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A glossary of terms |
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Quarter-sawn: |
Quarter-sawing means cutting a log radially (90-degree angle) to the growth
rings to produce a “vertical” and uniform pattern grain. This method yields fewer and
narrower boards per log than plain sawing, boosting their cost significantly. Quarter-sawn
boards are popular for decorative applications such as cabinet faces or wainscoting. They
will expand and contract less than boards sawn by other methods. |
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Reducer Strip: |
A teardrop shaped molding accessory
for hardwood flooring, normally used at doorways, but
sometimes at fireplaces and as a room divider. It is grooved
on one edge and tapered, or feathered, on the other edge.
Various lengths are available. |
| Rift-sawn: |
Rift-sawing at a 30-degree or greater angle to the growth rings produces narrow
boards with accentuated vertical or “straight” grain patterns. Rift-sawn boards are often
favored for fine furniture and other applications where matching grain is important. This
type of lumber is available in limited quantities and species. |
| Sapwood: |
The outer zone of wood in a tree, next to the bark. Sapwood is generally lighter
than heartwood. |
| Shear Strength Parallel to Grain: |
Ability to resist internal slipping of one part upon
another along the grain. Values presented are average strength in radial and tangential
shear planes. |
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Sheating: |
The structural covering, usually
boards or plywood, placed over exterior studding or rafters of
a structure. |
| Shrinkage: |
The contraction of wood fibers caused by drying below the fiber saturation point
(usually around 25-27% M.C.). Values are expressed as a percentage of the dimension of the
wood when green. |
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Slip-Toungue |
A spline or a small strip of wood or
metal used to reverse or change directions in installing in
installing standard tongue and groove strips flooring.
Sometimes used in laying 3/4" solid tongue and groove parquet.
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Softwood: |
General term used to describe lumber
produced froom needle and/or cone bearing trees (Conifers). |
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Specific Gravity: |
The relative weight of a substance compared with that of an equal volume
of water. The S.G. of wood is usually based on the green volume and oven dry weight.
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Split: |
Separation of the fibers in a piece of wood from face to face. |
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Squares: |
usually composed of an equal number of
Slats. |
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Square Edge: |
A flooring that is not Tongue &
Groove. Square edged strip flooring is face nailed when
installed. |
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Square Joint: |
Tongue & Groove strip or plank
flooring with edges that are not eased or beveled. |
| Stain: |
Materials used to impart color to wood. |
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Strip Flooring: |
Solid boards to be installed in
parallel rows now produced in these thickness 1/2", 3/4",
33/32" and these widths 1 1/2", 2", 2 1/4", and occasionally 3
1/4". The strips are tongue and grooved and end matched. They
are for nail down installation directly to wood or plywood
subfloors; or over wood screeds on concrete slab construction. |
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Stud: |
One of a series of slender wood
structural members used as supporting elements in walls and
partitions. |
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A-F G-P Q-S
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