What is SPF in construction?

What is SPF in construction?

SPF is an acronym for spruce, pine, and fir. SPF lumber typically refers to dimensional lumber or engineered wood derived from coniferous trees in North America.

What does Prime lumber mean?

Prime Lumber is a grade description for a special product variation of two inch dimensional lumber intended for use where appearance is a consideration. For No. 2 PRIME, the grade is based upon #2 dimensional lumber characteristics except the holes, skip and wane are closely limited to provide a high-quality product.

What does BTR mean in lumber?

Better
Grades:

BTR	Better
B&B	B & Better
CON COM	Construction Common Redwood
CON HEART	Construction Heart Redwood
STD BTR	Standard & Better

What does the stamp on lumber mean?

A grade stamp is printed on lumber produced in North America, but what does it mean? Since lumber comes from a natural source, much of it has naturally occurring defects, such as large knots or splits, and these can reduce its strength.

What is SPF mean for lumber?

Spruce-Pine-Fir
The SPF we’re talking about is an acronym for “Spruce-Pine-Fir,” the species of trees that make up SPF lumber. SPF lumber can be roughly categorized into two different species in North America – East and West. In Eastern SPF wood species, there are the White Spruce, Black Spruce, Red Spruce, Jack Pine, and Balsam Fir.

What is SPF in timber?

The spruce-pine-fir (SPF) group is a mix of Engelmann Spruce, Lodgepole Pine and Subalpine Fir. SPF has a high strength-to-weight ratio and is primarily used for framing in North American housing.

What does selected lumber mean?

Select Structural Lumber This is the highest grade of lumber, used for its strength and durability. You’ll find the least number of defects in this grade of lumber.

What is SPF lumber?

SPF stands for spruce-pine-fir. The three types of wood are processed together and can be used in similar situations because they have very similar properties.

What does SEL mean in lumber?

Select
The next grade is Select, or SEL. This is a combination of FAS on one face and #1 on the other face. Select boards must be 4″ wide and 6′ long or bigger. The better face still needs to grade 83 1/3 % clear for the given area of the board, but it does not have to be as large as FAS graded lumber.

What does SP mean in lumber?

1. Dry. Ponderosa Pine. *Note the absence of “SYP”, “SP”, or other markings to indicate southern yellow pine. It is the.

What does HF mean in lumber?

The abbreviations for framing-grade softwoods, from strongest to weakest, are as follows: Doug Fir, D Fir- L: Douglas fir (L=western larch) SYP: Southern pine. Hem, Hem-fir, H-F: Hemlock or fir. S-P-F: Spruce, pine, or fir.

What is SOF lumber?

April 4, 2019 0. Spruce-pine-fir lumber, otherwise known by the acronym SPF lumber, is primarily sourced from the provinces of BC and Alberta in Western Canada. The timber is comprised from the white spruce, Engelmann spruce, lodgepole pine, and alpine fir tree species—hence, its’ name.

What is common lumber?

1 Common is a standard grade lumber with a knotty look. No. 2 Common has larger knots. It’s good for paneling and shelving.

What is utility lumber?

Utility grade lumber is the lowest grade of lumber. It is used only for light framing projects. There are few restrictions on defects, when compared to the other grades.

What does TP mean on wood?

Timber Products Inspection, Inc.
Timber Products Inspection, Inc. (TP) and its laboratories are accredited by the International Accreditation Service (IAS) and American Lumber Standard Committee (ALSC). TP’s accreditations include inspection services for both preservative treated and fire retardant treated products.

What does KD mean in lumber?

kiln-dried
You’ll get less movement with kiln-dried (KD) or surface-dry (S-DRY) lumber, which has a moisture content between 16 and 19 percent. (KD-HT means the wood was also heat treated to kill pests, a requirement for imported lumber.)

What does S4S mean in lumber?

surfaced on 4 sides
S4S stands for “surfaced on 4 sides”, meaning that the material is finished on all four sides. Dimensional lumber is commonly S4S. S4S finished lumber and dimensional lumber are labeled according to nominal size, or the size of the rough board before it was planed smooth. (For example, 1 x 6 is actually 3/4 x 5 1/2).

What does RL mean in lumber?

Random lengths
RL Random lengths. RW Random widths. RLW Random lengths and widths.

Whats SPF mean in lumber?

The SPF we’re talking about is an acronym for “Spruce-Pine-Fir,” the species of trees that make up SPF lumber. SPF lumber can be roughly categorized into two different species in North America – East and West. In Eastern SPF wood species, there are the White Spruce, Black Spruce, Red Spruce, Jack Pine, and Balsam Fir.

What does SPF lumber mean?

spruce-pine-fir
SPF stands for spruce-pine-fir. The three types of wood are processed together and can be used in similar situations because they have very similar properties.