Technical Specifications

Updated July, 2012
See Other Side for Face
A
NS
I
/HPVA
Na
ti
on
a
l St
a
n
dar
d
fo
r #
3
B
a
c
ks
*Typical Back
Core
*Appearance will vary.
M
ad
e
in
t
he US
A
SKU: 125-1847
Grade Descripon 3
Sapwood/Heartwood Yes
Discoloraon Yes
Mineral Streaks Yes
Sound Tight Burls Yes
Maximum Number of
Tight Knots
Unlimited to 1/2
inch; No more
than 16 from ½ to
1-1/2 inch
Maximum Combined
Number of Knotholes
and Repaired Knots
Unlimited to 3/8
inch; No more
than 10 from 3/8
inch to 1 inch
Wormholes Yes
Splits or Open Joints 1 inch for one-
fourth length of
panel; 1/2 inch for
one-half length of
panel; 1/4 inch for
full length of
panel
Rough cut/ruptured
grain
Yes
Bark Pockets Yes
Laps Yes
3/4” - 4’x8’ D3 Paint Grade
Rotary Cut, Veneer Core
Hardwood Plywood
Spliced Natural Maple