
Acronym Definition DF Distrito Federal (Spanish: Federal District) DF Data Frame DF Dairy Free DF Disk Free DF Distrito Federal (Brazil) DF Delta Force (Novalogic military combat game)