| Clear V.G. Heart |
 |
This is the highest bevel siding grade.
All Clear V.G. Heart grade is sawn vertical
grain (edge grain) and is kiln dried.
Pieces have a smooth face of decay-resistant
heartwood and are free from growth characteristics
that affect appearance or performance.
Pieces have excellent dimensional stability
and hold finishes exceptionally well.
Available solid wood or finger-joined.
Grading Rule Paragraph
NLGA 201a
WCLIB 106-aa |
| A Clear |
 |
This is a fine appearance grade that
allows only slightly more growth characteristics
than Clear Heart. Pieces are of mixed
grain.These mixed grain (vertical and
flat) pieces are graded from the surfaced
face.
Available solid wood or finger-joined.
Grading Rule Paragraph
NLGA 201b
WCLIB 106-a |
| Rustic |
 |
Rustic grade bevel siding is recommended
for use as sidewall covering where the
distinctive charm of a rustic saw textured
appearance is desired. This grade allows
limited characteristics that do not
detract from serviceability.
Available solid wood or finger-joined.
Grading Rule Paragraph
NLGA 201d
WCLIB N/A |
| B Clear |
 |
This grade permits slightly
more numerous and larger growth characteristics.
It is nevertheless highly serviceable
and often yields short lengths of fine
appearance from longer stock.
Grading Rule Paragraph
NLGA 201c
WCLIB 106-b
|
Knotty Grades
 |
| Select Knotty* |
 |
Knots and other natural
features define the visual character
of knotty sidings. In Select Knotty
grade, knots are sound and tight. Available
rough or dressed, kiln-dried or unseasoned
and smooth or saw textured. Some companies
may supply this grade with knots glued
on the reverse face.
Shipments of Select Knotty grade
siding usually specify a percentage
of Quality knotty grade pieces.
Grading Rule Paragraph
NLGA 205a
WCLIB 111-e |
| Quality Knotty |
 |
In this grade, natural growth characteristics
are not limited as stringently as in
Select Knotty. Cross cutting may be
required on some pieces to yield tight
knotted siding.
Grading Rule Paragraph
NLGA 205b
WCLIB 111-f
|
NLGA - National Lumber Grades Authority 
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